Galaxy Metal Gear 65 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Galaxy Metal Gear 65, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Galaxy Metal Gear 65 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Galaxy Metal Gear 65. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Galaxy Metal Gear 65 should contain:
- informations concerning technical data of Galaxy Metal Gear 65
- name of the manufacturer and a year of construction of the Galaxy Metal Gear 65 item
- rules of operation, control and maintenance of the Galaxy Metal Gear 65 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Galaxy Metal Gear 65 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Galaxy Metal Gear 65, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Galaxy Metal Gear service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Galaxy Metal Gear 65.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Galaxy Metal Gear 65 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Galaxy 65 User Guide Part No. 43061-02A Issue 2-0 January 13, 2004[...]

  • Page 2

    Notices The information in this document is subject to change without notice. While every effort has been made to ensure that all information in th is document is accurate, the Authors accept no liability for any errors that may arise. No part of this document may be transmitted or copied in any form, or by any means, for any purpose, without the w[...]

  • Page 3

    Contents iii Contents Preface ......................... ......................................................................................................................... ix International Standards .......................................................................................................................... ix Potential for Radio[...]

  • Page 4

    iv Galaxy 65 User Guide 1.6.6 Environment ......... ............................................................................................................ 12 1.6.7 Interfaces ................................................................................................................ ......... 13 1.6.8 Drive Carrier Module Specificat ion .[...]

  • Page 5

    Contents v 5.2 Changing the Date and Time ........ .......................................................................................... .. 43 5.3 Understanding LUNs and Viewing LUN Information ................... .............................................. 43 5.3.1 Viewing LUN Information ............ ......................................[...]

  • Page 6

    vi Galaxy 65 User Guide 7.9 Host Fibre Channel Problems ........ ......................................................................................... .. 67 7.10 Array Problems .............................. ........................................................................................... 68 7.10.1 Changing the Backoff Percent Us ing [...]

  • Page 7

    Contents vii B.3.1 Changing the Screen Display ..... .................................................................... ................ 102 B.3.2 Disk Array Administrator Menu Tree .............................................................................. 103 C Creating and Managing Arrays & Part itions ..................................[...]

  • Page 8

    viii Galaxy 65 User Guide E.3.3 Displaying the Spare Pool .......... ................................... ................................................. 171 F Managing Disk Drives and Enclosures ..................................................................................... 173 F.1 Managing Disk Drives .................... .................[...]

  • Page 9

    Contents ix Index ................................... ................................................................................................................ 229[...]

  • Page 10

    x Galaxy 65 User Guide[...]

  • Page 11

    Preface ix Preface What is in this guide This user guide gives you step-by-ste p instructions on how to install, configure and connect the Galaxy 65 storage Subsystem to your host computer sy stem, and how to use and maintain the system. Who should use this guide This user guide assumes that yo u have a working knowledge of th e Fibre Channel envir[...]

  • Page 12

    Galaxy 65 User Guide x European Regulations This equipment complies with European Regula tions EN 55022 Class A: Limits and Methods of Measurement of Radio Disturbance Characteristic s of Information Technology Equipments and EN50082-1: Generic Immunity. Safety All plug-in modules are part of the fire enclosure and must only be removed when a repla[...]

  • Page 13

    Preface xi • The Galaxy 65 unit must only be operated from a power supply in put voltage range of 100 -120VAC or 200-240 VAC. • The plug on the power supply cord is used as the main disconnect device. Ensure that the socket outlets are located near the equipm ent and are easily accessible. • This equipment is intended to operate with two work[...]

  • Page 14

    Galaxy 65 User Guide xii • Provide a suitable power source with electrical overload protection to meet the requirements laid down in the technical specification. • A faulty power supply/cooling m odule must be replaced with a fu lly operational module within 24 hours. Warning Do not remove covers from the power supply un it. Danger of electric [...]

  • Page 15

    Preface xiii Rack System Precautions The following safety requirement s must be considered when the unit is mounted in a rack. • The rack design should incorporate stabilizing features suitable to prevent the rack from tipping or being pushed over during installation or in normal use. • When loading a rack with the unit s, fill the rack from th[...]

  • Page 16

    Galaxy 65 User Guide xiv Data Security • Power down your host computer and all attached peripheral devices before beginning installation. • Each enclosure contains up to 16 removable disk dr ive modules. Disk units ar e fragile. Handle them with care, and keep them away from strong magnetic fields. • All the supplied plug-in modules and blank[...]

  • Page 17

    Preface xv Conventions This Getting Started guide uses several conven tions to help explain how to use the X24. Convention Definition Bold Words in bold indicate items to select such as menu items or command buttons. CTRL-R Keys you press simultaneously. In this example, hold down the Ctrl key and press the r key. MB The abbreviation MB is used for[...]

  • Page 18

    Galaxy 65 User Guide xvi Revision History Version Date Description of Change Issue 1.0 June, 2003 Initial (Beta) Release Issue 2.0 January, 2004 Chapter 1, Page 14 amended: Section 1.6.10: “(planned)” deleted .[...]

  • Page 19

    Preface xvii[...]

  • Page 20

    Galaxy 65 User Guide xviii[...]

  • Page 21

    Introduction 1 Chapter 1 Introduction 1.1 The Galaxy 65 System . Figure 1–1 The Galaxy 65 (FC-AL) System[...]

  • Page 22

    Galaxy 65 User Guide 2 1.2 The Enclosure Core Product The Galaxy 65 design concept is based on a Subs ystem together with a set of plug-in modules. The Galaxy 65 Subsystem as supplied comprises: • Chassis and Backplane with integral Operators Panel. • Power Supply/Cooling plug-in modul es, auto-ranging, 475W, AC (see Figure 1–5 ) • FC-AL Dr[...]

  • Page 23

    Introduction 3 1.2.2 T ower Option An optional tower kit is available, which can be fitted to the rack chassis described here. . Figure 1–3 Galaxy 65 Enclosure Chassis (Rear) Figure 1–4 Galaxy 65 T ower Option[...]

  • Page 24

    Galaxy 65 User Guide 4 1.3 The Plug-in Modules A Galaxy 65 Enclosure requires one or more of the following modules for normal operation: 1.3.1 Power Supply/Cooling Module Two Power Supply/Cooling modules ( Figure 1–5 ) are supplied mounted in the rear of the enclosure as part of the Subsystem core product. . PSU voltage operating ranges are nomin[...]

  • Page 25

    Introduction 5 1.3.1.1 Multiple Power Supply/Cooling Modules The Galaxy 65 system must always be operated with two Power Supply/Cooling modules fitted. The two Power Supply/Cooling modules operate together so that if one fails the other maintains the power supply and cooling while you r eplace the faulty unit. Module replacement should only take a [...]

  • Page 26

    Galaxy 65 User Guide 6 Caution All mandatory settings must be ob served in order for t he Galaxy 65 system to function correctly. Note To set Host 1Gb use the Ethe rnet connected configurator. 1.3.3 Loop Resiliency Circuit Input/Output Module (FC-AL) The Galaxy 65 storage Subsystem includes an enclosu re with rear facing bays which house two Loop R[...]

  • Page 27

    Introduction 7 • Expansion Port 1 Rx Good (Green) • ESI/LRC module fault LED (Amber) • Cache Active (Green) • RAID Controller Activity – Ready (Green) – Host Activity of either host channels (Flash off) • Battery Fault (Amber) Important Fitting of a RAID controller to the LRC module is a factory only operation. Figure 1–7 LRC Panel [...]

  • Page 28

    Galaxy 65 User Guide 8 Warning Do not attempt to lift the enclosur e by means of the extended SM module .. Figure 1–8 Galaxy 65 LRC (Storage Manager) I/O Module Figure 1–9 Galaxy 65 Enclosure with Storage Manager Modules and PSUs Installed[...]

  • Page 29

    Introduction 9 The Storage Manager module operates at 1 or 2 Gb. • Two external ports for expansion to furt her enclosures are prov ided by SFP connectors • Two external ports to the host controllers are provided from SM module all Form Factor (SFP) GBIC modules, auto-bypass at the output ports is provided. • An RJ45 10/100 Base T Ethernet co[...]

  • Page 30

    Galaxy 65 User Guide 10 1.3.4.1 Drive Status Indicators Each drive carrier incorporates two indicators, an upper (Green) and lo wer (Amber). In normal operation the green indicator will be ON and will flicker as the drive operates. 1.3.4.2 Anti-tamper Locks Anti-tamper locks are fitted in the drive carrier handles ( Figure 1–11 ) and are provided[...]

  • Page 31

    Introduction 11 1.5 Installing your Galaxy 65 Subsystem Please refer to the Galaxy 65 Getting Starte d Manual (P/N 44521-01A ) for information on how to install your Galaxy 65 Enclosure and plug-in modules into an industry standard 19 inch rack cabinet. 1.6 Galaxy 65 T echnical Specification 1.6.1 Dimensions Rack Enclosure Height 134mm, Width 446mm[...]

  • Page 32

    Galaxy 65 User Guide 12 1.6.4 PSU Safety and EMC Compliance 1.6.5 Power Cord (minimum requirements) 1.6.6 Environment Safety Compliance UL 60950 IEC 60950 EN 60950 EMC Compliance CFR47 Part 15B Class A EN55022 EN55024 Cord Type SV 0r SVT, 18 AWG minimum, 3 conductor Plug 250V, 10A Socket IEC 320 C-14, 250V, 15A Table 1–2 Ambient Temperature and H[...]

  • Page 33

    Introduction 13 1.6.7 Interfaces 1.6.8 Drive Carrier Module Specification Please contact your supplier for details of approved drives. Important Operating the Galaxy 65 Subsystem with non-approved drives ma y invalidate the warranty. Acoustics Less than 6.0 B LwA - operating at 20°C Orientation & Mounting 19" Rack mount (3EIA Units) • R[...]

  • Page 34

    Galaxy 65 User Guide 14 1.6.9 Galaxy 65 FC-AL LRC I/O Module Specification 1.6.10 RAID Card 1.6.1 1 Software Enclosure Services (SES) Support The enclosure has a sophisticated self-monitoring and reporting functi on which conforms to ANSI SES specifications.This reports on such topics as: – Enclosure temperature – Fan speed – Drive condition [...]

  • Page 35

    Operation 15 Chapter 2 Operation 2.1 Before Y ou Begin Before powering up your Galaxy 65 enclosure please ensu re that all the modules ar e firmly seated in their correct bays. 2.2 Power On Do not operate the Subsystem until the ambient temp erature is within the specified operating range. If the drives have been recently installed ensure they have[...]

  • Page 36

    Galaxy 65 User Guide 16 2.2.1 Power Supply/Cooling Module LEDs The Power Supply/Cooling module incorporates 4 LE Ds, located below the On/Off switch and shown in Table 2–1 . • Under Normal conditions the LEDs should all be illuminated constant GREEN • If a problem is detected the color of the relevant LED will change to AMBER. 2.3 Ops Panel L[...]

  • Page 37

    Operation 17 Please refer to Chapter 7, ”Troubleshooting an d Problem Solving”, on page 59 for details of any fault indication. Table 2–2 Ops Panel LED States Ops Panel LEDs Other Associated LEDs or Alarm State Description Power (Green) PSU/ Cooling/ Temp (Amber) System (Amber) Address Mode Error (Amber) FC- Galaxy 65 Loop Speed On Off Off Of[...]

  • Page 38

    Galaxy 65 User Guide 18 2.4 Starting the Drives All drives in the enclosure should automatically start their motors. If th is has not occurred there may be a power problem (an alarm and power fault indication wo uld normally be active). if there is only one Power Supply/Cooling Module present, the drive mo tors will spin up in a delayed sequence. 2[...]

  • Page 39

    RAID Management 19 Chapter 3 Galaxy 65 RAID Management 3.1 Managing Arrays and Partitions Using SAM Using SAM, you can manage arrays and partitions. Yo u can perform the following array-related functions: • Manage arrays (see page 20 ) – View array and drive status (see page 20 ) – View and reset array statistics (see page 21 ) – Verify an [...]

  • Page 40

    Galaxy 65 User Guide 20 – Expanding array capacity • Partitions – Adding a partition – Expanding a partition • Managing spares 3.2 Managing Arrays SAM lets you manage your arrays in a variety of ways. You can: • View array and drive status (see page 20 ) • View and reset array statistics (see page 21 ) • Verify an array (see page 22[...]

  • Page 41

    RAID Management 21 • Manage Galaxy 65 Subsystem > Disk Array Config —includes array status information for the selected array. • Manage Galaxy 65 Subsystem > Disk Array Config > Disk Drive Status —includes disk drive status information for the selected array. 3.3.1 Viewing Array and Partition Statistics You can view the current arr[...]

  • Page 42

    Galaxy 65 User Guide 22 • I/O Size Note Resetting statistics here resets all st atistics for the Galaxy 65 Subsystem. You may want to reset the statistics if you are mo nitoring performance. You may also want to reset statistics when you change how you are using a partition. Note You cannot reset the queue depth value. It always reflects the curr[...]

  • Page 43

    RAID Management 23 1 From SAM, select Manage Galaxy 65 Subsystem > Disk Ar ray Config > Abort an Array Utility . The Abort an Array Utility page displays with a li st of existing arrays. 2 Select the array you want. 3 Click Abort Array Verification . 3.3.3 Changing Array Ownership You can change the ownership of any array betwe en the SMs. Wh[...]

  • Page 44

    Galaxy 65 User Guide 24 3.3.5 T rusting an Array You can use the Trust Array function to bring an array back online by re synchronizing the time and date stamp and any other metadata on a bad disk. This make s the disk an active member of the array again. You might need to do this when: • One or more disks of an array star t up more slowly or wer[...]

  • Page 45

    RAID Management 25 2 Select the array you want to delete. 3 Click Delete This Array . The system asks you to confirm the deletion. 4 Click OK . 3.4 Managing Partitions The SAM software lets you manage partit ions in a variety of ways. You can: • View partition status information (see page 25 ) • Change a partition name (see page 25 ) • Change[...]

  • Page 46

    Galaxy 65 User Guide 26 1 From SAM, select Manage Galaxy 65 Subsystem > LUN Ma nagement > Change Partition Name . The Change Partition Name page displays with a list of all existing arrays. 2 In the Select an Array to View LUN Information panel, select the array whose partition you want to rename. 3 In the Partition Menu panel, select the cur[...]

  • Page 47

    RAID Management 27 3.4.4 Controlling Partition Access The Galaxy 65 Subsystem’s InfoShield capability lets you specify whic h hosts can access each partition. This gives you complete control of arra y access based on your specific needs. Figure 3–1 shows an example of how you can use InfoShield. Figure 3–1 InfoShield example Before you set up[...]

  • Page 48

    Galaxy 65 User Guide 28 retain the information after you restart the Gala xy 65 Subsystem unless you have given the host a nickname. The list includes the last 64 hosts that started or that you gave a nickname. You can determine which WWN is for which host by st arting one host at a time or scanning for devices from a host, then viewing the WWN lis[...]

  • Page 49

    RAID Management 29 3.4.4.3 Configuring InfoShield Once you set up host nicknames, you can easily set up your InfoShield. This is where you determine which hosts can access each partition LUN. You set up InfoShield by either excluding or including hosts on a list for each pa rtition LUN. The list can include or exclude up to 64 specific ho sts or al[...]

  • Page 50

    Galaxy 65 User Guide 30 5 If you selected Include Listed Hosts or E xclude Listed Hosts , you must create a host list. All hosts already on an include or exclude this for the partition are listed in the Host Table for Array panel. You can change a host nickname or delete a host from the list. To add a host that is already on the global host list, s[...]

  • Page 51

    RAID Management 31 4 In the Partition Read Ahead Size panel, select the size you want. The current size displays in the dr op-down list with ** next to it. 5 Click Set Read Ahead Cache Size . 3.4.6 Deleting a Partition You can delete a partition when you no longer need it and you want to use the space for another purpose. Caution Deleting a partiti[...]

  • Page 52

    Galaxy 65 User Guide 32[...]

  • Page 53

    System Status 33 Chapter 4 System Status 4.1 Monitoring System Status Using SAM You should monitor your system regu larly to ensure that the Galaxy 65 Subsystem, disk drives, and arrays are working properly. The Ga laxy 65 Subsystem and SAM let you monitor the status several ways: • Remote notification (see page 33 ) • All log information (see [...]

  • Page 54

    Galaxy 65 User Guide 34 4.2.1 Starting and Stopping Remote Notification You can start or stop remote notification at any time. If you start remote notification, be sure to select event categories or specific events to monitor. To start or stop remote notification: 1 From SAM, select Manage Galaxy 65 Subsystem > Remote Configuration > Events t[...]

  • Page 55

    System Status 35 1 From SAM, select Manage Galaxy 65 Subsystem > Remote Configuration > E-mail Configuration . The E-mail Configur ation page displays. 2 Enter the following information: • E-Mail Address 1 through 4: Enter up to four e-mail addr esses you want to receive notification of Galaxy 65 Subsystem events. Enter the addr esses in th[...]

  • Page 56

    Galaxy 65 User Guide 36 5 Click Download Selected Logs to File to save the logs to a file on the host system or anywhere accessible on your network. 6 When the File Download window displays, se lect “Save this file to disk” and click OK . 7 Navigate to where you want to save th e file, enter the file name, and click Save . The Download Complete[...]

  • Page 57

    System Status 37 4.4.1 Resetting the All Statistics You can reset the following statistics to zero: •R e a d •W r i t e •S e c R d •S e c W t • I/O Size Note Resetting statistics here resets all st atistics for the Galaxy 65 Subsystem. You may want to reset the statistics if you are moni toring performance. You may also want to reset stat[...]

  • Page 58

    Galaxy 65 User Guide 38[...]

  • Page 59

    System Configuration 39 Chapter 5 Configuring the Galaxy 65 System SAM lets you configure settings and perform a variety of functions on the Gala xy 65 Subsystem. You can: • Configure the LAN-related settings ( page 40 ) • Change the date and time (see page 43 ) • View LUN information (see page 43 ) • Change management LUNs (see page 44 ) ?[...]

  • Page 60

    Galaxy 65 User Guide 40 5.1 Configuring the LAN-related Settings You can configure several LAN-related settings for the Galaxy 65 Subsystem: • IP settings (refer to the Galaxy 65 Subsystem Getting Started Guide) • Telnet settings (see page 40 ) • SNMP settings (see page 40 ) • System information (see page 41 ) • Passwords (see page 41 ) ?[...]

  • Page 61

    System Configuration 41 5.1.3 Configuring the System Information You can set four system information settings: • System Name : Name of the Galaxy 65 S ubsystem as seen by other sys tems on the LAN. You can enter up to 74 characters. The default is Uninitialized Name. • System Contact : Name of a contact person responsibl e for the Galaxy 65 Sub[...]

  • Page 62

    Galaxy 65 User Guide 42 To set SAM passwords: 1 From SAM, select Manage Galaxy 65 Subsystem > Gene ral Config > Passwords/Security . The Passwords/Security page displays. 2 In the Password Configuration panel, enter the passwords you want. 3 Click Change . 5.1.5 Configuring the Security Options You can enable or disable the following LAN-rela[...]

  • Page 63

    System Configuration 43 5.2 Changing the Date and T ime You can change the Galaxy 65 Subsystem’s date and time. To set the Galaxy 65 Subsystem’s date and time: 1 From SAM, select Manage Galaxy 65 Subsystem > General Config > Set Date/Time . The Set Date/Time page displays. 2 In the Set Galaxy 65 Subsystem System Date panel, select the m o[...]

  • Page 64

    Galaxy 65 User Guide 44 5.3.1 Viewing LUN Information You can view information for each existing LUN. To view LUN information: 1 From SAM, select Monitor Galaxy 65 Subsystem > Status > LUN Information . The LUN Information page displays listing each exis ting LUN along with the node WWN, array name, and partition name. 5.4 Changing Management[...]

  • Page 65

    System Configuration 45 Subsystem will not function. You mu st resolve the problem and restart the Galaxy 65 Subsystem. If the problem is not resolved, it will shut down again. Alarm conditions trigger an event message that disp lays in the event log. Table 5–1 shows the temperature and volt age thresholds for each alarm an d how to resolve the p[...]

  • Page 66

    Galaxy 65 User Guide 46 5.7 Enabling and Disabling the Battery If you are not using a battery in your Galaxy 65 Su bsystem, the Galaxy 65 Subs ystem will sound an alarm. To eliminate the alarm, you can disable the battery. The default setting is battery enabled. Notes 1 You should only disable the battery if you are running the Galaxy 65 Subsystem [...]

  • Page 67

    System Configuration 47 5.9 Rescanning All Ports You can tell the Galaxy 65 Subsystem to scan all disk ports for new or removed disk drives. You can use this option when you install or remove disk drives. The rescan temporaril y pauses all I/O processes, then resumes normal operation. If you are using an enclosure with an EMP, the Galaxy 65 Subsyst[...]

  • Page 68

    Galaxy 65 User Guide 48 5.1 1 Saving and Restoring a Configuration File You can save all of your Galaxy 65 Subsystem confi guration settings to a file and restore that file. 5.1 1.1 Saving a Configuration File You can save all of your Galaxy 65 Subsystem confi guration settings to a file . This lets you make a backup of your settings. The configura[...]

  • Page 69

    System Configuration 49 1 From SAM, select Manage Galaxy 65 Subsyste m > Utilities > Configuration Utilities > Restore Config File . The Restore Config File page displays. 2 Select the option you want: • Use Current IP Addresses : Restores the configuration file to the Galaxy 65 Subsystem that SAM is currently connected to and retains th[...]

  • Page 70

    Galaxy 65 User Guide 50 5.12 V iewing and Restoring Default Settings You can view and restore all of the Galaxy 65 Subsystem’s default settings. 5.12.1 Viewing Default Settings You can view the Galaxy 65 Subsystem’s defaul t settings as well as the current settings. To view the default settings: • From SAM, select Manage Galaxy 65 Subsystem &[...]

  • Page 71

    System Configuration 51 5.13 Updating Software You can update the Galaxy 65 Subsystem software from SAM using a software pa ckage file. Information regarding the latest release of so ftware and software package files ar e available from your supplier. SAM automatically updates only those ty pes of software that require updating. Note You should alw[...]

  • Page 72

    Galaxy 65 User Guide 52[...]

  • Page 73

    Drive & Eclosure Management 53 Chapter 6 Managing Disk Drives & Enclosures SAM lets you control a variety of functions relate d to devices and enclosur e management processor (EMP) enclosures connected to your Galaxy 65 Subsystem. • For devices, you can: – Display device information (see page 53 ) – Clear metadata from a disk drive (s[...]

  • Page 74

    Galaxy 65 User Guide 54 6.1.1.1 Displaying All Devices You can display a list of all connected devices. For more information about the fields that display for each device, click Page Help near the bottom of the page. Disk drives that are not members of any array are listed as Available. Drives that contain leftover metadata from a previous array ar[...]

  • Page 75

    Drive & Eclosure Management 55 6.1.3 Enabling and Disabling Write-back Cache You can control the write-back cache setting for all of your disk drives at once. Changes take effect after the next rescan or restart. This can be set to Enable, Disable, or Don’t Modify (which means the Galaxy 65 Subsystem should not change any disk drive’s write[...]

  • Page 76

    Galaxy 65 User Guide 56 When you enable SMART, the SMART events are record ed in the event log, which lets you monitor your disk drives or analyze why a disk drive failed. For mo re information about the event log, refer to the X24 Subsystem Getting Started Guide. On most disk drives, SMART is disabled by default by the manufacturer. To enable or d[...]

  • Page 77

    Drive & Eclosure Management 57 Before you can use the disk drive agai n, you must clear its metadata. See Appendix F section 6.1.2, ”Clearing Metadata from a Disk Drive”, on page 54 . 6.1.8 T esting a Disk Drive This function issues a Test Unit Ready (TUR) command to the selected disk drive. This just tells you that the disk drive can respo[...]

  • Page 78

    Galaxy 65 User Guide 58 You can also set it to NONE, which tells the Galaxy 65 Subsystem not to present a LUN for this EMP under the Galaxy 65 Subsystem’s target ID. You can set LUNs for EMPs that you plan to add by assigning a LUN to the EMP ID you want to use. The Galaxy 65 Subsystem assigns EMP IDs se quentially each time it starts. Note EMP L[...]

  • Page 79

    Galaxy 65 Troubleshooting 59 Chapter 7 T roubleshooting and Problem Solving 7.1 Overview The Galaxy 65 Enclosure includes a processor and asso ciated monitoring and c ontrol logic to enable it to diagnose problems within the enclosur e’s power, cooling and drive systems. The Enclosure Services Processor is housed along with the Ops Panel in the r[...]

  • Page 80

    Galaxy 65 User Guide 60 2 Check the Drive Select ID settings on your Ga laxy 65 Subsystem and on your system host. 3 Check that the LEDs on all installe d drive carrier modules are illuminated Green. Note that the drive LEDs will not be lit du ring drive spinup. 4 Check that all drive ca rrier modules have be en correctly installed. 5 Check that th[...]

  • Page 81

    Galaxy 65 Troubleshooting 61 Warning Whenever replacing a module NE VER leave an EMPTY space in the rear of the enclosure, obtain a replacement before removing the problem part. 7.3 Audible Alarm The Ops Panel also includes an Audi ble Alarm which indicates when a faul t state is present. The following conditions will activate the Audible Alarm: ?[...]

  • Page 82

    Galaxy 65 User Guide 62 7.4 T roubleshooting The following sections describe common problems, with possible solutions, which can occur with your Galaxy 65 system Table 7–2 Ops Panel LED States Ops Panel LEDs Other Associated LEDs or Alarm State Description Power (Green) PSU/ Cooling/ Temp (Amber) System (Amber) Address Mode Error (Amber) FC- Gala[...]

  • Page 83

    Galaxy 65 Troubleshooting 63 7.4.1 System Faults 7.4.2 Power Supply/Cooling Faults Symptom Cause Action 1 The SYSTEM LED will illuminate AMBER on the LRC 2 Audible Alarm sound The ESI processor has detected an internal fault (e.g. failure of an internal communications path) 1 Check for other AMBER LED indications on the Power Supply/Cooling modules[...]

  • Page 84

    Galaxy 65 User Guide 64 7.4.3 Thermal Control The Galaxy 65 Enclosure uses ext ensive thermal monitoring and takes a number of actions to ensure component temperatures are kept low a nd also to minimize acoustic noise.Air flow is from front to rear of the enclosure. Symptom Cause Action If the ambient air is cool (below 25 °C) and the fans are obs[...]

  • Page 85

    Galaxy 65 Troubleshooting 65 7.4.4 Thermal Alarm 7.5 Drive Carrier Module Faults Disk drive status is monitored by a Green LED and an Amber LED mounted on the front of each Drive Carrier Module, providing the following indications: Drive activity - LED may be off for a length of time during power up. 7.5.1 Dummy Carrier Modules Dummy Carrier module[...]

  • Page 86

    Galaxy 65 User Guide 66 7.5.2 Auto Start Failure Unless otherwise selected at installation time, all dr ives in the enclosure shoul d automatically start their motors after power is applied. If this has not occurred there is a powe r problem (An alarm and power fault indication would normally be active). Note The SYSTEM LED will flash Green/Amber. [...]

  • Page 87

    Galaxy 65 Troubleshooting 67 Problem: SAM pages do not display properly. • Be sure that your system meets the system requi rements described in th e Galaxy 65 Subsystem Getting Started Guide. • Configure your browser according to the informat ion in the Galaxy 65 Subsystem Getting Started Guide. •C l i c k Refresh or Reload in your browser to[...]

  • Page 88

    Galaxy 65 User Guide 68 7.10 Array Problems Problem: Array is much smaller than it should be. The backoff percent may be set high er than 1%, which is causing the ar ray to be much smaller than the full size of its member disks. Note We strongly recommend that you leave the backoff percent at 1%. Setting the backoff percent “backs of f” or redu[...]

  • Page 89

    Galaxy 65 Troubleshooting 69 7.1 1 Galaxy 65 Subsystem Problems Problem: The Storage Manager module ’s STATUS LED does not turn on. Check that the SM module is properly seated in the slot and the handles are closed and locked. Check for events in SAM and the RS-232 interface (Disk Array Administrator) for power-on initialization and diagnostics e[...]

  • Page 90

    Galaxy 65 User Guide 70 2 With the PSU handle ( Figure 7–3 ) in the open position, slide the module into the enclosure 3 Cam the module home by manually closing the PSU handle (see Figure 7–4 ). A click should be heard as the handle latches engage (see Figure 7–2 ). 4 Connect the power supply cord to the powe r source and switch the power sup[...]

  • Page 91

    Galaxy 65 Troubleshooting 71 Figure 7–3 Removing a Power Supply/Cooling Module (2) Figure 7–4 Removing a Power Supply/Cooling Module (3)[...]

  • Page 92

    Galaxy 65 User Guide 72 7.12.2 Ops Panel The Ops Panel is an integral part of the enclosure chassis assembly and can only be replaced by trained personnel. 7.12.3 Storage Manager Module Please refer to the Galaxy 65 Getti ng Started Manual (P/N 44521-01A) fo r full information on installing the Storage Manager module. Important Fitting of a RAID co[...]

  • Page 93

    Galaxy 65 Troubleshooting 73 7.12.3.2 Inserting the Module 1 With the latch in the open positi on, slide the LRC module into the enclosure until the latch engages automatically. 2 Cam the module home by manuall y closing the latches (see Figure 7–7 ). 3 A click should be heard as the latch engages. Figure 7–6 Removing a Storage Manager Module ([...]

  • Page 94

    Galaxy 65 User Guide 74 7.12.4 Insertion/Removal of SFP Modules The LRC Module is fitted with four Small Form Factor (SFP) GBIC modules . Replacement of these modules should be performed in acco rdance with the following procedure: 1 Press down firmly on the removal ta b located at the bottom of the cable. 2 Remove the module by firmly gripping eac[...]

  • Page 95

    Galaxy 65 Troubleshooting 75 7.12.6 Drive Carrier Module Please see the Galaxy 65 Getting Started Manual (P/N 44521-01A) for information on the initial installation of the plug-in modul es in the Galaxy 65 enclosure. Warning Observe all conventional ESD precautions wh en handling Galaxy 65 modules and components. Avoid contact with backplane compon[...]

  • Page 96

    Galaxy 65 User Guide 76 Problem: Galaxy 65 Subsystem failed the onboard memory test. When this failure occurs, it means the internal CPU memory failed. Contact your supplier for a replacement. Problem: System hangs at Loading Bridge during BFLU Loader Menu. Update the software to ensure you are using the latest version. See section 5.13, ”Updatin[...]

  • Page 97

    Galaxy 65 Troubleshooting 77 The probable cause of this problem is a bad RS-232 ca ble connection or swapped transmit/receive lines. If the cable is properly con nected on both ends, try a null modem adapter that will reverse the RS-232 transmit and receive signals. Th e need for a null modem adapter dep ends on the RS-232 cable you are using. Prob[...]

  • Page 98

    Galaxy 65 User Guide 78 7.15.1 W arnings Warning events let you know that something relat ed to the Galaxy 65 Subsystem or an array has a problem. You should correct the problem as soon as possible. Table 7–4 defines each warning event and recommends the action you should take. Table 7–4 Warning events Event Definition Recommended Action ARRAY [...]

  • Page 99

    Galaxy 65 Troubleshooting 79 OTHER WWN UNKNOWN The host Fibre Channel World Wide Names (node and port) previously presented by the other SM module (which is currently offline) in this system are unknown. This event has two possible causes: The online SM module reporting the event was replaced or moved while the system was powered off. The online SM[...]

  • Page 100

    Galaxy 65 User Guide 80 7.15.2 Errors Error events let you know that something related to th e Galaxy 65 Subsystem, modu le, or disk drives has failed and requires im mediate attention. Table 7–5 defines each error even t and recommends the action you should take. SYS OFFLINE FAIL The system attempted to use Put Offline on an SM, but the request [...]

  • Page 101

    Galaxy 65 Troubleshooting 81 7.16 Setting Up and V iewing the Debug Log You can set up additional logging when instructed by Rorke’s technical support personnel. 7.16.1 Summary of Debug Log Capabilities • Single controller debug information: available from the Disk Array Administrator via the serial port on each controller module. Because of th[...]

  • Page 102

    Galaxy 65 User Guide 82 7.16.2.1 SAM: Manage/Utilities/Debug Uti lities/Save Debug Logs/Save Log Files 1 You may optionally enter contact information, which wi ll be included in the log information file. By doing so, your contact information and comments will help create a unique document that may be used to identify the issue and origin when these[...]

  • Page 103

    Galaxy 65 Troubleshooting 83 7.16.4 Using SAM to Set Up and View the Debug Log You can select additional events , which are not normally logged, for the debug log. Under normal conditions, you should not have any of the events select ed. The additional events have a slight effect on read and write performance. You can also save the debug log to a f[...]

  • Page 104

    Galaxy 65 User Guide 84 7.18 Using the Loader Utility Menu If you have any diagnostic errors, contact Rorke technical support. 7.19 Understanding Disk-related Errors The event log includes errors report ed by EMPs and disk drives on your system. If you see these errors in the event log, the information bel ow may assist you. For more inform ation a[...]

  • Page 105

    Galaxy 65 Troubleshooting 85 7.19.2 Disk Channel Errors Disk channel errors are similar to disk-detected errors, except they are detected by the Galaxy 65 Subsystem, instead of the di sk drive. Some disk channel errors are displayed as text strings, others are displayed as hexadecimal codes. Table 7–8 lists the error code descriptions. Most disk [...]

  • Page 106

    Galaxy 65 User Guide 86 7.19.3 V oltage and T emperature Errors and W arnings Most voltage and temperature errors and warnings relate to the Power Supp ly/Cooling modules. Check the following to resolve these errors or warnings: 1 Check that all of the fans are work ing by making sure all of the Gala xy 65 Subsystem’s LEDs are green or using the [...]

  • Page 107

    Galaxy 65 Troubleshooting 87 7.21 Spare Parts and Ancillary Items The following replaceable parts are av ailable for the Galaxy 65 Subsystem: 7.22 Upgrading Y our LRC I/O Modules You can upgrade your existing JBOD or RAID LRC module to a Rorke Da ta Galaxy 65 RAID LRC module in accordance with the following procedure: Caution Ensure that your Power[...]

  • Page 108

    Galaxy 65 User Guide 88 Caution All mandatory settings must be ob served in order for t he Galaxy 65 system to function correctly. Note To set Host 1Gb use the Ethe rnet connected configurator. Table 7–9 Ops Panel Switch Functions (Default settings for Galaxy 65 LRC usage at 2Gb/s) Switch Number Function Recommended Setting Definition 1 Loop Sele[...]

  • Page 109

    Array Basics 89 Appendix A Array Basics Gal axy 65 RAID controllers let y ou set up and manage disk arrays. A disk array (array) is a group of disks that appears to the system as a single virtual disk. This is accomplished through software resident in the RAID controller. RAID (Redundant Array of Independent Disks) refers to disk arrays in which pa[...]

  • Page 110

    Galaxy 65 User Guide 90 A.1 Array T ypes Array types are defined by their RA ID level, a number from 0 through 5 (a higher RAID level does not necessarily indicate a higher level of performance or fault tolerance). Ro rke Data RAID controllers let you create the types of arrays that have proven to be the most useful for RAID applications: RAID 0, 1[...]

  • Page 111

    Array Basics 91 RAID 3 is not well suited for transac tion processing or other applicati ons that require simultaneous reads and writes. A.1.4 RAID 4 RAID 4 is similar to RAID 3 in that the redundant info rmation is achieved in the form of parity data. The user data is distributed across al l but one of the disks. The Galaxy 65 Subsystem uses a sin[...]

  • Page 112

    Galaxy 65 User Guide 92 A.2 Comparing RAID Levels Table 1–2 illustrates the differences betw een the different RAID levels. Table 1–2 Comparing RAID levels RAID Level Min No. of Drives Description Strengths Weaknesses RAID 0 2 Data striping without redundancy Highest performance No data protection—one drive fails, all data is lost RAID 1 2 Di[...]

  • Page 113

    Array Basics 93 A.3 Mixing Disks from Different Manufacturers or with Different Capacities An array can contain disks with different capacities; for example, an array can include a 36-GB disk and a 72-GB disk. If you mix disks with different capacities, the smallest di sk determines the logical capacity of all other disks in the array, regardless o[...]

  • Page 114

    Galaxy 65 User Guide 94[...]

  • Page 115

    Accessing DAM 95 Appendix B Accessing Disk Array Administrator Software The remaining appendices of the Guide describe how to manage your Galaxy 65 Subsystem using the menu-based Disk Array Administrator. You can display and change a variety of settings using the Disk Array Administrator software. Using the Disk Array Administrator, you can: • Cr[...]

  • Page 116

    Galaxy 65 User Guide 96 You can perform other configuration functions from either SM and have the same changes made automatically on the other SM: • Managing pool spares • Configuring host channels • Configuring disk channels • Configuring the following Ga laxy 65 Subsystem settings: – Alarm mute – Lock cache • Configuring the followi[...]

  • Page 117

    Accessing DAM 97 To access the Disk Array Administrator software using the RS-232 serial port: 1 From the computer connected to the Galaxy 65 Subsystem, start yo ur terminal emulation software. Be sure that your terminal emul ation software is set to use the co rrect COM port on your computer. See section 7.14, ”Terminal Emulator and COM Port Pro[...]

  • Page 118

    Galaxy 65 User Guide 98 You can now perform all of the functions described in the following chapters. All steps start from the System Menu. B.2 Accessing the Disk Array Administrator Using the Ethernet Port You can access the Disk Array Administrator software using the Ethernet port and Telnet. Windows users may want to obtain a terminal emul ator [...]

  • Page 119

    Accessing DAM 99 • Using the serial connection to t he SM and setting the address. See H.2.1, ”Configuring the IP Settings”, on page 214 . Once you set the IP address and su bnet mask, you can use the steps in the next section to access the Disk Array Administrator software. B.2.2 Accessing the Disk Array Software Using the Ethernet Port Note[...]

  • Page 120

    Galaxy 65 User Guide 100 If needed, enter the port numb er. The default port is 23. The Enter Password screen displays. 6 Enter your password and press Enter . There is no default password. If you ha ve not set up a password, just press Enter . The initial Rorke Data Disk Array Administrator scre en displays. If any events have occurred, each event[...]

  • Page 121

    Accessing DAM 101 You can now perform all of the func tions described in the following c hapters. All steps start from the System Menu. B.3 Navigating the Disk Array Administrator Software You can navigate the Disk Array Admini strator software using your keyboard. Table 2–1 describes the primary navigation and selection methods. Table 2–1 Disk[...]

  • Page 122

    Galaxy 65 User Guide 102 Note After four minutes of inactivity, th e Disk Array Administrator software ti mes out and returns to the initial screen. B.3.1 Changing the Screen Display After you have accessed the Disk Array Administrator software, you ca n change the screen display using a combination of keystrokes, as shown on the System Menu. Table[...]

  • Page 123

    Accessing DAM 103 B.3.2 Disk Array Administrator Menu T ree Figure 2–1 and Figure 2–2 describe the complete Disk Array Admi nistrator menu hierarchy. In the Disk Array Administrator, menu options that are not accessible appear gray. For example, the Array Menu is not accessible unless one or more arrays exist. Figure 2–1 Menu T ree (sheet 1) [...]

  • Page 124

    Galaxy 65 User Guide 104 Figure 2–2 Menu Tree (sheet 2) Other Controller Menu Other Information Kill Other Unkill Other Shutdown Other Shutdown Both System Menu Array Menu Add an Array Delete an Array Pool S pare Array Display Drives All Partitions Menu Configuration Menu Utilities Menu Event Log Menu Other Controller Menu Shutdown Menu Shutdown [...]

  • Page 125

    Managing Arrays & Partitions 105 Appendix C Creating and Managing Arrays & Partitions Using the Disk Array Administrator, you can create and manage arrays and partitions. You can perform the following array-related functions: • Create arrays (see page 105 ) • Manage arrays (see page 116 ) • Manage partitions (see page 133 ) C.1 Creati[...]

  • Page 126

    Galaxy 65 User Guide 106 Note Before you create more than one array, you must be sure that your host operating system supports multiple logical unit numbers (LUNs). Most operat ing systems do, or have an option you can enable to support multiple LUNs. If your operating system does no t support multiple LUNs, t he host will only be able to see one a[...]

  • Page 127

    Managing Arrays & Partitions 107 You can use up to 20 characters. You can include an y characters in the name, including spaces. If you do not want to name the array, you can just press Enter . You can add or change the name later. The system asks if you want to create one partition now for the entire array. 3 Select Yes to create a single-part[...]

  • Page 128

    Galaxy 65 User Guide 108 Note A RAID 10 array is created when there are more than two drives in a mirrored array. See , ”Array Basics”, on page 89 , for more information. If you selected RAID 50 as the array type, the Select RAID 50 Array Size scr een displays (not shown) with all possible configurations fo r the array and drive combinations. S[...]

  • Page 129

    Managing Arrays & Partitions 109 7 Select the drives you want to use for the array and press Enter . You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives you entered prev iously, the system automatically goes to the next screen. To skip a driv[...]

  • Page 130

    Galaxy 65 User Guide 110 You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives yo u entered previously, the sys tem automatically goes to the next screen. To skip a drive, use the ↑ or ↓ key. To toggle the display between t he drive model numbe[...]

  • Page 131

    Managing Arrays & Partitions 111 The system confirms that y ou want to create the array. 12 Select Yes and press Enter . A message notifies you that the array is being cr eated and shows the progress of the initialization process. The array initialization process takes from several minutes to more than an hour depending on the array type (volum[...]

  • Page 132

    Galaxy 65 User Guide 112 4 Select the RAID type: RAID0 , RAID3, RAID4, RAID5, RAID50, VOLUME (a single drive similar to just a bunch of disks (JBOD) except that it includes metadata), or MIRRORED and press Enter . Note A RAID 10 array is created when there are more than two drives in a mirrored array. See , ”Array Basics”, on page 89 , for more[...]

  • Page 133

    Managing Arrays & Partitions 113 5 Enter the number of drives (excluding spares) you want in the array and press Enter . The Select Drives screen displays (sho wn below). The list includes all ava ilable drives, that is, drives that are not members of an array and ar e not assigned as a dedicated or pool spare, on either SM: • Loop ID for eac[...]

  • Page 134

    Galaxy 65 User Guide 114 6 Select the drives you want to use for the array and press Enter . You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives yo u entered previously, the sys tem automatically goes to the next screen. To skip a drive, use the [...]

  • Page 135

    Managing Arrays & Partitions 115 You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives you entered prev iously, the system automatically goes to the next screen. To skip a drive, use the ↑ or ↓ key. To toggle the display between t he drive [...]

  • Page 136

    Galaxy 65 User Guide 116 The system confirms that you want to create the array. 11 Select Yes and press Enter . A message notifies you that the array is being crea ted and shows the progress of the initialization process. The array initialization process takes from several minutes to more than an hour depending on the array type (volume, RAID 0, an[...]

  • Page 137

    Managing Arrays & Partitions 117 C.2.1 Viewing Array and Drive Status Information Array and drive status informat ion is available in two ways: • View array status (see page 117 ) • View drive status (see page 119 ) C.2.1.1 Viewing Array Status You can view the status of an array, including the following information: • State: Online, Offl[...]

  • Page 138

    Galaxy 65 User Guide 118 2 Select the array you want and press Enter . The array menu displays. 3 Select Array Status and press Enter The status screen displays showing th e status of the array you selected.[...]

  • Page 139

    Managing Arrays & Partitions 119 4 Press Esc to return to the Array Menu. C.2.1.2 Viewing Drive Status You can view the status of the drives in an array, including the following information: • Drive number: The drive’s sequential position in the Galaxy 65 Subsystem’s drive list. • Drive status: Whether the drive is up or down. • Spare[...]

  • Page 140

    Galaxy 65 User Guide 120 2 Select the array you want and press Enter . The array menu displays. 3 Select Drive Status and press Enter The drive status screen displays showing the drives that are members of the array and that are assigned as dedicated spares. Use the ↑ or ↓ key to scroll through the drives. These are the drives that are curr ent[...]

  • Page 141

    Managing Arrays & Partitions 121 4 Select Yes and press Enter . C.2.3 Adding a Partition If you created a multiple-partition array, you must create at least one partition on the array before you can use the array. You can create partitions on a multiple-p artition array until you use all of the free space. For more information about partitions,[...]

  • Page 142

    Galaxy 65 User Guide 122 5 Enter the size you want to make the partition and press Enter . The Partition Name screen displays. 6 Enter a name for the partition and press Enter . You can use up to 20 characters. You can include an y characters in the name , including spaces. If you do not want to name the par tition, you can just press Enter . You c[...]

  • Page 143

    Managing Arrays & Partitions 123 The LUN screen displays. 7 Select the LUN for the partition and press Enter . The LUN that displays is the suggested default LUN assignment. Note Most UNIX, Linux, and Macintosh operating system s require that the CAPI LUN, which is the LUN assigned to each SM, be set to a higher value than all array LUNs. Befor[...]

  • Page 144

    Galaxy 65 User Guide 124 You may want to verify an array wh en you suspect there is a problem. To verify an array: 1 From the System Menu, select Array Menu and press Enter . The Select Array screen displays with a list of existing arrays. 2 Select the array you want and press Enter . The array menu displays. 3 Select Verify Function and press Ente[...]

  • Page 145

    Managing Arrays & Partitions 125 To return to the verification menu, press Esc . To check the progress of the array verification, you can use the verification status described below or select Array Menu from the System Menu. The status of the verification displays in the list of arrays. C.2.4.1 Viewing Verification Status You can view the statu[...]

  • Page 146

    Galaxy 65 User Guide 126 To stop the verification process: 1 From the System Menu, select Array Menu and press Enter . The Select Array screen displays with a list of existing arrays. 2 Select the array you want and press Enter . The array menu displays. 3 Select Verify Function and press Enter The verify menu displays. 4 Select Abort Verify and pr[...]

  • Page 147

    Managing Arrays & Partitions 127 The number of drives you can add to an ar ray depends upon the RAID level as shown in Table 3–2 . You also cannot exceed the maximum number of drives for each RAID level. See C.1, ”Creating Arrays”, on page 105 . If you are expanding a multiple-partition array, you add free space at the end of the array. F[...]

  • Page 148

    Galaxy 65 User Guide 128 5 Enter the number of drives you want to add and press Enter . The Select Drives screen displays. 6 Select the drives you want to add from the list of available drives and press Enter . Only available drives, that is, drives that are not members of an array and are not assigned as dedicated or pool spares, display.[...]

  • Page 149

    Managing Arrays & Partitions 129 You select a drive by highlighting it and pressing Enter . Each selected drive turns gray in the drive list. After you press Enter for the number of drives you entered pr eviously, the system automatically begins the expansion. To skip a drive, use the ↑ or ↓ key. To toggle the display between t he drive mod[...]

  • Page 150

    Galaxy 65 User Guide 130 5 Select Yes and press Enter . C.2.8 Changing Array Ownership You can change the ownership of any array between the SMs. You might want to change ownership if you plan to replace or repair one SM. Changing ownership lets you continue using an array without interruption and makes the array vi sible on the SM you change it to[...]

  • Page 151

    Managing Arrays & Partitions 131 2 Select Option Configuration and press Enter . The Option Configuration Menu displays. 3 Select Enable Trust Array and press Enter The Enable Trust Array screen displays. 4 Select Enable and press Enter . The option is only enabled until you use it. After you trust an array, the option reverts back to being dis[...]

  • Page 152

    Galaxy 65 User Guide 132 2 Select the array you want to delete and press Enter . The system asks you to confirm the deletion. 3 Select Yes and press Enter .[...]

  • Page 153

    Managing Arrays & Partitions 133 C.3 Managing Partitions The Disk Array Administrator software lets you manage partitions in a variety of ways. You can: • View partition status information (see page 117 ) • Add a partition (see page 121 ) • Expand a partition (see page 139 ) • Change a partition name (see page 140 ) • Change a partiti[...]

  • Page 154

    Galaxy 65 User Guide 134 You can only expand a partition into c ontiguous, following, free space. In Figure 3–2 , you can expand partition 1 or you can create additi onal partitions in the free space. After you partition all of the free sp ace, you can expand the size of a partition only by deleting a partition that follows (has a higher number t[...]

  • Page 155

    Managing Arrays & Partitions 135 • Percentage of total array : The percentage of the total array that this partition represents. • Write-back caching : Status of the write-back cache (enabled or disabled) for this array. • InfoShield Type : Type of InfoShield set up on the partition. See C.3.8, ”Controlling Partition Access”, on page [...]

  • Page 156

    Galaxy 65 User Guide 136 The status screen displays showing the status of the partition you selected. 3 Press Esc to return to the partition menu. C.3.2.2 Viewing Partition Statistics You can view the current partition statisti cs. The following statistics are available: • Read : Total number of host read requ ests directed to the partition • W[...]

  • Page 157

    Managing Arrays & Partitions 137 To view the partition statistics: 1 Display the partition menu. 2 Select Partition Statistics and press Enter . The statistics menu displays. 3 Select View Statistics and press Enter . The statistics screen displays showing the statistics of the partition you selected. From the Array Menu From the All Partitions[...]

  • Page 158

    Galaxy 65 User Guide 138 4 Press Esc to return to the statistics menu. C.3.2.3 Resetting Partition Statistics You can reset the following par tition statistics to zero: • Read •W r i t e •S e c R d •S e c W t • I/O Size Note Resetting statistics here also resets the statistics for this partition th at are included in the aggregate statist[...]

  • Page 159

    Managing Arrays & Partitions 139 To reset partition statistics: 1 Display the partition menu. 2 Select Partition Statistics and press Enter . The statistics menu displays. 3 Select Reset Statistics and press Enter . The system confirms that yo u want to make the change. 4 Select Yes and press Enter . The system confirms that the st atistics hav[...]

  • Page 160

    Galaxy 65 User Guide 140 To expand a partition: 1 Display the partition menu. 2 Select Expand Partition and press Enter . The Expand Partition screen displays. 3 Enter the size you want to make the partition and press Enter . You can only expand a partition into contiguous free space that follows the partition. For more information, see C.3.1, ”U[...]

  • Page 161

    Managing Arrays & Partitions 141 2 Select Change Partition Name and press Enter . The Enter New Name screen displays. 3 Enter the name you want to use and press Enter . You can use up to 20 characters. You can include any characters in the name, including spaces. The system confirms that yo u want to make the change. 4 Select Yes and press Ente[...]

  • Page 162

    Galaxy 65 User Guide 142 C.3.6 Changing the Read-Ahead Cache Size You can change the read-ahead cache setting for each partition. This setting controls how much data the Galaxy 65 reads ahead and stores in it s cache memory during sequential reads. If you want to change this size, you should be pr epared to monitor the syst em performance using the[...]

  • Page 163

    Managing Arrays & Partitions 143 3 Select Read-Ahead Size and press Enter The Read-Ahead Size screen displays. 4 Select the amount of data you wa nt the Storage Manager to read ah ead for this partition and press Enter . C.3.7 Enabling or Disabling Write-back Cache Important This function is not available with the current software level (Januar[...]

  • Page 164

    Galaxy 65 User Guide 144 To enable or disable write-back cache: 1 Display the partition menu. 2 Select Change Cache Params and press Enter . Change Cache Params screen displays. 3 Select Write-back Cache and press Enter The Write-back Cache screen displays. Th e current option has an * next to it. 4 Select the option you want for this partition and[...]

  • Page 165

    Managing Arrays & Partitions 145 Figure 3–5 shows an example of how you can use InfoShield. Figure 3–5 InfoShield example For example, in Figure 3–5 , Array A has two partitions. Partition 1 has an include list that contains only Accounting, so only the Accounting se rver can access partition 1. Array B, partition 3 has an exclude list th[...]

  • Page 166

    Galaxy 65 User Guide 146 . Select General InfoShield and press Enter . The General InfoShield screen displays. 2 Select Display Host List and press Enter . The Display Host List screen displays showing t he last 16 WWNs known to the Galaxy 65 Subsystem. The WWNs are listed according to when they scann ed for devices. The host that scanned for devic[...]

  • Page 167

    Managing Arrays & Partitions 147 Note A host’s WWN is placed at the top of the known host s list whenever the host performs a device discovery or bus scanning type of operation. 3 Press Esc to return to the previous menu. C.3.8.2 Creating Nicknames for Host WWNs You can give the hosts on your SAN nicknames that you can easily recognize to mak[...]

  • Page 168

    Galaxy 65 User Guide 148 The Add or Name Host screen displays the last 16 known WWNs and host nick names that you have set up. If you want to change the nicknam e, enter the new nickname in step 5 . For more information, see C.3.8.1, ”Viewing Know n WWNs”, on page 145 . If the SM is not aware of any WWNs, the list is em pty and the system asks [...]

  • Page 169

    Managing Arrays & Partitions 149 To set up InfoShield: 1 Display the partition menu. 2 Select InfoShield and press Enter . The InfoShield menu displays and sh ows the current InfoShield type at the top. The default setting for each partition LUN is Include All Host s. This results in all hosts being able to access all partitions. You can change[...]

  • Page 170

    Galaxy 65 User Guide 150 • Display Host List: Displays a list of the hosts currently on th e include or exclude list for the selected partition. This option only displays hosts if you ha ve already used Add Host to List and added one or more WWNs to an include or exclude list. • Add Host to List : Displays the Enter Host WWN screen wh ere you e[...]

  • Page 171

    Managing Arrays & Partitions 151 the existing setting for each partition. However, the Galaxy 65 Subsystem retains all existing include and exclude lists. If you use this option and later need to change back to your previous InfoShield settings, you must do so by changing the setting for eac h partition individually. See C.3.8.3, ”Configuring[...]

  • Page 172

    Galaxy 65 User Guide 152[...]

  • Page 173

    Monitoring System Status 153 Appendix D Monitoring System Status D.1 Introduction Using the Disk Array Administrator, you can moni tor your system. You should monitor your system regularly to ensure that the Galaxy 65 Subsystem, disks, and arrays are working proper ly. The Galaxy 65 Subsystem and Disk Array Administrator softwar e let you monitor t[...]

  • Page 174

    Galaxy 65 User Guide 154 D.2 Displaying the Event Log The SM’s event log contains important information ab out the status of the Galaxy 65, disks, and arrays. You should check it regularly for each SM to monitor the status of your system. Below is a list of some of the key warning and fail ure events included in the event log during operation: ?[...]

  • Page 175

    Monitoring System Status 155 display, the initial screen displays. The initial scre en alternates between displaying the date, time, and temperature and the model number of your hardware. You can bypass all ev ents by pressing Tab . D.2.2 Viewing One Event at a T ime You can view an SM’s even ts one at a time. The events display in reverse chrono[...]

  • Page 176

    Galaxy 65 User Guide 156 3 Press ↑ to see the previous event. You can continue to view earlier events by pressing ↑ . 4 Press Esc to return to the Event Log Menu. D.2.3 Viewing a Whole Screen of Events You can also view a SM’s events from the log file a whole screen at a time. This lets you quickly review all recent events. The events display[...]

  • Page 177

    Monitoring System Status 157 . 2 Press U to page up or D to page down in the log or use the other keys as listed at the bottom of the screen to navigate within the event log. 3 Keep pressing CTRL-E to page through the other informatio n screens and return to the menu. D.2.4 Capturing the Event Log You can also capture a SM’s en tire event log, wh[...]

  • Page 178

    Galaxy 65 User Guide 158 6 From the Transfer menu in HyperTerminal , select Capture Text, then select Stop. 7 To capture the event log fo r the other SM, repeat steps 1 through 6 from the computer connected to the other SM. D.3 Displaying Module Status Information You can display status informat ion about each of the modules in your Galaxy 65 Subsy[...]

  • Page 179

    Monitoring System Status 159 D.4 Displaying Hardware and Configuration Information You can display the Galaxy 65 Subs ystem’s hardware and configuration information. This is where you can see what version of the fi rmware you have. Technical support personnel may request this information. You can display the hardware and configuration information[...]

  • Page 180

    Galaxy 65 User Guide 160 DISK 0 DISK 1 DISK 2 DISK 3 Online or Offline Health Status of disk channel based on whether a disk enclosure is connected and can be: Good, Down (not online) Probation (had errors but now has a time limit before it gets back to good status or failure for some reason), Degraded (had some errors but link has not failed), Fai[...]

  • Page 181

    Monitoring System Status 161 To display hardware information only: 1 From the System Menu, select Utilities Menu and press Enter . The Utilities Menu displays. 2 Select Hardware Information and press Enter . The Hardware Information screen displays CAPI Version Version of the Configuration Application Programming Interface. FC LIB Version Version o[...]

  • Page 182

    Galaxy 65 User Guide 162 . 3 Press Esc to return to the Utilities Menu. To display hardware and configuration information: 1 From anywhere in the Disk Arra y Administrator software, press CTRL-E until the HW Info screen displays. The HW Info screen displays. Press U to page up or D to page down in the screen or use the other keys as listed at the b[...]

  • Page 183

    Monitoring System Status 163 2 Press CTRL-E again. The CFG Info screen displays. Press U to page up or D to page down in the screen or use the other keys as listed at the bottom of the screen to navigate within the CFG screen. 3 Press CTRL-E to display the next screen of configuration information or Esc to return to where you started from.[...]

  • Page 184

    Galaxy 65 User Guide 164 D.5 Capturing the Event Log, Hardware, and Configuration Information You can capture and save the following info rmation to a file on your hard drive: • Entire event log • All hardware information • All configuration information • All debug information that is turned on. This is useful if you want to print all of th[...]

  • Page 185

    Monitoring System Status 165 To display drive errors: 1 From the System Menu, select Display Drives and press Enter . The Display Drives screen displays. 2 If a drive has an E next to it, select the drive and press Enter to display the error information. Some errors are primarily for information purposes to help you diagnose drive and enclosure pro[...]

  • Page 186

    Galaxy 65 User Guide 166 different RAID levels to determine which level gives you the best performance. See , ”Array Basics”, on page 89 for more details on RAID levels Note The statistics are provided as gen eral information for your use, however, they are not intended for benchmarking purposes. To access the overall array statistics: 1 From t[...]

  • Page 187

    Managing Spares 167 Appendix E Managing Spares Using the Disk Array Administra tor, you can manage spares. Rorke Data RAID controllers automatically reconstruct redundant (fault-t olerant) arrays (RAID 3, RAID 4, RAID 5, RAID 50, and mirrored) if an array becomes critical and a properl y sized spare drive is available. An array becomes critical whe[...]

  • Page 188

    Galaxy 65 User Guide 168 E.1 Managing Dedicated Spares Dedicated spares are unused disk driv es that you assign as a spare to a specific array. The disk must be as large as the smallest member of the array. You cannot use a dedi cated spare drive as a member of an array or as a pool spare. Although using a dedicated spare is t he most secure way to[...]

  • Page 189

    Managing Spares 169 2 Select the array you want and press Enter . The array menu displays. 3 Select Delete Spare and press Enter . 4 Select the spare drive you want to delete and press Enter . The system confirms the deletion. 5 Select Yes and press Enter to delete the spare. The drive is now available for use in an array or as a spare. E.2 Enablin[...]

  • Page 190

    Galaxy 65 User Guide 170 4 Select Enabled and press Enter . The Rescan Rate screen displays. 5 Enter the rescan rate in minutes. This tells the SM how often it should look for an available drive by rescanni ng the bus. Rescanning the bus frequently can affect performance. If you have an EMP, the dynamic spare configuration will not rescan the bus. [...]

  • Page 191

    Managing Spares 171 E.3.1 Adding a Spare to the Spare Pool You can add up to eight drives to the spare pool to reconstruct any critical array on the Galaxy 65 Subsystem. After an array has starte d using a pool spare, ot her critical arrays are prevented from using it. For a pool spare to be used, it must be at least as larg e as the smallest drive[...]

  • Page 192

    Galaxy 65 User Guide 172[...]

  • Page 193

    Managing Drives & Enclosures 173 Appendix F Managing Disk Drives and Enclosures Using the Disk Array Administrator, you can control a variety of functions rela ted to disk drives and enclosure management processo r (EMP) enclosures connected to your Galaxy 65 Subsystem. • For drives, you can: – Display drive information (see page 173 ) – [...]

  • Page 194

    Galaxy 65 User Guide 174 F.1.1.1 Displaying All Drives You can display a list of all connec ted drives. The information includes: • Loop ID •S i z e • Vendor • Model number (toggles with node WWN and serial number by pressing T ) • Node WWN (toggles with model number and serial number by pressing T ) • Serial number (toggles with node W[...]

  • Page 195

    Managing Drives & Enclosures 175 To display all drives: 1 From the System Menu, select Display Drives and press Enter . The Display Drives screen displays. If a drive has an E in the first co lumn, select the drive and press Enter to display the error. To reset the error statistics, select Reset drive error statistics and press Enter . To blink[...]

  • Page 196

    Galaxy 65 User Guide 176 • Size: Size of the drive in MB • Usage: If a member of an array, th is displays the array name and member number. If a spare, this displays the type of spare. If unus ed, this displays Available. If the drive was part of an array that no longer exists, this displays Leftover. Note If a drive has failed or malfun ctione[...]

  • Page 197

    Managing Drives & Enclosures 177 F.1.1.3 Displaying Drive Errors and Resetting Error Statistics You can display drive errors for a specific drive. Yo u know a drive has errors when you see the letter E in the first column of the Display Drives screen. To display drive errors: 1 From the System Menu, select Display Drives and press Enter . The D[...]

  • Page 198

    Galaxy 65 User Guide 178 Typically, if your drives are part of an array, you do not want to turn on write-back cache on the drives. The Galaxy 65 Subsystem is already using write-back cache to improve performance. Turning on write- back cache on the disk drive may improve performance in some cases, depending on the type of array and how you are usi[...]

  • Page 199

    Managing Drives & Enclosures 179 3 Select the option you want and press Enter . 4 Restart or rescan to have your changes take effect. See G.1.1, ”Shutting Down and Restarting the Current SM Module”, on page 190 or G.10, ”Rescanning All Channels”, on page 206 . F .1.4 Displaying Disk Cache Status You can display the cache status of ea ch[...]

  • Page 200

    Galaxy 65 User Guide 180 3 Select Display Drive Cache and press Enter The Select Drives screen displays. 4 Select a drive and press Enter . The cache status screen displays showing the status of the read and write cache. 5 Press Esc to return to the Drive Utilities Menu.[...]

  • Page 201

    Managing Drives & Enclosures 181 F .1.5 Enabling and Disabling SMART Changes You can enable or disable the abi lity to change the Self-Monitoring, Analysis and Reporting Technology (SMART) settings for all drives connected to t he Galaxy 65 Subsystem. This can be set to ENABLE, DISABLE, or DON’T MODIFY (which means the Ga laxy 65 Subsystem sh[...]

  • Page 202

    Galaxy 65 User Guide 182 F .1.6 Blinking a Drive LED You can blink the LED on a specific drive one of two ways: • From the Drive Utilities Menu (only works for a single drive; see below) • From the Display Drives list when you add a pool sp are or display all drives (works for multiple drives). Select the drive and press B . Press B again to st[...]

  • Page 203

    Managing Drives & Enclosures 183 4 Select the drive you want and press Enter . The system confirms that you want to make the change. 5 Select Yes and press Enter to make the change. To make the drive display agai n, you must use Rescan. See G.10, ”Rescanning All Channels”, on page 206 . After you rescan, you must clear the metadata from the[...]

  • Page 204

    Galaxy 65 User Guide 184 F .2.1 Setting the EMP LUN If you have only one EMP, the configuration se ttings are automatically ena bled when the Galaxy 65 Subsystem is installed. If you have more than one EMP, you must set up the EMP LUNs as described in this section. The Galaxy 65 Subsystem allows in -band access to the EMP in the di sk enclosure und[...]

  • Page 205

    Managing Drives & Enclosures 185 3 Select EMP LUNs and press Enter . The EMP LUNs screen displays. 4 Select the EMP you want and press Enter . The Galaxy 65 Subsystem assigns EMP IDs sequentially when it starts. The EMP LUN screen displays.[...]

  • Page 206

    Galaxy 65 User Guide 186 5 Select the option or number you want to use. The system confirms that you want to make the change. 6 Select Yes and press Enter to make the change. 7 Restart to have your changes take effect. See G.1.1, ”Shutting Down and Restarting the Current SM Module”, on page 190 . To Do this Not assign the EMP a LUN Select NONE [...]

  • Page 207

    Managing Drives & Enclosures 187 F .2.2 Changing the Additional EMP Setting You can change one addi tional EMP setting: • Polling interva l: This is the interval, in seconds, that the Galaxy 65 Subsystem polls the EMPs for status changes. If the polling rate is set to ze ro, the Galaxy 65 Subsystem does not communicate with the EMP. Only use [...]

  • Page 208

    Galaxy 65 User Guide 188[...]

  • Page 209

    Configuring Galaxy 65 189 Appendix G Configuring the Galaxy 65 Subsystem Using the Disk Array Administrator, you can configure settings and perf orm a variety of functions on the Galaxy 65 Subsystem. You can: • Shut down and restart the Storage Manager module (see page 190 ) • Change the date and time (see page 192 ) • View LUN information (s[...]

  • Page 210

    Galaxy 65 User Guide 190 G.1 Shutting Down and Restarting the Storage Manager Module • Shut down and restart the current SM module : Gracefully shuts down and restarts the SM module you are currently accessing using the Disk Array Administrator software (as shown at the bottom of each screen). Use this option when you have changed a confi guratio[...]

  • Page 211

    Configuring Galaxy 65 191 2 Select Shutdown/Restart and press Enter The system confirms that you want to shut down 3 .Select Yes and press Enter . The system confirms that it has shut down. To restart the SM, press Enter to restart. The system performs its self-test. When you see the Di sk Array Administrator initial screen, the SM is ready. G.1.2 [...]

  • Page 212

    Galaxy 65 User Guide 192 To shut down the other SM module: 1 From the System Menu, select Shutdown Menu and press Enter The Shutdown Menu displays. 2 Select Shutdown Other and press Enter The system confirms that you want to shut down. 3 Select Yes and press Enter . The system confirms that it has shut down. G.1.3 Shutting Down Both SM Modules You [...]

  • Page 213

    Configuring Galaxy 65 193 3 Select Set Date and press Enter . The Set Date screen displays . 4 Enter the date you want and press Enter .[...]

  • Page 214

    Galaxy 65 User Guide 194 Enter the date in the following format: MM/DD/YYYY. The system confirms that you want to make the change. 5 Select Yes and press Enter to make the change. The system confirms th at the change is made. 6 Press Esc to return to the Configuration Menu. To set an SM module’s time: 1 From the System Menu, select Configuration [...]

  • Page 215

    Configuring Galaxy 65 195 G.3 Configuring the Host Channels You can configure several settings fo r each host channel independently. Table 7–1 lists the host channel settings and what they do. Table 7–1 Host channel settings Host channel setting Description Topology You should be sure that th e topology setting is correct for y our configuratio[...]

  • Page 216

    Galaxy 65 User Guide 196 To configure the host channels: 1 From the System Menu, select Configuration Menu and press Ente r. The Configuration Menu displays. 2 Select Host Configuration and press Ente r. The Select Host Channel screen displays. 3 Select the host channel you want to configure and press Ente r. The Topology screen displays. An * di s[...]

  • Page 217

    Configuring Galaxy 65 197 6 Select the option or num ber you want and press Ente r. The CAPI LUN screen displays. 7 Select the option or number you want to use. There is just one CAPI L UN for each SM module. The system confir ms that you want to make the change. 8 Select Yes and press Enter to make the changes. G.4 Understanding LUNs and V iewing [...]

  • Page 218

    Galaxy 65 User Guide 198 2 Select LUN information and press Enter The LUN Information screen displays.[...]

  • Page 219

    Configuring Galaxy 65 199 3 Press Esc to return to the Utilities Menu. G.5 Configuring the FC Disk Channels You can change two configuration op tions for each FC disk channel: • Link speed : This is the maximum speed the Galaxy 65 Subsystem will attempt to negotiate. You can set the speed to: 1 GB/second or 2 GB/second. The Link Speed setting is [...]

  • Page 220

    Galaxy 65 User Guide 200 Table 7–2 Ops Panel Switch Functions • Initiator ID assigned to each channel : The Galaxy 65 Subsystem assigns each of its FC disk channels one of the FC loop IDs (initiator IDs). The Initiator ID setting is set via the Disk Array Administrator. You can change the in itiator ID assigned to each cha nnel. You may need to[...]

  • Page 221

    Configuring Galaxy 65 201 3 Select the channel you want and press Enter . 4 Select the initiator ID you want and press Enter . The system confirms that you want to make the changes. 5 Select Yes and press Enter to make the changes. 6 Press Esc to return to the Configuration Menu. G.6 Changing the Alarm Mute Setting You can enable or disable the aud[...]

  • Page 222

    Galaxy 65 User Guide 202 A change to this setting on either SM module is automatically updated on the other SM module. Table 7–3 shows the temperature and voltage thresholds for each alarm and what to do to resolve the problem. Table 7–3 . Alarm thresholds Alarm threshold What to do when the alarm sounds Galaxy 65 internal temperature • Warni[...]

  • Page 223

    Configuring Galaxy 65 203 To enable or disable the alarm: 1 From the System Menu, select Configuration Menu and press Enter . The Configuration Menu displays. 2 Select Alarm Mute and press Enter The Alarm Mute screen displa ys. The current setting is marked with an * next to it. . 3 Select the option you want and press Enter . 12V voltage • Warni[...]

  • Page 224

    Galaxy 65 User Guide 204 G.7 Locking the Cache Setting You can prevent host systems from using SCSI mode-select commands to change the Galaxy 65 Subsystem’s write-back cache setting. Some operating systems disable write cache. If cache lock is enabled, the host cannot modify the cach e setting. The default setting is disabled. This option is usef[...]

  • Page 225

    Configuring Galaxy 65 205 4 Select the option you want and press Enter . G.8 Enabling and Disabling the Battery If you are not using a battery in y our Galaxy 65 Subsystem, the Galaxy 65 Subsystem will sound an alarm. To eliminate the alarm, you can disable the battery. The defaul t setting is battery enabled. Note You should only disable the batte[...]

  • Page 226

    Galaxy 65 User Guide 206 4 Select the option you want and press Enter . 5 Restart to have your changes take effect. See G.1, ”Shutting Down and Restarting the Storage Manager Module”, on page 190 . G.9 Changing the Utility Priority You can change the priority at whic h all utilities (Verify, Reconstruct, Expand, Initialize, etc.) run when there[...]

  • Page 227

    Configuring Galaxy 65 207 3 Select the option you want and press Enter . G.10 Rescanning All Channels You can tell the Galaxy 65 Subsystem to scan all disk channels for new or removed disk drives. You can use this option when you install or remove drives. The rescan temporarily paus es all I/O processes and then resumes normal operation. If you are[...]

  • Page 228

    Galaxy 65 User Guide 208 2 Select Rescan and press Enter . G.1 1 Pausing I/O Most drive enclosures allow you to remove and replac e drives while FC disk channel activity continues. However, you may still want to pause I/O if you are replacing more than one disk drive. The Hot Swap Pause option suspends activity on all device ch annels used in the G[...]

  • Page 229

    Configuring Galaxy 65 209 3 When you have replaced the drive, re sume back end activity by pressing Esc . Caution Do not stay in the Hot Swap Pause mode for too long; otherwise, an ope rating system time-out may occur (the time varies according to the operating system). For example, in Windows NT, the default limitation during I/O activity is 10 se[...]

  • Page 230

    Galaxy 65 User Guide 210 G.13 Updating Firmware You can update five types of firmwa re for each Galaxy 65 Subsystem: • Storage Manager • Storage Manager loader • Memory controller • LAN Subsystem • LAN Subsystem loader Information regarding the latest re lease of firmware and firmware u pdates is available from technical support. G.13.1 U[...]

  • Page 231

    Configuring Galaxy 65 211 8 Press the number on your ke yboard that corresponds to the protoc ol you want to use to transfer the firmware upgrade file from your computer to the SM module. We recommend using the KERMIT protocol. The system shows that it is ready to use KERMIT. 9 Using your terminal emulator softw are, send the.fla file using KERMIT.[...]

  • Page 232

    Galaxy 65 User Guide 212 To upgrade the LAN Subsystem’s firmware: 1 Check the version of LAN firmwa re you have now by pressing CTRL-E until the configuration information screen with that information displays. 2 Call technical support for information about downloading the firmware updates. 3 From the computer connected to th e SM module, access t[...]

  • Page 233

    LAN Configuration 213 Appendix H LAN Configuration . Before you can access the Disk Array Administrator software using the Ethernet port, you must set up each SM module for TCP/IP. The followin g sections describe the TCP/IP setup. A SM module that is part of a TC P/IP network requires three basic IP configuration elements: IP address, subnet mask,[...]

  • Page 234

    Galaxy 65 User Guide 214 H.2 Configuring the LAN Settings You can configure several LAN settings for each SM using the Disk Array Administrator software: • IP settings (see page 214 ) • FTP settings (see page 215 ) • Telnet settings (see page 215 ) • SNMP settings (see page 216 ) • Contact settings (see page 217 ) • HTTP settings (see p[...]

  • Page 235

    LAN Configuration 215 4 Select the option you want and press Enter . The screen displays related to the option you selected. 5 Enter the IP address, subnet mask, or gateway you want and press Enter . The system confirms that yo u want to make the change. 6 Select Yes and press Enter . The system makes the change. H.2.2 Configuring the FTP Settings [...]

  • Page 236

    Galaxy 65 User Guide 216 Changes to either of these settings on either SM module are automatically updated on the other SM module. To set the Telnet settings: 1 From the System Menu, select Configuration Menu and press Enter . The Configuration Menu displays. 2 Select LAN Configuration and press Enter . The LAN Configuration screen displays. 3 Sele[...]

  • Page 237

    LAN Configuration 217 3 Select SNMP Settings and press Enter . The SNMP Settings screen displays. 4 Select the option you want and press Enter . The screen displays related to the option you selected. 5 Enter or select the opt ion you want and press Enter . The system confirms that yo u want to make the change. 6 Select Yes and press Enter . The sy[...]

  • Page 238

    Galaxy 65 User Guide 218 H.2.6 Configuring the HTTP Settings You can set up the passwords for SAM, the browser-ba sed interface. In SAM, you can set up two types of SAM users: • Monitor : Have access to only the Monitor menu that lets you view the status and statistics pages. If you have logged in using a monitor password and select a page from t[...]

  • Page 239

    LAN Configuration 219 • HTTP : Controls access to the SM modules using hypertext transfer protocol (HTTP), which permits you to manage the SM modules usin g SAM. The default is enabled. • SNMP : Controls the availability of SNMP, which perm its remote monitoring of the Galaxy 65 using your LAN. The default is enabled. • Internet Debug : Used [...]

  • Page 240

    Galaxy 65 User Guide 220[...]

  • Page 241

    Glossary 221 Glossary In glossary definition s, italics are used for items defined elsewhere in the glossary and bold is used for the items shown in brackets afte r the main heading of the entry. address An address is a data structure or logical convention used to identi fy a unique entity, such as a particular process or network device. arbitrated[...]

  • Page 242

    Galaxy 65 User Guide 222 Characters Per Second A data transfer rate generally estimat ed from the bit rate and the character length. For example, at 2400 bps, 8-bit characters wi th Start and Stop bits (for a total of ten bits per character) will be transmitted at a rate of approximately 240 charac ters per second (cps). Chassis A sheet metal enclo[...]

  • Page 243

    Glossary 223 FC port An FC port is the opening at the back of a router that provides a fiber optic connection between the FC adapter and FC host. FC protocol for SCSI (FCP) FCP defines an FC mapping layer (FC- 4) that uses FC-PH services to transmit SCSI command, data, and status informatio n between a SCSI initiator and SCSI target. FCP enables tr[...]

  • Page 244

    Galaxy 65 User Guide 224 initiator mode Initiator mode is the configur ation mode of a device in which an FC or SCSI initiator requests operations to be performed by an FC or SCSI target device. kill In Active-Active mode, one controller can kill the ot her controller by resetting it and taking it offline. LED Light Emitting Diode. A small light di[...]

  • Page 245

    Glossary 225 Parallel Transmission The transfer of data charac ters using parallel electrical paths for each bit of the character, for example, 8 paths for 8- bit characters. Data is stored in computers in parallel form, but may be converted to serial form for certain operations. See Serial Transmission . partition A partition is a logical subdivis[...]

  • Page 246

    Galaxy 65 User Guide 226 SCSI port A SCSI port is an opening at the back of a rout er that provides connec tion between the SCSI adapter and SCSI bus. Serial Transmission The transfer of data characters one bit at a time, sequentially, using a single electrical path. See Parallel Transmissio n. Simple Network Management Protocol (SNMP) SNMP is the [...]

  • Page 247

    Glossary 227 Any disk drives with write-back cache enabled should be connected to an Uninterruptible power supply (UPS) in case of a power failure. If the drives are not on a UPS and powe r is lost during disk writes, the array will lose any data in the disk’s write-back cache.[...]

  • Page 248

    Galaxy 65 User Guide 228[...]

  • Page 249

    Index 229 Index a Abort an Array Utility page 22 Abort Initialization 120, 121 Abort Verify 126 access to partitions, controlling 27, 144 accessing the Disk Array Administrator software 95, 103 Add a Partition 121 Add an Array 106, 111 Add Host to List 150 Add or Name Host 147 Add or Name Host screen 148 adding arrays 105 dedicated spares 168 parti[...]

  • Page 250

    Galaxy 65 User Guide 230 expanding for arrays 126 expanding for partitions 134, 139 CAPI LUN changing 44 CAPI LUNs changing 44, 195 defined 43, 196 capturing complete event, hardware, and configuration information 164 configuration information 164 hardware information 164 the event log file 35, 157, 164 carrier module 2 Change Array Name 129 Change[...]

  • Page 251

    Index 231 partitions 31, 151 pool spares 171 disabling SMART changes 55, 181 the battery 46, 204 write-back cache changes 55, 177 Disk 18 Disk Array Administrator accessing 95, 103 changing the screen display 102 initial screen 97, 100 menu tree 103 navigating in 101 System Menu 98, 101 Disk Array Config page 20 disk channels changing FC loop ID of[...]

  • Page 252

    Galaxy 65 User Guide 232 Enable Trust Array 131 Enable Trust Array screen 131 enabling SMART changes 55, 181 the battery 46, 204 write-back cache changes 55, 177 Enclosure 2, 4, 10, 11, 64, 66 Enclosure Management page 58 Enclosure Services Processor 59 Enclosure System Interface/Operators Panel 5 enclosures changing LUNs 57, 184 changing the enclo[...]

  • Page 253

    Index 233 enabling the battery 46, 204 locking the cache setting 45, 203 monitoring status of 33, 153 problems with 69 rescanning all ports 47 rescanning channels 206 restoring defaults 50, 208 selecting the link speed 195 selecting the topology 195 setting the date and time 43 turning the alarm on or off 44, 200 understanding LUNs for 43, 196 upda[...]

  • Page 254

    Galaxy 65 User Guide 234 LAN subsystem resetting 219 updating firmware for 210 updating software for 51 LAN subsystem loader updating software for 51 LED 4, 5, 10, 60, 63, 65 LEDs blinking for disk drives 56, 182 leftover drives, clearing metadata from 54, 177 lights blinking LEDs for disk drives 56, 182 Li-ion battery pack 9 link speed selecting f[...]

  • Page 255

    Index 235 Number of Drives screen 108, 113 Number of Spares screen 109, 114 o Operators Panel 2, 5 Ops Panel 5, 10, 15, 59, 61, 63 Ops Panel LED 15 Ops Panel Switch Functions 6, 88 Option Configuration page 24, 45, 46 other SM changing array ownership to 23, 130 Overall Rate Stats page 36 Overall Statistics 166 Overall Statistics screen 166 ownersh[...]

  • Page 256

    Galaxy 65 User Guide 236 remote notification starting and stopping 34 Remove Host from List 150 Rescan 207 Rescan page 47 rescanning all ports 47 channels 206 Reset All Statistics page 37 Reset LAN Subsystem 219 Reset Statistics 37, 139 resetting all statistics 21 overall statistics for all arrays 166 partition statistics 138 statistics 37 the LAN [...]

  • Page 257

    Index 237 updating for the storage controller loader 51 updating for the Galaxy 65 51 updating for the Galaxy 65r 51 spares adding dedicated 168 adding pool 171 defined 167 deleting dedicated 168 deleting pool 171 displaying pool 171 enabling automatic 169 enabling dynamic 169 use in reconstructing 167 speed changing for FC disk channels 198 changi[...]

  • Page 258

    Galaxy 65 User Guide 238 Utility Priority screen 205, 206 v Verify Array page 22 Verify Function 124, 125, 126 verifying data 22, 123 status of 125 stopping the process 22, 125 View Debug Log page 83 View Event Log 155 View Expand Status 129 View R/W Histogram screen 166 View Statistics 137, 166 View Statistics screen 166 View Verify Status 125 vie[...]