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EMC Corporation Cor porate Headquarter s : Hopkinto n, MA 01748- 9103 (800) 424-EM C2 http:/ /www.EMC.co m EMC 2-Gigabit Disk-Array Enc losure (DAE2) FC and ATA Mo dels HARDWARE REFERE NCE P/N 0140030 48 REV A02[...]

2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce ii Copyrigh t © 2002, 2 003 EMC C orporation. A ll rights r eserved. Publish ed Fe bruar y, 2003 EMC bel ieves the information in this pu blication is accu rate as of its public ation dat e. The inform ation i s subje ct to chan ge wit hout not ice. THE INFORMATION IN THIS PUBLICATION IS[...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference iii Regulatory Notices This device complie s with Part 15 of the F CC rules. Operation is subject to the following two conditions: (1) this de vice m ay not ca use harm ful in terf erence, and (2 ) this d evice mu st ac cept any interfe rence receive d, including interference that may caus[...]

2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce iv[...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference v Preface ........................ ........... ........... ................. ........... ................. ............ ................ ...... i x W ar nings and Cautio ns ............. ........... ............ ................. ........... ................. ........ xiii Cha pter 1 About[...]

2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce vi Contents Chapter 3 Servicing a D AE2 Monitoring Disk Enclos ure Status .. ........... ................. ........... ....... 3-2 Handling FRUs ........... ................. ........... ................. ............ ........... . 3-6 Power Issues and FRUs ............. ........... .....[...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference vii Figures 1-1 DAE2 ............ ........... ................. ........... ................. ........... ............ ................ ... 1-2 1-2 DAE2 Front LED Display ....................... ........... ................. ........... .............. 1-4 1-3 Disk Enclosure Rea r View ....[...]

viii 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Figures 3-13 Reconnecting a Copper Cable to an LCC ..................... ................. .......... 3-18 3-14 Connecting Disk Enclosures Together with Copper Cable .................. 3-19 3-15 Turning Off a Suppl y’s Power and U nplugging Its ac Power Cord ... 3-20 3-16 Removing [...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference ix Preface This manu al is you r primary source of informatio n abou t EMC 2-Gigabit D isk-Array Enclosure (DAE2) hardware. It covers DAE2 models that use Fi bre Channel disks, an d DAE2-A T A models that include Advanced T echnology Attachment drives. The DAE2 is often c alled a disk encl[...]

x 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Preface Related Documenta tion This guide refers to various d ocuments that provide de tailed descriptions of each step. The most curr ent versions of DAE2 documentation ar e available on the EMC Powerlink website, http://po werlink.emc.com . Once logged in to Powerlin k, select Support[...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference xi Preface WARNING A warning contains informa tion essential to avoid a h azard that can cause severe personal injury , death, or subst antial property damage if you ignor e th e warning. DANGER A danger notice con tains information essential to avo id a hazard that will cause severe perso[...]

xii 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Preface Where to Get Help For questions a bout technical su pport and service, conta ct your service provider . If you have an EMC service contra ct, contact EMC Customer Service at: Follow the voice men u prompts to open a service call, then select CLARiiON Pr oduct Su pport. Sales a[...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference xiii The followin g warnings an d caution s pertain throughout this g uide. WARNING T rained service personnel only. This unit has two power sup ply cords. T o r educe the risk of electric shock, disconnect both power supp ly cords before ser vicing. Ground circuit continuity is vital for [...]

xiv 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce W arning s and Cautions CAUTION ! T ra ined perso nnel are ad vised to e xercise g reat care at all times when workin g on the uni t. Remember to: ◆ Remove rings, w atches, or other jewelry and ne ckties befo re you begin any procedures . ◆ Use cautio n near any movin g part and a[...]

About DAE2 Disk Enclosures 1-1 1 Invisible Body T ag T opics in this cha pter include ◆ Intro duction ................. ........... ................. ........... ................. ........... .... 1-2 ◆ Link Contr ol Cards ( LCCs) .............. ............ ................. ........... ......... 1-7 ◆ Disk Modules .................... .....[...]

1-2 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce About D AE2 Disk Enc losur es Intr oduction The DAE2 (2-gig abit disk-array en closure) is a highly ava ilable, high-performance, high-capacity storage system that uses a Fibre Channel Arbi trated Loo p (FC-AL) as its inter connect i nterface. An enclosu re con nects to anot her DAE2 [...]

Introduction 1-3 About D AE2 Dis k Enc losu res Any DAE2 can suppo rt up to fifteen 3.5-in ch disk mo dules. Simple serial cabling provides easy scalability . Y o u can interconnect as ma ny as eight DA E2s to Fibre Channel loo ps (sometimes ca lled busse s ) to form a lar ge disk storage s ystem. The number of loops depends on the capabiliti es of[...]

1-4 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce About D AE2 Disk Enc losur es called comp one nt -n ame A o r component-name B, as shown in the illustratio ns. For inc rease d clarity , the follow ing figur es depict the disk enclosur e outsid e of the ra ck ca binet. Y our disk en closur e may be ins talled in a rack mount cabin e[...]

Introduction 1-5 About D AE2 Dis k Enc losu res Figure 1-3 Disk Enclos ure R ear View As shown in F igure 1-3 and F igure 1-4, an enclosu re addre ss (EA) switch/in dicator is locat ed between the power supplies at t he rear of the disk enclosure. (The EA is sometimes ref erred to as an enclosure ID.) Each link control car d (LCC) includes a loop ([...]

1-6 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce About D AE2 Disk Enc losur es The enclos ure addr ess is set on the sw itch at installati on. Disk m odule IDs are number ed left to rig ht (looking at the fr ont of the unit) and ar e contiguous throughout an arra y: encl osure 0 cont ains mo dules 0-14 ; enclos ure 1 contai ns modul[...]

Lin k Contr o l Card s (LCC s) 1-7 About D AE2 Dis k Enc losu res Link Contr ol Cards ( LCCs) An LCC supports and con trols one Fibre Channel loop an d monito rs the DAE2. Figure 1-6 LCC Connectors and LEDs The LCCs in a DAE2 ar e connected to other Fibre Chan nel devices (hosts, DAE2s, and so on) using twin-axial copper cab les. The cabling is not[...]

1-8 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce About D AE2 Disk Enc losur es A latch on the LCC locks it into place to ensure proper connection to the midplane. Y ou can add or r eplace an LCC while the disk enclosure is power ed up. Disk Mod ules Each disk module consists of one disk dr ive in a carri er . Y ou can add or r emove[...]

P o wer Supply/ System Cool ing Mo dules 1-9 About D AE2 Dis k Enc losu res The latch holds the disk module in place to ensur e pro per connection with the midplane. Di sk drive Activity/F ault LEDs are integrated into the carrier . P o w er Supply/System Cooling Mo dules The power supply/s ystem coolin g (power/coo ling) modules a re located above[...]

1-10 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce About D AE2 Disk Enc losur es power supply /system co oling module in a D AE2 wh ile th e system is powered up.[...]

Installing a DAE2 2-1 2 Invisible Body T ag This chapter desc ribes the DAE2 insta llation requirements and proce dures. Major topics ar e ◆ Requirem ents .................... ............ ................. ........... ................. ......... 2-2 ◆ Installing a Disk Enclosure in a Cabinet ..................... ................ .... 2-3 ◆ [...]

2-2 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Installing a D AE2 Requirem ents This section explain s site and cabling requirements. Site Requir ements For proper ope ratio n, the insta llation site mu st confor m to cert ain environmental specificatio ns. These are detailed below and in Appendix A. Power T o determ ine a DAE2’[...]

Installing a Di sk Enclo sure in a Ca binet 2-3 Installing a D AE2 EMC sup por ts an d can prov ide 1- , 5-, and 10- mete r cab les. The 5- an d 10-meter cab les ar e equalized. Interconnections between disk enclosures should maintain LCC consistency; that i s, one Fibre Channel (FC) loop sh ould interconnect all and only the LCC As, an d the other[...]

2-4 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Installing a D AE2 Das Gehäuse ist schw er und sollte nur von zwei Personen in einem Rack installiert werden. Zur V ermeidung von kö rperlichen V er letzung en und/oder der B eschädigun g des Gerätes, bit te das Gehäuse nicht ohn e die Hilfe einer zw eiten Person an heben und ein[...]

Setting Up an Installed Disk Enclosure 2-5 Installing a D AE2 CAUTION ! The drives r ead their F C-AL physical addre ss only at power up or when the d rive is r eset. T o avoid losing data, you must set the enclosure address when power is of f ; you cannot change the EA while powe r is on. 1. Set the enclosur e addr ess to the desir ed value, as sh[...]

2-6 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Installing a D AE2 Figure 2-2 Plugging in the ac Line Cord Highly ava ilable, write-cachi ng configu rations require that you connect the first disk enclosure ( EA 0, loop 0) to a Standby Power Supply (SPS) for enclosure power . If you do connect a DAE2 to an SPS (if, for example, the[...]

Setting Up an Installed Disk Enclosure 2-7 Installing a D AE2 Figure 2-3 Connecting D AE2 Pow er Cord s 3. Repeat s teps 1 and 2 for each di sk enclosu re in the cabi net, as necess ary . EMC2 31 4 D AE2 D AE2 D AE2 D AE2 Po w e r Switch D AE2 SPS A Po w e r Supply A Po w e r Supply B SPS B Circuit Break er Po w e r S w i t c h S P S B Po w e r S w[...]

2-8 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Installing a D AE2 4. Attach the copper cable from the external device (storage processor or another DAE2) to the PRI conn ector as show n in Figure 2-4. If you are continuing the loop to another DA E2, attach a cable from the EXP connector to the PRI connector in the next DAE2. Figur[...]

Setting Up an Installed Disk Enclosure 2-9 Installing a D AE2 Figure 2-5 Cabling Disk Enclosures T og ether — Standard Conf iguration All DAE2 conf iguration s follow the same primary -to-expansio n connection principles. For example, Figure 2-6 shows two segregated loops connecting contiguous disk enclosures. EMC2311 SP B SP A BE0 BE1 BE0 BE1 EX[...]

2-10 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Installing a D AE2 Figure 2-6 Cabling Disk E nclosures T ogether — Segregated Loop Conf iguration EMC2351 SPS B SP B SP A EA4/Loop 0 EA4/Loop 1 EA3/Loop 0 EA3/Loop 1 EA2 /Loo p 0 EA2 /Loo p 1 EA1 /Loo p 0 EA1 /Loo p 1 EA0/Loop 0 EA0/Loop 1 SPS A PRI EXP LCC A LCC B Loop 1 Loop 0 Lo[...]

P o werup and Initialization 2-11 Installing a D AE2 6. For proper cooling and normal operatio n, make sure all the disk module slots in each disk enclosure co ntain either disk or filler modules. Do not pow er up a d isk enclosu re w ithout a t least o ne LCC inst alled. Y ou can configu re a dr iveless disk enclosur e within a Fibr e Channel l oo[...]

2-12 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Installing a D AE2 Binding Disk Modules into RAID Groups After cabling the disk enclosure, use EM C ControlCenter ™ Navisphere ® Manager software to bind the disks in to RAID groups. Refer to the EMC Co ntr olCe nter N avisp her e Ma nager R evi sion 6. X Adm inis trato r ’ s Gu[...]

Servicin g a D AE2 3-1 3 Invisible Body T ag nvisible This chapter descri bes how to monito r disk enclosure status, handle FRUs, and repla ce or add a Field Re placeable Unit (FRU). T opics ar e ◆ Monitoring Disk Enclosur e Status ......................... ........... ............... 3-2 ◆ Handling FRUs ............................. ..........[...]

3-2 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Monitoring Disk Enc losure Status Status lights on the DAE2 and its FRUs indicate error conditions. These lights are visible outside the disk enclosur e. Some lights ar e visible from the fr ont, and th e others fr om the back. Figures 3-1 thr ough 3-4 an d T ables [...]

Monitor ing Disk Enclosure Status 3-3 Ser vicing a D AE2 Figure 3-2 shows the enclosur e addres s and loop ID indicators, visible from the back of th e enclosure. Ta b l e 3 - 1 Status Lights V isible fr om the Front of the Disk Enc losure Light Qua ntity Color M eani ng Disk Enc losure P ower 1 Green P o wer to en closure is on. Disk Enclo sure F [...]

3-4 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Figure 3-2 Enclosure A ddress and Loop ID Indicators T able 3-2 describes the ID indi cators. Figure 3-3 shows the st atus LEDs for th e power/cooling mo dules. Figure 3-3 Po w er Supply/System Cooling Module St atus Indicators EMC2167 Enclosure Address + _ 0 0 1 2 [...]

Monitor ing Disk Enclosure Status 3-5 Ser vicing a D AE2 Figure 3-4 show s the statu s LEDs for the link control cards. Figure 3-4 LCC Status LEDs T able 3-3 d escribes the stat us LEDs visibl e from the rear of the disk enclosure. If the disk enclosure Fault light is on, examine the other status lights to determine wh ich FRU(s) is f aulty . If a [...]

3-6 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 When a r edund ant FRU fails, high ava ilability w ill be comp rom ised until you repla ce the faulty FR U. Handling FR Us This sec tion des cri bes th e pr ecauti ons th at y ou mu st ta ke and t he general procedures you must fol low when removing, insta lling, an[...]

Handling FRUs 3-7 Ser vicing a D AE2 ◆ Do not r emove re placement or upgrade FRU s fr om their antistatic packaging until yo u are ready to install th em. ◆ Gather together the ESD kit and all ot her materials you wi ll need befor e you service a disk enclosur e. Once servicing begins, you should avoid moving aw ay from the wo rk site; otherwi[...]

3-8 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Prec aution s When Remo ving, Inst al ling, or S toring FRUs Use the pr ecautions listed below when you remove, handle, or stor e FRUs: ◆ Do not remove a f aulty F RU unt il you have a rep lace me nt avail abl e. ◆ Handle a FRU only when using an ES D wristban d[...]

Repl aci ng or Ad ding a Di sk Modu le 3-9 Ser vicing a D AE2 Replacing or Adding a Disk Module CAUTION ! Disk modules ar e ext remely sensi tive electro nic componen ts. Always handle a disk module gently , and observe the following guid elines : ◆ Always replace a disk driv e with anot her of the same model; do not mix Fibr e Channel and A T A [...]

3-10 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Unlocking and Remo ving the Front Bezel Follow thes e steps to remove the fr ont bezel and gain access to th e disk modu les. Refer to Figure 3-5. 1. Insert the key that shipp ed with your enclosu re into the bezel lock, and turn it to release the lock. 2. Press th[...]

Repl aci ng or Ad ding a Di sk Modu le 3-11 Ser vicing a D AE2 Removing a Disk Filler Module Locate the slot wh ere you want to install th e disk module, an d remove the filler module , as shown in Figure 3-6. Figure 3-6 Remo ving a Disk Filler Module (F C Disk Carrier Shown) Skip to the disk installation procedure (Page 3-12) to install th e add-o[...]

3-12 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 2. If th e active li ght is on steadily , pull the lat ch, and slowly pull the module about 1 in (3 cm) from its slot. W ait 30 secon ds for the disk to stop spinning. Then r emove the module and place it on a padded, static-fr ee surface. If the active light is o [...]

Repl aci ng or Ad ding a Di sk Modu le 3-13 Ser vicing a D AE2 Figure 3-8 Installing a Disk or Filler Module (FC D isk Carrier Shown) The disk module’s Active light flas hes to reflect the disk’s spin-up sequence. 4. Remove and store the ESD wristband and contin ue to the next section to ins tall the front bezel. EMC2211[...]

3-14 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Inst al ling and L oc king the Fr ont Bezel Refer to Figure 3-9 as yo u do the followin g: 1. Align the bez el with the dis k enclosure. 2. Gently push th e bezel into pl ace on the cabinet until it latches. 3. Secure the bezel by turning the key in the lock. Figur[...]

Replacing an LCC Module 3-15 Ser vicing a D AE2 Replacing an LCC Module CAUTION ! Handle an LCC gently and use an ESD wristba nd. Do not remove a faulty LCC until you have a replacement module availa ble. A DAE2 m ust have at least on e LCC instal led whi le it is pow ere d up. Do not rem ove both LCCs while t he disk en closur e is power ed u p. A[...]

3-16 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 2. T urn the latch counterclockwise to release the module, and then remove the LCC fr om its slo t, as shown in Fig ure 3-1 1 . Figur e 3-11 Remo ving an LCC Continue to the next sectio n to install the replacement LCC. Inst al lin g an LCC 1. Gently insert the LCC[...]

Replacing an LCC Module 3-17 Ser vicing a D AE2 Figur e 3-12 Installing an LCC The LCC Power light turns on. 2. T urn the latch clockwise to secure the module. The D AE2 LCC latch hold s th e mo dule in an est abli sh ed po siti on. I t do es not pull or otherw ise hel p to se at th e LCC. 3. Reattach the copper cables to the s ame connector from w[...]

3-18 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Figur e 3-13 Reconnecting a Copper Cable to an LCC 4. Remove and stor e the ESD wristband . The exam ple configur ation in Figur e 3-14 shows a g eneric CLARiiON ® storage pr ocessor enclos ure (SPE) below four DAE2 di sk-array enclosures . Note that the exte rnal[...]

Replacing an LCC Module 3-19 Ser vicing a D AE2 Figur e 3-14 Connecting Disk Enc losures T ogether with Copper Cable EMC2311 SP B SP A BE0 BE1 BE0 BE1 EXP EXP PRI PRI SPE EA1/Loop 0 EA1/Loop 1 EA0/Loop 0 Loop 1 Loop 1 Loop 1 Loop 1 Loop 0 Loop 0 Loop 0 Loop 0 Loop 0 Loop 0 EA0/Loop 1 L CC BL CC A[...]

3-20 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 Replacing a P o w er Supply/ System Cooling Module CAUTION ! Handle a po wer supply/system co oling module gently and use an ESD wristban d. Do not remove a power/cooli ng module until you have a r eplacement mo dule avai lable. If one powe r supply is of f and the[...]

Replacin g a P ower Supp ly/Sys tem Cooling Mod ule 3-21 Ser vicing a D AE2 2. T urn the latch counterclockwise to release the module, and then remove the power/cooling module as shown in Figure 3-16 . T o protect a r unning syst em fr om over heating , the enclosu re w ill time out unle ss you r eplace the power/ cooling m odule wi thin tw o minut[...]

3-22 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce Ser vicing a D AE2 4. T urn the latch clockwise to secure the module. The latch holds the power/cool ing module in an est ablished po sition. It does no t pull or otherwise help to seat th e module. 5. Plug the ac power cord into the new su pply , and turn on the power supply as show[...]

T echnical Specifications A-1 A Invisible Body T ag Body T ag This appendix desc ribes the disk enclosure technical specifications, operating limits, a nd shipping an d storage requirements. Major topics are ◆ Enclosure Specifications ......................... ........... ................. ........... ... A-2 ◆ Operating Limits ... ............[...]

A-2 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce T echnical Specifications Enclosure Specifications T echnical encl osure specifications include po wer requir ements, size, drive, interfa ce, and stan dar ds informatio n. Ac P o w er Requiremen ts The input curre nt, power (V A), and dissipation per DAE2 ar e based on the r equi rem[...]

Enclosure Specif i cations A-3 T echnical Specif ications Size and W eight Drive Type The DAE2 uses 3.5 -inch (8.75 cm) by 1.0-in ch (2.54 cm) disk drives. Standard, Fibre Channel vers ions are 12- volt, and support the Fibr e Channel i nterface. A T A versions ar e 12- and 5-vo lt and support the ATA - 6 i n t e r f a c e . Each drive slot pro vid[...]

A-4 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce T echnical Specifications Standards C ert ification and C ompliance Rackmount disk enclosures are tested and certified for compliance with the interna tional en vironmental and safet y specifications li sted below and marked to indicate such compliance and certification as req ui re d[...]

Oper a ti ng Li mi ts A-5 T echnical Specif ications Operating Limits The ambient temperature specification is measured at the fr ont bezel inlet. The site must have air con ditioning of th e corr ect size and placement to maintain the specified ambient temperatur e range. The air condition ing must be able to handle the BTU requirements of the dis[...]

A-6 2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce T echnical Specifications[...]

2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference i-1 A ac power cord attaching to power supply 3-22 removing from power supply 3-20 ac power , current draw A-2 Acti ve light LCC 3-5 power supply 3-5 adding disk modu le 3-9 LCC 3- 15 power supply 3-20 B batter y , di spo sing of saf ely x iv binding RAID gr oups 2-1 2 C cabin et, installi[...]

2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce i-2 Index Docu ment at ion, related x drive carrier desc riptio n 1-8 E EA (enclo sure addr ess) indicat or 3-4 requirements 2-4 setting 2-5 EA indicat or 3-4 electromagne tic interferen ce (EMI) shield 1-6 standar ds certif ication/com pliance A -4 electr os tatic d ischa rge (ESD) , avo[...]

i-3 2-Giga bit Dis k-Array Enc losure (DAE2) Hardware Reference Inde x P power issues a nd FRUs 3-6 overview 2 -2 power supply adding 3-20 attac hing ac pow er cord 3-22 description 1-9 remo ving, ac powe r cord 3-20 replac ing 3-20 statu s ligh ts Active 3- 5 Check 3-5 Cooling Check 3-5 turning off 3-20 turn ing o n 3 -22 powering d own DA E2 3-6,[...]

2-Giga bit Disk -Array Enc losure (DAE2) Hardware Referen ce i-4 Index[...]