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Sun Microsystems 10000 manual

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  • Page 1

    Send comments about this document to: docfeedback@sun.com Sun™ Enter pr ise 10000 DR Configuration Guide P ar t No . 816-3630-10 May 2002, Re vision A Sun Microsystems, Inc. 4150 Network Circle Santa Clara, CA 95054 U .S .A. 650-960-1300[...]

  • Page 2

    Please Recycle Copyright 2002 Sun Microsystems, Inc., 4150 Network Cir cle, Santa Clara, CA 95054 U.S.A. All rights reserved. This product or document is distributed under licenses r estricting its use, copying, distribution, and decompilation. No part of this product or document may be repr oduced in any form by any means without prior written aut[...]

  • Page 3

    Sun Enterprise 10000 SSP Attributions: This software is copyrighted by the Regents of the University of California, Sun Microsystems, Inc., and other parties. The following terms apply to all files associated with the software unless explicitly disclaimed in individual files. The authors hereby grant permission to use, copy , modify , distribute,[...]

  • Page 4

    iv Contents Preface vi Before You Read This Book vi How This Book Is Organized vi Using UNIX Commands vii Typographic Conventions vii Shell Prompts vii Related Documentation viii Accessing Sun Documentation Online viii Sun Welcomes Your Comments ix 1. Conf iguring DR 1 DR Models 2 Enhancements in DR Model 3.0 3 Where to Execute DR Commands 3 Requir[...]

  • Page 5

    v Sun Enterprise 10000 DR Configuration Guide • May 2002 Overview of DR Configuration Tasks 6 ▼ T o Enable the Kernel Cage 7 ▼ T o Set Permanent Driver Parameters for Network Drivers 7 ▼ T o Enable Device Suspension for the soc and pln Drivers 8 ▼ T o Specify an Unsafe Driver List 8 ▼ T o Make an Unsupported T ape Device Detach-Safe 9 P[...]

  • Page 6

    vi Pr eface This guide describes the domain-side configuration of the Sun Enterprise 10000 server Dynamic Reconfiguration (DR) feature. For information about how to use these features, r efer to the appropriate document listed in “Related Documentation” on page viii. Befor e Y ou Read This Book This guide is intended for the Sun Enterprise 1000[...]

  • Page 7

    vii Sun Enterprise 10000 DR Configuration Guide • May 2002 Using UNIX Commands This document does not contain complete information on basic UNIX commands and procedur es such as shutting down the system, booting the system, and configuring devices. See the Solaris software documentation that you received with your system for this information. T y[...]

  • Page 8

    Preface viii Related Documentation Accessing Sun Documentation Online A broad selection of Sun system documentation is located at: http://www.sun.com/products-n-solutions/hardware/docs A complete set of Solaris documentation and many other titles are located at: http://docs.sun.com Application Title Part Number User Sun Enterprise 10000 Dynamic Rec[...]

  • Page 9

    ix Sun Enterprise 10000 DR Configuration Guide • May 2002 Sun W elcomes Y our Comments Sun is interested in impr oving its documentation and welcomes your comments and suggestions. Y ou can email your comments to Sun at: docfeedback@sun.com Please include the part number (816-3630-10) of your document in the subject line of your email.[...]

  • Page 10

    1 CHAPTER 1 Conf iguring DR This chapter describes key DR functionality and also guides you through the tasks for configuring DR. Y ou will find ■ Information on DR models ■ Details on getting started with DR configuration ■ An overview of DR configuration tasks ■ Prer equisite tasks to be completed before a DR detach operation ■ Details [...]

  • Page 11

    2 Sun Enterprise 10000 DR Configuration Guide • May 2002 DR Models There ar e two models of DR available for the Sun Enterprise 10000 system. DR model 2.0 is sometimes referred to as “legacy DR,” and DR model 3.0 is r eferred to as “next generation DR.” The following table shows the different versions of the Solaris operating environment [...]

  • Page 12

    Chapter 1 Configur ing DR 3 Caution – Before you switch to DR 3.0 in a domain that is running the Solaris 8 10/01 operating environment, you must upgrade the SSP software to version 3.5 because previous versions of SSP do not support DR 3.0 operations. For more information about using DR 2.0, see the the Sun Enterprise 10000 Dynamic Reconfigurati[...]

  • Page 13

    4 Sun Enterprise 10000 DR Configuration Guide • May 2002 ■ V erify that you have suff icient swap space for your domain. For details, see “Allocating Suff icient Domain Swap Space” on page 15. ■ Qualify any third-party device drivers, as described in “Qualifying Third-Party Device Drivers” on page 15. Device Pr erequisites DR requir e[...]

  • Page 14

    Chapter 1 Configur ing DR 5 Note – The drivers currently r eleased by Sun Microsystems that are known to be suspend-safe are: st , sd , isp , esp , fas , sbus , pci , pci-pci , qfe ,a n d hme (Sun FastEthernet™); nf (NPI-FDDI); qe (Quad Ethernet); le (Lance Ethernet); the SSA drivers ( soc , pln , and ssd ); and the Sun StorEdge A5000 drivers ([...]

  • Page 15

    6 Sun Enterprise 10000 DR Configuration Guide • May 2002 Overview of DR Conf iguration T asks This section identifies the various conf iguration tasks that you must complete before running DR operations on Solaris 9 domains (which support only DR model 3.0). Note that it may not be necessary to perform all the tasks described in this section, dep[...]

  • Page 16

    Chapter 1 Configur ing DR 7 For example, if you enabled the kernel cage, the following message is generated: ▼ T o Enable the Kernel Cage A caged kernel confines the nonpageable memory to a minimal (most often one) number of systems boards. By default the kernel cage is disabled, preventing DR detach operations. If you plan to perform DR detach o[...]

  • Page 17

    8 Sun Enterprise 10000 DR Configuration Guide • May 2002 ● If you want to set the driver configuration parameters permanently , set the parameters in the /etc/system file or the driver.conf f ile for a specific driver . ▼ T o Enable Device Suspension for the soc and pln Drivers If your system boards contain soc and pln devices, perform the fo[...]

  • Page 18

    Chapter 1 Configur ing DR 9 ▼ T o Make an Unsupported T ape Device Detach- Safe For the Solaris 9 operating environment, tape devices that ar e natively supported by Sun Microsystems ar e suspend-safe and detach-safe. For details, refer to the st (7D) man page for a list of natively-supported drives. If a system board to be detached contains a na[...]

  • Page 19

    10 Sun Enterprise 10000 DR Configuration Guide • May 2002 3. If you want to detach a board that hosts Sun StorEdge A3000 controllers, make those controllers idle or take them of fline manually using the rm6 or rdacutil programs. The Sun StorEdge A3000 (formerly known as the RSM Array 2000) has dual controller paths with automatic load balancing a[...]

  • Page 20

    Chapter 1 Configur ing DR 11 A failure to quiesce due to open suspend-unsafe devices is known as a forcible condition . Y ou have the option to retry the operation, or you can try to force the quiescence. The conditions that cause processes not to suspend ar e generally temporary in nature. Y ou can retry the operation until the quiescence succeeds[...]

  • Page 21

    12 Sun Enterprise 10000 DR Configuration Guide • May 2002 c. Disconnect the cables to the device. For example, if a device that allows asynchronous unsolicited input is open, you can disconnect its cables prior to quiescing the operating environment, preventing traff ic from arriving at the device and the device from accessing the domain centerpl[...]

  • Page 22

    Chapter 1 Configur ing DR 13 If no target boar d is found for a copy rename operation, the deleteboard (1M) and moveboard (1M) commands display the following error messages, respectively: Pr ocessors The boot processor is r esponsible for maintaining the netcon BBSRAM buffer . Before detaching a boar d on which the boot processor resides, DR assign[...]

  • Page 23

    14 Sun Enterprise 10000 DR Configuration Guide • May 2002 Remote DR Communication In Solaris 9 domains, the domain configuration server , dcs (1M), controls DR operations. ▼ T o T r oubleshoot a Connection Failure During a Solaris 9 (DR Model 3.0) Operation 1. Check the domain. dcs (1M) must be configur ed in the /etc/inetd.conf file of the dom[...]

  • Page 24

    15 Index A addboard(1M), 3 C cfgadm(1M), 3 commands addboard(1M), 3 cfgadm(1M), 3 deleteboard(1M), 3 moveboard(1M), 3 rcfgadm(1M), 3 showdevices(1M), 3 configuring swap space I/O contr ollers across boards, 5 connection, loss of, 14 D dcs(1M), 14 deleteboard(1M), 3 detach closing devices, 9 pageable memory and swap space during detach, 5 RSM 2000 a[...]

  • Page 25

    16 Sun Enterpr ise 10000 DR Configuration Guide • Ma y 2002 N network drivers, suspend-unsafe, 1 1 P pageable memory and swap space, during detach, 5 processors and detach, 13 Q quiescence, 4 failure r easons, 10 forcible conditions, 1 1 suspend-unsafe devices, 10 R rcfgadm(1M), 3 RPC timeout, 14 RSM 2000 and detach, 10 S showdevices(1M), 3 ST_U[...]