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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.
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.
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.
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.
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 E.
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.
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.
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.
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.
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 sta.
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.
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.
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.
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 F.
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.
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.
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.
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.
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.
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.
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 .
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 .
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.
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 b.
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 failu.
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