Sun Microsystems Sun Enterprise 10000 Configuration Manual
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Summary of Contents for Sun Microsystems Sun Enterprise 10000
- Page 1 Sun™ Enterprise 10000 DR Configuration Guide Sun Microsystems, Inc. 4150 Network Circle Santa Clara, CA 95054 U.S.A. 650-960-1300 Part No. 816-3630-10 May 2002, Revision A Send comments about this document to: docfeedback@sun.com...
- Page 2 Enterprise Volume Manager, Sun StorEdge, Sun Ultra, OpenBoot, Solaris, and UltraSparc are trademarks, registered trademarks, or service marks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc.
- 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.
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Page 4: Table Of Contents
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 Configuring DR 1 DR Models 2 Enhancements in DR Model 3.0 3 Where to Execute DR Commands 3... - Page 5 To Force a System Quiescence 12 Target Memory Constraints 12 Processors 13 Network Devices 13 Remote DR Communication 14 To Troubleshoot a Connection Failure During a Solaris 9 (DR Model 3.0) Operation 14 Sun Enterprise 10000 DR Configuration Guide • May 2002...
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Page 6: Preface
Before You Read This Book This guide is intended for the Sun Enterprise 10000 system administrator who has a working knowledge of UNIX® systems, particularly those based on the Solaris™ operating environment. If you do not have such knowledge, first read the Solaris user documentation provided with this system, and consider UNIX system administration training. -
Page 7: Using Unix Commands
To delete a file, type rm filename. variables with real names or values. Shell Prompts Shell Prompt C shell machine-name% C shell superuser machine-name# Bourne shell and Korn shell Bourne shell and Korn shell superuser Sun Enterprise 10000 DR Configuration Guide • May 2002... -
Page 8: Related Documentation
Application Title Part Number User Sun Enterprise 10000 Dynamic 816-3627 Reconfiguration User Guide Sun Enterprise 10000 SSP 3.5 User Guide 806-7613 System Administration Guide: IP Services 806-4075 Sun StorEdge Traffic Manager Software 816-1420 Installation and Configuration Guide Sun Enterprise 10000 InterDomain... -
Page 9: Sun Welcomes Your Comments
Sun is interested in improving its documentation and welcomes your comments and suggestions. You 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. Sun Enterprise 10000 DR Configuration Guide • May 2002... -
Page 10: Configuring Dr
C H A P T E R Configuring DR This chapter describes key DR functionality and also guides you through the tasks for configuring DR. You will find Information on DR models Details on getting started with DR configuration An overview of DR configuration tasks Prerequisite tasks to be completed before a DR detach operation Details on the configuration changes that occur during DR detach operations and how to control certain conditions when a detach operation is in progress... -
Page 11: Dr Models
DR Models There are 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 referred to as “next generation DR.” The following table shows the different versions of the Solaris operating environment and the SSP software that are used with DR models 2.0 and 3.0:... -
Page 12: Enhancements In Dr Model 3.0
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 Reconfiguration (DR) User Guide (part number 806-7616-10). For more information about using DR 3.0, see the Sun Enterprise 10000 Dynamic Reconfiguration (DR) User... -
Page 13: Device Prerequisites
If a system quiescence is required for a DR detach operation, you must manually suspend a suspend-unsafe device so that the quiescence can occur. For details, see “To Manually Suspend a Suspend-Unsafe Device” on page 111. Sun Enterprise 10000 DR Configuration Guide • May 2002... -
Page 14: Allocating Sufficient Domain Swap Space
Note – The drivers currently released by Sun Microsystems that are known to be suspend-safe are: st, sd, isp, esp, fas, sbus, pci, pci-pci, qfe, and 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 (sf, socal, and ses). -
Page 15: Overview Of Dr Configuration Tasks
For details, see “To Specify an Unsafe Driver List” on page 18. If you have tape devices that are not supported by Sun Microsystems, make those devices detach-safe. For details, see “To Make an Unsupported Tape Device Detach-Safe” on page 3. -
Page 16: To Enable The Kernel Cage
For example, if you enabled the kernel cage, the following message is generated: NOTICE: DR Kernel Cage is Enabled To 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. -
Page 17: To Enable Device Suspension For The Soc And Pln Drivers
10000/kernel/drv/ngdr.conf file and specify suspend-unsafe device drivers as shown below: unsupported-io-drivers=”driver1”,”driver2”,”driver3”; where driverx represents each suspend-unsafe device driver. 2. After all DR configuration tasks are complete, reboot the domain so that this configuration can take effect. Sun Enterprise 10000 DR Configuration Guide • May 2002... -
Page 18: To Make An Unsupported Tape Device Detach-Safe
For the Solaris 9 operating environment, tape devices that are natively supported by Sun Microsystems are 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 natively-supported tape device, you can safely detach the board without suspending the device. -
Page 19: Configuration Changes During Dr Operations
If the Solaris operating environment cannot quiesce during a DR detach operation involving a board with nonpageable memory, it displays the reason why it cannot quiesce. For example,a suspend-unsafe device is open that cannot be quiesced by the operating environment. Sun Enterprise 10000 DR Configuration Guide • May 2002... -
Page 20: To Manually Suspend A Suspend-Unsafe Device
Note – It should be possible to unplumb all network drivers. However, this action is rarely tested in normal environments and may result in driver error conditions. If you use DR, Sun Microsystems suggests that you test these driver functions during the qualification and installation phases of any suspend-unsafe device. -
Page 21: To Force A System Quiescence
Caution – If you attempt a forced quiesce operation while activity is occurring on a suspend-unsafe device, the domain may hang. However, if the domain hangs, it will not affect other domains that are running on the Sun Enterprise 10000 system. To Force a System Quiescence Caution –... -
Page 22: Processors
If no target board is found for a copy rename operation, the deleteboard(1M) and moveboard(1M) commands display the following error messages, respectively: deleteboard: unconfigure SB2: No available memory target: dr@0:SB2::memory moveboard: unconfigure SB2: No available memory target: dr@0:SB2::memory Processors The boot processor is responsible for maintaining the netcon BBSRAM buffer. Before detaching a board on which the boot processor resides, DR assigns the boot processor role to another active (online) processor. -
Page 23: Remote Dr Communication
3. Check the /var/adm/messages file for possible error messages from inetd(1M) if it is having trouble starting dcs(1M). The dcs(1M) daemon executable file resides in the /usr/lib directory. 4. Try the DR operation again, starting from the beginning. Sun Enterprise 10000 DR Configuration Guide • May 2002... - Page 24 Index devices detach-safe, 4 addboard(1M), 3 detach-unsafe, 4, 11 preparing for detach, 9 suspend-safe, 4 suspend-unsafe, 4 disk swap space, and detach, 5 cfgadm(1M), 3 commands where to execute commands, 3 addboard(1M), 3 cfgadm(1M), 3 DR models deleteboard(1M), 3 2.0 model, 2 moveboard(1M), 3 3.0 model, 2 rcfgadm(1M), 3...
- Page 25 OS, 10 suspend-unsafe devices, manually suspending, 11 suspend-unsafe tape devices, 9 swap space, configuring for detach, 5 swap space, configuring I/O controllers across boards, 5 tape devices and ST_UNLOADABLE flag, 9 Sun Enterprise 10000 DR Configuration Guide • May 2002...
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