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Chapter 30. System backup and recovery
Attention:
including applying or installing unauthorized service packs or updates to preinstalled
software, or installing additional unsupported software products that are not
included in the preloaded image, or on the Supplementary CD-ROM might not be
supported and could cause unpredictable results. For updated compatibility
information, visit the following Web site:
http://www.ibm.com/servers/storage/support/
To correct problems with preloaded software components, back up your user and
system data. Then, use the NAS Gateway 500 System Software Recovery
CD-ROM set to restore the preloaded software image to its original state.
The NAS Gateway 500 provides several means for system recovery, such as
system snapshot, TSM, and the mksysb and mknasb commands. Depending on
the environment and requirements the system administrator should use mksysb or
TSM in their periodic maintenance operations for system recovery. This section
provides details in using the mksysb for creating a system backup for the NAS
Gateway 500 System Software.
Save or restore hardware management policies
To reach this service aid, enter the diag command using the CLI, and then select
the Task Selection option from the FUNCTION SELECTION menu.
Use this service aid to save or restore the Service Processor settings such as Ring
Indicate Power-On Policy, Surveillance Policy, Remote Maintenance Policy and
Reboot Policy. The following options are available:
v Save Hardware Management Policies
v Restore Hardware Management Policies
You can access this service aid directly from the command line, by typing:
/usr/lpp/diagnostics/bin/uspchrp -a
System recovery using mksysb
A system backup is a copy of the root volume group (rootvg) of your system and is
often referred to as a mksysb, in reference to the command used to create the
system backup. The root volume group contains the following:
v Startup commands
v Base operating system commands and files
v System configuration information
v Optional software products
The mksysb backs up all JFS2 (Enhanced Journaled File Systems) mounts in the
rootvg Volume group. Paging space and logical volume information are saved so
© Copyright IBM Corp. 2004
Changing the preloaded software configuration of this product,
This selection writes all of the settings for the hardware-management policies to
the following file: /etc/lpp/diagnostics/data/hmpolicies.
This selection restores all of the settings for the hardware-management policies
from the contents of the following file: /etc/lpp/diagnostics/data/hmpolicies.
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