BACKUP OF VG STRUCTURE :
You can backup the structure of any volume group so that the configuration data will be stored under /tmp/vgdata. This will be automatically done if you run backupios (and even the configuration data will be automatically backed up).
Here are some commands.
To backup the structure of datavg :
# savevgstruct datavg
To display a list of saved volume groups
# restorevgstruct -ls
To restore the structure of datavg on 2 available disks :
# restorevgstruct -vg datavg hdisk2 hdisk3
BACKUP OF USER-DEFINED VIRTUAL DEVICES :
You can take a backup of all the user-defined virtual devices using the viobr command. But it requires minimum VIOS level 2.1.2.0. Backup file includes logical devices like storage pools, SEA, virtual server SCSI/FC/Ethernet adapters, device attributes for disks, optical devices, tape devices, LHEA, ethernet devices/interfaces.
Here are some commands
To take a backup of user-defined virutal devices in an XML file :
# viosbr -backup -file filename
To view the backup information :
# viosbr -view -file filename
To restore the virtual device configuration :
# viosbr -restore -file filename
To validate the backup file :
# viosbr -restore -validate -file filename
BACKUP OF VO SERVER :
To perform backup on a tape media :
# backupios -tape /dev/rmt0
To perform backup on a DVD media :
# backupios -cd /dev/cd0 -udf
To perform backup on a DVD-RAM disk :
# backupios -cd /dev/cd0 -udf -accept
To take backup on a file (Creates a file called nim_resources.tar) :
# backupios -file /mnt
To perform mksysb backup :
# backupios -file /mnt/vioserver1.mksysb -mksysb
2 comments:
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It should be noted that you can't restore these backups on different hardware without some manual setup being required. A number of reasons for this I will not get into.
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