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Operating Systems AIX backup & restore a volume group Post 302359515 by donybangetgitu on Tuesday 6th of October 2009 08:53:07 PM
Old 10-06-2009
backup & restore a volume group

Dear All,

I would like to ask about saving & restoring a user defined volume group. i have a user defined volume group, named as datavg. i want to save it & to restore it into different size of physical volume. currently, datavg consist of 4 pv, three fisrt pv size are 100GB & one pv size is 150GB. if i want to restore saved datavg into 4 pv that it each size 100GB, will problem occur? or any consideration to save & to restore my user defined vg? additional info, datavg is 70% used. pls advice.

Thanks

Dony Prasetyo
AIX System engineer
 

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VGCFGRESTORE(8) 					      System Manager's Manual						   VGCFGRESTORE(8)

NAME
vgcfgrestore - restore volume group descriptor area SYNOPSIS
vgcfgrestore [-d|--debug] [-f|--file filename] [-l[l]|--list] [-h|--help] [-M|--Metadatatype1|2] [-t|--test] [-v|--verbose] VolumeGroupName DESCRIPTION
vgcfgrestore allows you to restore the metadata of VolumeGroupName from a text backup file produced by vgcfgbackup. You can specify a backup file with --file. If no backup file is specified, the most recent one is used. Use --list for a list of the available backup and archive files of VolumeGroupName. OPTIONS
-l | --list -- List files pertaining to VolumeGroupName List metadata backup and archive files pertaining to VolumeGroupName. May be used with the -f option. Does not restore Vol- umeGroupName. -f | --file filename -- Name of LVM metadata backup file Specifies a metadata backup or archive file to be used for restoring VolumeGroupName. Often this file has been created with vgcfg- backup. See lvm for common options. REPLACING PHYSICAL VOLUMES
vgdisplay --partial --verbose will show you the UUIDs and sizes of any PVs that are no longer present. If a PV in the VG is lost and you wish to substitute another of the same size, use pvcreate --restorefile filename --uuid uuid (plus additional arguments as appropriate) to initialise it with the same UUID as the missing PV. Repeat for all other missing PVs in the VG. Then use vgcfgrestore --file filename to restore the volume group's metadata. SEE ALSO
lvm(8), vgcreate(8) Sistina Software UK LVM TOOLS 2.02.67(2) (2010-06-04) VGCFGRESTORE(8)
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