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Full Discussion: Migrate AIX to new Hardware
Operating Systems AIX Migrate AIX to new Hardware Post 303022635 by bakunin on Tuesday 4th of September 2018 06:26:05 PM
Old 09-04-2018
Quote:
Originally Posted by System Admin 77
After installing OS, will restore these datavg's and appvg on respective servers (original existing LPARs will be offline during this time).

After save vg restore on new Database LPAR, Do you recommend us to merge datavg's into one scalable vg (using lvm commands) ?
You cannot "move LVs across VGs", at least not with LVM commands. My suggestion is: do a file-based backup, not a savevg. Then create the new scalable VG on the new system, create LVs (and of course FSes) as needed and restore to these LVs/FSes. This is a simple and straightforward approach.

I hope this helps.

bakunin
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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 2.02.95(2) (2012-03-06) VGCFGRESTORE(8)
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