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Full Discussion: mksysb restoration using NIM
Operating Systems AIX mksysb restoration using NIM Post 302411100 by juredd1 on Wednesday 7th of April 2010 03:12:06 PM
Old 04-07-2010
I think I only have one other thought. bakunin suggested installing on some spare hardware and taking down the production machine to avoid duplicate IP address after the spare hardware comes up.

I have done the same thing here but placed the spare hardware on a different VLAN than the production hardware. Setup a temp hostname in the /etc/hosts file, such as unixtest and given it an unused IP from the other VLAN. Create a new host within NIM called unixtest. Then you should be able to leave the current production up because after the install finishes on test hardware even when the production IP is placed on test hardware it will not be detected since it will be on a different VLAN.

Then you can get in through the console, HMC, etc..... to change the IP to a usable one for that VLAN. Just be cautious about crontab entries on the test machine running and doing things you don't want them to.
 

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LEARN ABOUT SUSE

vgcfgrestore

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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