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Operating Systems AIX changing Physical Partition (PP) Post 302344149 by zxmaus on Friday 14th of August 2009 05:16:01 PM
Old 08-14-2009
Hi,

your ppsize is too small - since you can have only 1016 pps on a physical disk normally, you would need a pp size of 64.

The clean way would be to restore the system from mksysb via a nimserver - the ppsize should be automatically set to 64. Since your box is so old and you maybe don't want to do this kind of restore, you could try it with a simple
Code:
chvg -t 4

- this works if your metadata doesnt need to be changed and you don't have stale partitions and allows you to have 4 x 1016 = 4064 pps on a disk but it comes with the price that you can only have max 4 disks in rootvg afterwards.

Kind regards
zxmaus
 

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vgrestore(1M)															     vgrestore(1M)

NAME
vgrestore - restore a VxVM disk group back to an LVM volume group SYNOPSIS
/etc/vx/bin/vgrestore vg_name DESCRIPTION
The vgrestore command restores a Logical Volume Manager (LVM) volume group that was previously converted to a VxVM disk group by the vxvm- convert utility. ARGUMENTS
vg_name Specifies the name of a volume group that was converted to a VxVM disk group by the vxvmconvert utility. EXIT CODES
vgrestore exits with one of the following values: 0 Successful completion. >0 Failure; an error occurred. WARNINGS
vgrestore functions only on VxVM disk groups that were converted from LVM volume groups by the vxvmconvert command. It is a good idea to back up user data before running vgrestore, and restore it after the vgrestore completes, as vgrestore can only restore a logical volume back to the state it was in before conversion to VxVM. If data changed on the volume while it was a VxVM volume, the changes won't be reflected on the volume after being restored to LVM. As part of the original conversion process, applications that once referenced the now-converted LVM volume's path names may have changed to reference VxVM volume special device file names. Alternatively, special device file path names originally representing the now-converted LVM volumes may have changed to symbolic links pointing to the VxVM volume path names. Be sure to undo these actions when restoring back to LVM. Do not use vgrestore unless you are certain that you want to restore LVM volume groups. After vgrestore this is run, the VxVM disks will no longer exist. EXAMPLES
To restore the LVM volume group vg03 that was converted by vxvmconvert to the VxVM disk group dg03, enter: vgcfgrestore vg03 SEE ALSO
vxvmconvert(1M) Veritas Volume Manager Migration Guide VxVM 5.0.31.1 24 Mar 2008 vgrestore(1M)
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