Milan,
Ah, I didn't realise one could use the pv_ column names
with the vgs utility.
That's much better.
Thanks,
steeve
Milan Broz wrote:
> Hi,
>
> this will not help for using in script ?
> (comma separated list of PVS & PV UUID in VG)
>
> vgs --separator , --noheadings -o pv_name,pv_uuid <vgname>
>
> Milan
> --
> mbroz@redhat.com
>
> Steeve McCauley wrote:
>> I would like to know if there is a canonical way to list the
>> physical volumes in a volume group, specifically to extract
>> the uuid for those PVs in a bash script. I am able to do
>> something along the lines of,
>>
>> PVS=$(vgdisplay -vv 2>&1 | grep "PV UUID" | awk '{print $3}')
>> PVUUID=$(pvs -o pv_uuid --noheadings /dev/sdx | awk '{print $1}')
>>
>> and then look for PVUUID in the list of PVS.
>>
>> for uuid in $PVS; do
>> [ "$uuid" != "$PVUUID" ] && continue
>> ...
>> done
>>
>> but this relies on the output format of 'vgdisplay -vv' and
>> I want to be sure that I will always get the expected result.
>>
>> Thanks,
>>
>> steeve
>>
>
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>
--
Steeve McCauley
Director of Research and Development
Rackable Systems
407 McGill Street, Suite 1002
Montreal, Quebec, H2Y 2G3 (Canada)
Tel: 514-288-3343
http://www.rackable.com
:wq
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