[linux-lvm] Question about Physical volume

[Bryn M. Reeves]

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Thomas Marmetschke wrote:
> Hi,
> 
> is it possible to extend a phyiscal volume?
> 
> I have a strange problem, i resized the /dev/sda4 partion (8e Linux LVM)
> from 130GB to 220GB. so far so good.
> 

Hi Thomas,

Depending on how recent your version of LVM2 is, you can use pvresize to
do this:

# pvresize /dev/hda2

This will autodetect the new size of the PV and grow it accordingly. One
thing I noticed was that after fdisking the partition, a reboot was
needed to get kernel to see the new size - partprobe does not seem to be
sufficient.

That might have been a quirk though - check the partition sizes in
/proc/partitions to be sure.

Thanks,

Bryn.

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