Re: [Xen-users] DomU guest - resize disk on LVM?

["Christopher G. Stach II" <cgs@xxxxxxxxx>]

Robin Bowes wrote:
> I'm looking for help in resizing an LVM2 PV
>
> I'm using a logical volume as a "disk" for a Xen guest. e.g.
> /dev/vg01/lv_bah_vm appears to the Xen guest as /dev/xvda
>
> Inside the Xen guest, I also use LVM to partition the disk.
> I create a /boot partition (/dev/xvda1) and assign the rest (/dev/xvda2)
> to an lvm Physical Volume. I then create an lvm Volume Group consisting
> of this PV, and add logical volumes as required. All fairly standard
> stuff...
>
> However, I want to add more disk space to this virtual machine.
>
> I can increase the size of the under-lying logical volume
> (/dev/vg01/lv_bah_vm) e.g increase it from 10GB to 15GB. But, even
> though I've resized the under-lying LV, the PV in the Xen guest is still
> only 10GB.
>
> How do I get the PV inside the Xen guest to reflect the increased size
> of the under-lying disk, i.e. appear to be 15GB?
>
> Thanks,
>
> R.
If it's ext2 or ext3, run fsck and resize2fs while it's not mounted.

--
Christopher G. Stach II

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