Re: [Xen-users] Partition Manager for Xen

[Joseph Glanville <joseph.glanville@xxxxxxxxxxxxxx>]

Do you have LVM running ontop of file backed images?
This can be done it's just very frustrating to do so...

It looks something like this:

First install kpartx

Then mount the image file as a loopback device (where loop0 is a free loopback device)
#losetup /dev/loop0 /path/to/image

Allow dom0 to see LVs on the image
#kpartx -av /dev/loop0

Run a vgscan:
#vgscan

Make the LVs active (where volgroup0 is the name of the volume group on the domU)
#vgchange -ay volgroup0

The LVs should now be accessible, you can list them using the standard tools and they should be visible in /dev/volgroup0
#ls /dev/volgroup0

Annoying but it works, I think that's about as pretty as you are going to get as a partition manager.

Joseph.

On 1 September 2011 19:07, Wendy William <kotakomputer@xxxxxxxxx> wrote:

Is there a Partition Manager Software which can run in Dom-0 but alter/manage
File Based VPS?
So, I can open dom-u-001.img then alter the LVM inside this image file.

 Regards, Wendy


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