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Re: [Xen-users] Hot resizing xfs domU.

On Tue, Mar 09, 2010 at 04:26:34PM +0100, Guy Roussin wrote:
> Hi,
> With xen (lenny), I created my domU on LV. I create
> domU in xfs (/).
> And i can hot resize domU :
> On dom0, the 'lvresize-L +1 G mylv' goes well (clvm)
> But in the domU (mylv) 'xfs_growfs /dev/xvda2'
> has no effect: the domU has not yet taken
> aware of the expansion of its disk. I need to reboot
> the domU ...
> Is there a chance to make hot resizing the domU?

Xen currently doesn't have support for online resizing domU disks [1].

You could add another new disk to the domU though, on the fly, and then
if you use LVM also in the domU, you could pvcreate+vgextend there online..

-- Pasi

[1] I've been working on adding support for it, but it's not ready yet,
and I don't currently have much time for it.

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