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xen-devel
Re: [Xen-devel] Xen domU xvd disk online resize support
On Mon, Sep 08, 2008 at 04:36:27PM +0100, Keir Fraser wrote:
> On 6/9/08 13:42, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:
>
> > Hello list! (resending, it seems the previous mail didn't make it to the
> > list)
> >
> > At some point Xen supported block-reconfigure to resize domU disks on the
> > fly..
> > This is not working atm/anymore?
>
> 'xm block-configure' has only ever worked for changing the backing
> file/partition for a CD-ROM virtual disc attached to an HVM guest. Quite a
> specific set of assumptions!
>
Ok..
> It has certainly never allowed online resizing of VBDs to PV guests, and the
> block protocol to PV guests currently does not support that operation. Thus
> it would require changes in vendor Xen kernels to support it.
>
> -- Keir
Understood. Might be a nice new feature for Xen 3.4 ?
Vendors can add/patch support for that if they feel like it.. ?
-- Pasi
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