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Re: [Xen-devel] Xen domU xvd disk online resize support / HVM guests

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen domU xvd disk online resize support / HVM guests
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 9 Sep 2008 13:05:51 +0300
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On Tue, Sep 09, 2008 at 11:40:14AM +0300, Pasi Kärkkäinen wrote:
> On Tue, Sep 09, 2008 at 08:20:09AM +0100, Keir Fraser wrote:
> > 
> > 
> > On 8/9/08 17:16, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:
> > 
> > >> 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.
> > >> 
> > > 
> > > Understood. Might be a nice new feature for Xen 3.4 ?
> > > 
> > > Vendors can add/patch support for that if they feel like it.. ?
> > 
> > It would be a nice feature. I'll add it to the to-be-looked-into list.
> > 
> >  -- Keir
> > 
> 
> Ok. Thanks!
> 

In addition to pure PV guests, online resizing should be possible for 
HVM guests with PV-on-HVM drivers (supporthing this) installed.. ?

How about pure HVM guests with only emulated disks and no PV drivers.. 
is online resizing possible there? 

-- Pasi

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