On Thu, Jul 09, 2009 at 02:17:24PM +0300, Pasi Kärkkäinen wrote:
> On Thu, Jul 09, 2009 at 08:11:09PM +1000, James Harper wrote:
> > I'm investigating what would be required for a DomU's block device to be
> > resized (well... grown at least) without having to reboot the DomU.
> > 
> > Does the commercial product support this?
> > 
>
> This has been discussed here a couple of times, and it's also a feature
> request for Xen 4.0.
>
> I don't think it would be a lot of code to support this.. the upstream Linux
> kernel already supports SCSI disk online resizing. Also RHEL 5.3 kernel 
> supports
> online SCSI disk resizing.
>
> Earlier thread:
> http://lists.xensource.com/archives/html/xen-devel/2008-09/msg00158.html 
>
James: You might have enough knowledge of Xen internals to add support for
vbd resize to Xen hypervisor/tools :)
Then the next step would be to support it in domU kernels/drivers.
-- Pasi
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