Re: [Xen-users] Updating DomUs kernels

[Martin Gombac( <martin@xxxxxx>]

Hi,

i don't think CentOS 5.4 pvgrub/pygrub support drbd disk which is 
essential for my HA cluster with non interruptive failover. Will look 
into it.
Regards,
M.

Fajar A. Nugraha wrote:
> On Mon, Nov 30, 2009 at 9:36 PM, Martin Gombac( <martin@xxxxxx> wrote:
>
> > kernel = "/bootvirts/vmlinuz-2.6.26-2-xen-amd64"
> > ramdisk = "/bootvirts/initrd.img-2.6.26-2-xen-amd64"
> > disk = ['drbd:r0,sda1,w']
> > root = "/dev/sda1 ro"
> >
> > What i'm wondering now is, how the kernel updating will work or how it's
> > supposed to work? User of this virtual machine will be able to update the
> > kernel on drbd device (in his virtual machine) but not in /bootvirts/ on
> > Dom0, as it's not accessible from within virtual machine. Or am I mistaken?
> ... and that is exactly why by default RHEL/Centos uses pygrub :)
> With pygrub/pvgrub, domU kernel is located on domU filesystem, so that
> users can update it themselves.
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