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Re: [Xen-users] Qcow utilities

On Fri, May 1, 2009 at 3:34 AM, Joe Hammerman <jhammerman@xxxxxxxxxxxx> wrote:
> Hi Fajar,
>        The main goal is a to use a shared root image for a set of Virtual 
> Machines. Management thinks this will keep the machine more 'in sync'. We 
> cannot use NFS booting due to a bug in the kernel version employed by CentOS 
> 5.3, so that rules out UnionFS and ClusterNFS, etc.
>        Qcow images seemed like a pretty good way to satisfy my deliverable

If you want "shared root image" to "keep domUs in sync", qcow is not
usable. You can't update the qcow base image. Updates will need to go
to each domU, not on a centralized place.

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