>>> On 10/11/2011 at 04:26 AM, Roger Evans <ro...@autodata.no> wrote:
> I am trying to mount a disk R/O from two linux machines on one VM. One
> of them is SLES10 where the disk is defined in zipl.conf. The other
> is a new SLES11 ('CLPRODB2)..
>
> The disk is mounted RW on a SLES10sp3 machine.
This is never a good idea. If you want to share a disk between z/VM guests,
_all_ of them need to have it read only. None of them can have it read-write.
There's too many layers of caching going on for it to work reliably, if at all.
If you absolutely have to have access to a disk that is mounted read-write, use
NFS to export it read only.
Mark Post
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