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xen-users
Re: [Xen-users] Mount block-device rw on more DomU
Specify w! instead of w in the configuration file to override the
double-use checking.
Without knowing much about how these oracle tools work, I'm not sure
that I'm convinced it can be safe.
Regards,
Anthony Liguori
Marco Natali wrote:
Yes, if I will access to that volume in asyncronous way!
Instead I'll install Oracle RAC with ASM (Automatic Storage Managment)
and OCR (Oracle Cluste Ready), two objects that manage in a cluster
way the volume I want to use in r/w.
This could work like a real external storage.
Don't you think so?
Marco Natali
On Tue, 2006-02-14 at 11:52 +0100, Michael Mey wrote:
On Monday 13 February 2006 23:44, Marco Natali wrote:
> Hi all
> I would like to install for testing an Oracle RAC on two DomU and I need
> of some block devices simulating an external storage.
> I would like to mount an LVM volume in Dom0 mounted rw by two DomU, but
> when I try to attach the block device I receive this message:
>
> # xm block-attach oracle1 phy:/dev/vg0/oracle-db /dev/sdb1 rw
> Error: Device 2065 (vbd) could not be connected.
> Device /dev/vg0/oracle-db is mounted in a guest domain,
> and so cannot be mounted now.
>
> Is it possible to force in some way?
>
> Thanks
>
> Marco Natali
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx <mailto:Xen-users@xxxxxxxxxxxxxxxxxxx>
> http://lists.xensource.com/xen-users
Hi,
you really wouldn't want to do that. The possibility for destroying the
filesystem during the first few minutes is nearly 100 %. For this purpose,
you should consider using a cluster filesystem, like gfs, ocfs2 (easier to
set up) or sth similar.
Michael
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