Re: [Xen-users] Mount block-device rw on more DomU

[Marco Natali <marco@xxxxxxxxxx>]

Great!

I'll go to try ASAP!

Regards

    Marco Natali


On Tue, 2006-02-14 at 09:03 -0600, Anthony Liguori wrote:
> 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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>
>
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