----- Original Message -----
> 
> 
> ----- Original Message -----
> > From: "Ayal Baron" <aba...@redhat.com>
> > To: "Andrew Cathrow" <acath...@redhat.com>
> > Cc: vdsm-devel@lists.fedorahosted.org, "wangxiaofan"
> > <wangxiao...@opzoon.com>
> > Sent: Thursday, December 29, 2011 8:40:49 AM
> > Subject: Re: about shared disk file system
> > 
> > 
> > 
> > ----- Original Message -----
> > > 
> > > 
> > > ----- Original Message -----
> > > > From: "wangxiaofan" <wangxiao...@opzoon.com>
> > > > To: vdsm-devel@lists.fedorahosted.org
> > > > Sent: Thursday, December 29, 2011 8:21:43 AM
> > > > Subject: about shared disk file system
> > > > 
> > > > Hi there,
> > > >     To support SAN storage in vdsm, is there any plan to use
> > > >     shared
> > > > disk file system, such as Red Hat GFS or OCFS2,
> > > > instead of lvm?
> > > 
> > > One of the features we're adding to oVirt is the ability to have
> > > plug-able file domains. Today we support block based
> > > (iscsi/fiber)
> > > and NFS. We'll add support for generic filesystems [1].
> > > 
> > > For some filesystems this will be pretty straight forward eg
> > > Gluster,
> > > GPFS but GFS adds some extra complications - it brings along it's
> > > own cluster stack that provides membership management, fencing
> > > etc.
> > 
> > so do gpfs and gluster.
> > as long as you don't mix LVM based domains with GFS you should be
> > fine.
> 
> GFS/Clustersuite will power off nodes, GPFS and Gluster won't.

not if you define usage of SCSI fencing instead of power fencing.

> 
> 
> > 
> > > 
> > > 
> > > [1]
> > > https://fedorahosted.org/pipermail/vdsm-devel/2011-December/000408.html
> > > 
> > > > _______________________________________________
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> > > > vdsm-devel@lists.fedorahosted.org
> > > > https://fedorahosted.org/mailman/listinfo/vdsm-devel
> > > > 
> > > _______________________________________________
> > > vdsm-devel mailing list
> > > vdsm-devel@lists.fedorahosted.org
> > > https://fedorahosted.org/mailman/listinfo/vdsm-devel
> > > 
> > 
> 
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