RE: [Xen-users] Quorum disk problem

[Ralf Kaestner <Ralf.Kaestner@xxxxxx>]

btw. - w2k3 cluster quorum disks require to be capable of handling scsi2 
reservations. I would assume xen does not (yet?) support scsi2 reservation 
virtualization. Or does it?

> -----Ursprüngliche Nachricht-----
> Von: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
> Gesendet: 06.02.08 12:01:18
> An:  <xen-users@xxxxxxxxxxxxxxxxxxx>
> Betreff: RE: [Xen-users] Quorum disk problem


> 
> Oops... this is another mailing list repeat. Just ignore my response :)
> 
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> > bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kedziora Marek
> > Sent: Thursday, 31 January 2008 18:55
> > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-users] Quorum disk problem
> > 
> > Hi!
> > I have a problem setting up cluster of w2k3 servers. My configurations
> > looks like this:
> > 
> > server1: dom0 (centos5): virtual1 (w2k3)
> > server2: dom0 (centos5): virtual2 (w2k3)
> > 
> > I want to make a cluster with two nodes: virtual1 and virtual2.
> > I have a quorum disk set up on SAN, both dom0 configures it via HBA
> > (qlogic card with HP driver) as scsi /dev/sdb:
> > 
> > SAN.quorum -> server1 hba (/dev/sdb) -> virtual1
> > SAN.quorum -> server2 hba (/dev/sdb) -> virtual2
> > 
> > Then it is passed as block device to domU with this xen config:
> > 
> > disk = [ ..<other disks>..., 'phy:/dev/sdb:sdb:w' ]
> > 
> > Everything would be fine except that changes made to quorum disk
> > on active node are not seen after changing active node to the other
> > one. It looks like all changes are cached somewhere and active node
> > writes to this same disk as it would be two different disks. After
> > rebooting both nodes only changes from first active node are written to
> > disk.
> > 
> > Could you please help me in setting up the quorum disk ?
> > TIA
> > Best regards
> > Marek Kedziora
> > 
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> 
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> 


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