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RE: [Xen-users] Debian Etch Xen Cluster (DRBD, GNBD, OCFS2, iSCSI, Heartbeat?)

  • To: "Dominik Klein" <dk@xxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Thu, 13 Sep 2007 22:48:51 +1000
  • Delivery-date: Thu, 13 Sep 2007 05:49:25 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acf2Ats0vvLEh7G6Toi8KuusKQVc7QAATlkQ
  • Thread-topic: [Xen-users] Debian Etch Xen Cluster (DRBD, GNBD, OCFS2, iSCSI, Heartbeat?)

> > Node1 should run A and D while node2 should run B and C. If Node1
> > A and D should switch to node2 and switch back after node1 is back
> > again. I red a lot about very complex setups with OCFS2, iSCSI or
> > but i think all i need ist DRBD and Heartbeat, isn't it?
> Correct.

Just remember, if something goes wrong in such a way that the domain is
active on both nodes at the same time with read/write access to the
filesystem, you *will* *destroy* the filesystem and will need to restore
from backup. No amount of fscking will help you.

(I speak from bitter experience :)


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