Re: [Xen-users] Booting Xen domU from DRBD 8.2

["Paras pradhan" <pradhanparas@xxxxxxxxx>]

On Thu, Oct 9, 2008 at 2:57 PM, Federico Fanton <federico@xxxxxxxxxxxx> wrote:

Hi everyone!
I'm trying to setup live migration of a paravirtualized Xen domU between two identical machines (Dell PowerEdge T105) running CentOS 5.2 x86_64
I followed the guide at http://www.asplund.nu/xencluster/xen-cluster-howto.html, even if it is for Ubuntu, because I couldn't find a recent one for CentOS :/

Right now I have the domU running on a node on top of LVM, and drbd is mirroring the lvm devices between the two nodes..
The next step should be to configure the domU to use drbd (http://www.asplund.nu/xencluster/xen-cluster-howto.html#DomU drbd config), but I can't figure out how to tell virt-manager/virsh to use the drbd devices..

Am I going the wrong way? Should I setup DRBD first and _then_ install the domU maybe? (the guide goes the other way round)
Should I ditch pygrub and boot the domU directly from its kernel/initrd?

Yes. first setup drbd which will result /dev/drbd0, drbd1,..... and install guests there.

 

Many thanks for your help!

P.S.
xen-3.2.1-0xs
kernel-xen-2.6.18-92.1.10.el5
drbd 8.2

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Paras. 

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