Hi Boyko,
HVM is a requisite I'm afraid, that's the reason why I can't the drbd
block script.
OK, thank you, I will it this way. There is then still the question
about how to backup, but I will create a new post for that.
thx,
B.
On 05/10/11 17:15, Boyko Yordanov wrote:
Hi,
For live migration use PV DomUs and Xen's drbd block script - it automatically
switches primary/secondary states on both domUs while migrating.
Anyway yes, its that simple - two primaries and live migration works.
Note: I've been having some issues (crashes) with centos xen kernel and drbd
8.3.10 - don't have the time to investigate further.
Boyko
On May 10, 2011, at 6:05 PM, Bart Coninckx wrote:
Hi,
I want to combine all the above mentioned technologies.
The Linbit pages warn not to use the drbd: VBD with HVM DomUs.
This page however:
http://publications.jbfavre.org/virtualisation/cluster-xen-corosync-pacemaker-drbd-ocfs2.en
(thank you Jean), simply puts two DRBD devices in dual primary mode and starts
Xen DomUs while pointing to the DRBD devices with phy: in the DomU config files.
Live migration and HVM seem possible.
Is it as simple as Jean describes it? What is the advantage then of the drbd:
VBD? Just seeing to it that the dual primary is available (which is handled on
Jean's Howto by Pacemaker)?
Thx!
B.
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