[Pacemaker] Configuring Pacemaker & DRBD

Cliff Massey cliffm304 at cliffmassey.com
Fri Oct 7 16:31:26 EDT 2011


ahh makes sense.

I disabled allow-migrate and now I can move the kvm machine and at the same time drbd is automatically set to primary on the new node. 

Time to setup stonith.

On Oct 7, 2011, at 4:13 PM, Florian Haas wrote:

> On 2011-10-07 21:23, Cliff Massey wrote:
>> I  meant 8.40 :)
>> 
>> I ended up deciding to use Corosync instead of Heartbeat and it is working now. Now I'm configuring a KVM resource to depend on drbd. The KVM machine is started by Pacemaker,  but when I try "resource migrate" to move it to the other node nothing happens.
> 
> Yeah, can't work. For a resource with meta allow-migrate=true to
> migrate, anything which that migrating resource depends on must already
> be present on the target node. Which, when your KVM resources use DRBD,
> can only ever work in a dual-Primary configuration. So, either set
> allow-migrate to false (so migration reverts to the default "shut down
> here, fire up there" method), or -- if and only if you're familiar with
> its implications -- set up a DRBD dual-Primary configuration.
> 
> Cheers,
> Florian
> 
> -- 
> Need help with DRBD?
> http://www.hastexo.com/now
> 
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