[Linux-HA] Is it possible to create group of multi-state DRBD resources?

Lars Marowsky-Bree lmb at suse.de
Wed Oct 24 09:47:47 MDT 2007


On 2007-10-24T12:06:22, Andrew Beekhof <beekhof at gmail.com> wrote:

> > I have a two-node symetric cluster that has four multi-state drbd
> > resources per node, each of which contain a DRBD primitive. All these
> > resources must be promoted
> > to master in the same time together on the same node.
> 
> if you mean as a single atomic action, then no, it cant be done

I doubt that's what he meant.

> > I use DRBD 7.x
> > and HA 2.1.2.
> > Is it possible to join drbd multi-state resources into one group or
> > maybe should I use collocation and orders constraints only?
> > What are your suggestions?

Collocation + ordering would be my preference, but supposedly you could
also use a group within a master_slave object. At least the DTD allows
it ;-)

You may want to set order="false" for the contained group, if that makes
any difference.


Regards,
    Lars

-- 
Teamlead Kernel, SuSE Labs, Research and Development
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde




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