Thanks Andreas! I'm gettting closer!!!!! Nick.
On Wed, Oct 19, 2011 at 11:16 AM, Andreas Kurz <[email protected]> wrote: > Hello, > > On 10/19/2011 04:49 PM, Nick Khamis wrote: >> Hello Everyone, >> >> What we have is a 4 node cluster: 2 Running mysql on a active/passive, >> and 2 running our application on an active/active: >> >> MyDRBD1 and MyDRBD2: Mysql, DRBD (active/passive) >> ASTDRBD1 and ASTDRBD2: In-house application, DRBD dual primary >> A snippet of our config looks like this: >> >> node mydrbd1 \ >> attributes standby="off" >> node mydrbd2 \ >> attributes standby="off" >> node astdrbd1 \ >> attributes standby="off" >> node astdrbd2 \ >> attributes standby="off" >> primitive drbd_mysql ocf:linbit:drbd \ >> params drbd_resource="r0.res" \ >> op monitor role=Master interval="10" \ >> op monitor role=Slave interval="30" >> ..... >> primitive drbd_asterisk ocf:linbit:drbd \ >> params drbd_resource="r0.res" \ >> op monitor interval="20" timeout="20" role=Master \ >> op monitor interval="30" timeout="20" role="Slave" >> ms ms_drbd_asterisk drbd_asterisk \ >> meta master-max="2" notify="true" \ >> interleave="true" >> group MyServices myIP fs_mysql mysql \ >> meta target-role="Started" >> group ASTServices astIP asteriskDLM asteriskO2CB fs_asterisk \ >> meta target-role="Started" >> ..... >> >> I am recieving the following warning: "WARNING: Resources >> drbd_asterisk,drbd_mysql violate uniqueness for parameter >> "drbd_resource": "r0.res"" >> Now the obvious thing to do is to change the resource name at the DRBD >> level however, I assumed that the parameter uniqueness was bound to >> the primitive? > > Only one resource per cluster should use this value for this attribute > if it is marked globally-unique in the RA meta-information. > > Do yourself a favour and give the DRBD resources a meaningful name, how > about "asterisk" and "mysql" ;-) > >> >> My second "quick" question is, I like to use group + location to >> single out services on specific nodes however, when creating clones: >> >> clone cloneDLM asteriskDLM meta globally-unique="false" interleave="true" >> >> I am recieving "ERROR: asteriskDLM already in use at ASTServices" >> error? My question is, what are the benefits of using group + location >> vs. clone + location? > > Once a resource is in a group it cannot be used for clones/MS any more > ... though you can clone a group or make it MS. > >> With the latter I assue we will have a long list of location (one for >> each primitive + node)? And with the former we do not have he meta >> information >> (globally-unique, and interleave)? > > I assume you want to manage a cluster filesystem ... so put all the > dlm/o2cb/cluster-fs resources in a group and clone it (and use > interleave for this clone) > > Regards, > Andreas > > -- > Need help with Pacemaker or DRBD? > http://www.hastexo.com/now > > > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
