Hi, On Fri, Sep 14, 2012 at 04:41:55PM +0200, Alberto Menichetti wrote: > Hi all, > > I'm trying to deploy a CLVM configuration; my VGs will be active on only > 1 node at time and I won't use a clustered fs but ext3. > > I configured clvmd and dlm in this way: > > primitive cluster-dlm ocf:pacemaker:controld op monitor interval="60" \ > timeout="60" meta is-managed="true" > > primitive cluster-lvm ocf:lvm2:clvmd params daemon_timeout="30" \ > meta is-managed="true" > > group cluster-base cluster-dlm cluster-lvm meta is-managed="true" > > clone cluster-infra cluster-base meta \ > interleave="true" is-managed="true" > > > Suppose now that I want to configure a resource to manage my VG, > something like this: > > primitive wfq-lv-rs ocf:heartbeat:LVM params \ > volgrpname="WFQ_vg" exclusive="yes" op start interval="0" \ > op monitor interval="120s" timeout="60s" op stop \ > interval="0" timeout="30s" meta is-managed="true" > > > > I think that my LVM resource should be someway dependant from > cluster-infra; in my opinion the following "dependencies" should be > honored: > > 1. the resource who manage the VG, wfq-lv-rs, must be started only after > the resource who manage the CLVM > > 2. because the resource who manage the CLVM is inside a clone resource > and will be started in all nodes, the wfq-lv-rs must be started only in > a node who has the clone resource containing the CLVM resource online. > > > If the above assumptions are correct, how is it possible to manage this > in pacemaker?
Just create an order and collocation constraints between the clone (cluster-infra) and the filesystem. Thanks, Dejan > Thank you, > Alberto > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
