[Pacemaker] How to tell pacemaker to start exportfs after filesystem resource

[Dejan Muhamedagic]

On Tue, Jun 21, 2011 at 05:56:40PM +0400, Aleksander Malaev wrote:
> Sure, I'm using order constraint.
> But it seems that it doesn't check monitor of the previous started resource.

It doesn't need to check monitor. The previous resource, if
started, must be fully operational. If it's not, then the RA is
broken.

Thanks,

Dejan

> 2011/6/21 Dejan Muhamedagic <dejanmm at fastmail.fm>
> 
> > Hi,
> >
> > On Mon, Jun 20, 2011 at 11:40:04PM +0400, Александр Малаев wrote:
> > > Hello,
> > >
> > > I have configured pacemaker+ocfs2 cluster with shared storage connected
> > by
> > > FC.
> > > Now I need to setup NFS export in Active/Active mode and I added all
> > needed
> > > resources and wrote the order of starting.
> > > But then node is starting after reboot I got race condition between
> > > Filesystem resource and exportfs.
> > > Exportfs couldn't start because ocfs2 mountpoint isn't mounted yet.
> > >
> > > How to tell ExportFS resource to start then filesystem resource will be
> > > ready?
> >
> > Use the order constraint? Or did I miss something? You already
> > have some order constraints defined, so you should be able to
> > manage.
> >
> > Thanks,
> >
> > Dejan
> >
> > > crm config is the following:
> > > node msk-nfs-gw01
> > > node msk-nfs-gw02
> > > primitive nfs-kernel-server lsb:nfs-kernel-server \
> > >         op monitor interval="10s" timeout="30s"
> > > primitive ping ocf:pacemaker:ping \
> > >         params host_list="10.236.22.35" multiplier="100" name="ping" \
> > >         op monitor interval="20s" timeout="60s" \
> > >         op start interval="0" timeout="60s"
> > > primitive portmap upstart:portmap \
> > >         op monitor interval="10s" timeout="30s"
> > > primitive res-dlm ocf:pacemaker:controld \
> > >         op monitor interval="120s"
> > > primitive res-fs ocf:heartbeat:Filesystem \
> > >         params device="/dev/mapper/mpath0" directory="/media/media0"
> > > fstype="ocfs2" \
> > >         op monitor interval="120s"
> > > primitive res-nfs1-ip ocf:heartbeat:IPaddr2 \
> > >         params ip="10.236.22.38" cidr_netmask="27" nic="bond0" \
> > >         op monitor interval="30s"
> > > primitive res-nfs2-ip ocf:heartbeat:IPaddr2 \
> > >         params ip="10.236.22.39" cidr_netmask="27" nic="bond0" \
> > >         op monitor interval="30s"
> > > primitive res-o2cb ocf:pacemaker:o2cb \
> > >         op monitor interval="120s"
> > > primitive res-share ocf:heartbeat:exportfs \
> > >         params directory="/media/media0/nfsroot/export1" clientspec="
> > > 10.236.22.0/24" options="rw,async,no_subtree_check,no_root_squash"
> > fsid="1"
> > > \
> > >         op monitor interval="10s" timeout="30s" \
> > >         op start interval="10" timeout="40s" \
> > >         op stop interval="0" timeout="40s"
> > > primitive st-null stonith:null \
> > >         params hostlist="msk-nfs-gw01 msk-nfs-gw02"
> > > group nfs portmap nfs-kernel-server
> > > clone clone-dlm res-dlm \
> > >         meta globally-unique="false" interleave="true"
> > > clone clone-fs res-fs \
> > >         meta globally-unique="false" interleave="true"
> > > clone clone-nfs nfs \
> > >         meta globally-unique="false" interleace="true"
> > > clone clone-o2cb res-o2cb \
> > >         meta globally-unique="false" interleave="true"
> > > clone clone-share res-share \
> > >         meta globally-unique="false" interleave="true"
> > > clone fencing st-null
> > > clone ping_clone ping \
> > >         meta globally-unique="false"
> > > location nfs1-ip-on-nfs1 res-nfs1-ip 50: msk-nfs-gw01
> > > location nfs2-ip-on-nfs2 res-nfs2-ip 50: msk-nfs-gw02
> > > colocation col-fs-o2cb inf: clone-fs clone-o2cb
> > > colocation col-nfs-fs inf: clone-nfs clone-fs
> > > colocation col-o2cb-dlm inf: clone-o2cb clone-dlm
> > > colocation col-share-nfs inf: clone-share clone-nfs
> > > order ord-dlm-o2cb 0: clone-dlm clone-o2cb
> > > order ord-nfs-share 0: clone-nfs clone-share
> > > order ord-o2cb-fs 0: clone-o2cb clone-fs
> > > order ord-o2cb-nfs 0: clone-fs clone-nfs
> > > order ord-share-nfs1 0: clone-share res-nfs1-ip
> > > order ord-share-nfs2 0: clone-share res-nfs2-ip
> > > property $id="cib-bootstrap-options" \
> > >         dc-version="1.0.9-da7075976b5ff0bee71074385f8fd02f296ec8a3" \
> > >         cluster-infrastructure="openais" \
> > >         expected-quorum-votes="2" \
> > >         stonith-enabled="true" \
> > >         no-quorum-policy="ignore" \
> > >         last-lrm-refresh="1308040111"
> > >
> > > --
> > > Best Regards
> > > Alexander Malaev
> >
> > > _______________________________________________
> > > Pacemaker mailing list: Pacemaker at 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> >
> >
> 
> 
> -- 
> С уважением,
> Александр Малаев
> +7-962-938-9323

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> Project Home: http://www.clusterlabs.org
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