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

[Aleksander Malaev]

Sure, I'm using order constraint.
But it seems that it doesn't check monitor of the previous started resource.

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
>
> > _______________________________________________
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> > 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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