krienke at uni-koblenz
Apr 3, 2012, 1:32 AM
Views: 694
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Cluster node hanging upon access to ocfs2 fs when second cluster node dies ?
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Hello,
I am new to HA setup and my first try was to set up a HA cluster (using
SLES 11 SP2 and the SLES11 SP2 HA extension) that simply offers an
OCFS2 filesystem. I did the setup according to the SLES 11 SP2 HA
manual, that describes the steps needed quite exactly.
Basically it works.
At the moment I have two nodes. When I stop one node by halt -f or by
suspending this virtual machine, then access to the cluster filesystem
on the remaining machine hangs until the halted machine comes up again
which is of course not what I want.
When I run a clean shutdown on one of the nodes the remaining node can
still access the cluster filesystem without problems.
Here is the current cluster configuration (crm configure show):
node clusternode1
node clusternode2
primitive dlm ocf:pacemaker:controld \
op monitor interval="60" timeout="60"
primitive o2cb ocf:ocfs2:o2cb \
op monitor interval="60" timeout="60"
primitive ocfs2-1 ocf:heartbeat:Filesystem \
params device="/dev/disk/by-id/scsi-259316a7265713551-part2"
directory="/shared/cluster" fstype="ocfs2" \
op monitor interval="20" timeout="40" \
meta target-role="Started"
primitive stonith_sbd stonith:external/sbd \
op monitor interval="15" timeout="15" start-delay="15" \
params sbd_device="/dev/disk/by-id/scsi-259316a7265713551-part1"
group base-group dlm o2cb ocfs2-1
clone base-clone base-group \
meta interleave="true"
property $id="cib-bootstrap-options" \
dc-version="1.1.6-b988976485d15cb702c9307df55512d323831a5e" \
cluster-infrastructure="openais" \
expected-quorum-votes="2" \
stonith-timeout="30s" \
no-quorum-policy="ignore" \
stonith-enabled="false"
op_defaults $id="op_defaults-options" \
record-pending="false"
Any ideas what might cause this stange effect?
Thank you very much
Rainer
--
Rainer Krienke, Uni Koblenz, Rechenzentrum, A22, Universitaetsstrasse 1
56070 Koblenz, http://userpages.uni-koblenz.de/~krienke, Tel: +49261287 1312
PGP: http://userpages.uni-koblenz.de/~krienke/mypgp.html,Fax: +49261287
1001312
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Cluster node hanging upon access to ocfs2 fs when second cluster node dies ?
