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<tt>You may want to try to increase the network timeout. You will have
to do it on all nodes.<br>
<br>
See the FAQ
<a class="moz-txt-link-freetext" href="http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_faq.html#TIMEOUT">http://oss.oracle.com/projects/ocfs2/dist/documentation/ocfs2_faq.html#TIMEOUT</a>
with special attention to #104 and 105.<br>
<br>
<br>
</tt>
<pre class="moz-signature" cols="72">Regards,
Marcos Eduardo Matsunaga
Oracle USA
Linux Engineering
</pre>
<br>
<br>
paul fretter (TOC) wrote:
<blockquote
cite="mid:D2AD15EF58CEB8448EA3626C1A102209FE44B2@NBIE2KSRV1.nbi.bbsrc.ac.uk"
type="cite">
<pre wrap="">To clarify,
The host "node1" is the OCFS node 0 in the config file.
The log entries are from another system in the cluster.
Kind regards
Paul
</pre>
<blockquote type="cite">
<pre wrap="">-----Original Message-----
From: paul fretter (TOC)
Sent: 09 October 2007 11:41
To: <a class="moz-txt-link-abbreviated" href="mailto:ocfs2-users@oss.oracle.com">ocfs2-users@oss.oracle.com</a>
Subject: Access to OCFS2 volume paused when a node crashes
There is a node (node1) on our cluster that for some reason hangs
</pre>
</blockquote>
<pre wrap=""><!---->every
</pre>
<blockquote type="cite">
<pre wrap="">now and again, but it seems that when it happens it also pauses access
to the OCFS2 volume for the other nodes.
We are running the latest version of OCFS2 and the tools, on RHEL4
(x86_64) with kernel 2.6.9-42. All nodes area connected by
fibrechannel to a common LUN for data sharing.
I guess there may be something I can do with configuring timeouts
etc(?), but I thought I'd check with this list first. Here is the
relevant info from /va/log/messages
Oct 9 11:24:41 jic55124 kernel: o2net: connection to node node1 (num
0) at 10.1 0.10.1:7777 has been idle for 10.0 seconds, shutting it
down.
Oct 9 11:24:41 jic55124 kernel: (0,1):o2net_idle_timer:1418 here are
some times that might help debug the situation: (tmr
</pre>
</blockquote>
<pre wrap=""><!---->1191925471.993435
</pre>
<blockquote type="cite">
<pre wrap="">now 1191925481.9942 92 dr 1191925471.993425 adv
1191925471.993436:1191925471.993437 func (98e2d068:5 07)
1191924562.14841:1191924562.14844)
Oct 9 11:24:41 jic55124 kernel: o2net: no longer connected to node
node1 (num 0 ) at 10.10.10.1:7777
Oct 9 11:24:41 jic55124 kernel: (727,3):dlm_do_master_request:1418
ERROR: link to 0 went down!
Oct 9 11:24:41 jic55124 kernel: (727,3):dlm_get_lock_<a class="moz-txt-link-freetext" href="resource:995">resource:995</a>
ERROR: status = -112
[root@jic55124 ~]# tail /var/log/messages
Oct 9 11:28:48 jic55124 kernel: (856,2):dlm_get_lock_<a class="moz-txt-link-freetext" href="resource:995">resource:995</a>
ERROR: status = -107
Oct 9 11:28:48 jic55124 kernel: (856,2):dlm_do_master_request:1418
ERROR: link to 0 went down!
Oct 9 11:28:48 jic55124 kernel: (856,2):dlm_get_lock_<a class="moz-txt-link-freetext" href="resource:995">resource:995</a>
ERROR: status = -107
Oct 9 11:33:42 jic55124 kernel: (865,0):dlm_get_lock_<a class="moz-txt-link-freetext" href="resource:921">resource:921</a>
6B13C23CB44C4D888150894FE4D35D4E:M000000000000000000007571339968: at
least one node (0) torecover before lock mastery can begin
Oct 9 11:33:42 jic55124 kernel: (3765,1):ocfs2_dlm_eviction_cb:119
device (8,80): dlm has evicted node 0
Oct 9 11:33:43 jic55124 kernel: (865,0):dlm_get_lock_<a class="moz-txt-link-freetext" href="resource:976">resource:976</a>
6B13C23CB44C4D888150894FE4D35D4E:M000000000000000000007571339968: at
least one node (0) torecover before lock mastery can begin
Oct 9 11:33:46 jic55124 kernel: (727,3):dlm_restart_lock_mastery:1301
ERROR: node down! 0
Oct 9 11:33:46 jic55124 kernel:
</pre>
</blockquote>
<pre wrap=""><!---->(727,3):dlm_wait_for_lock_mastery:1118
</pre>
<blockquote type="cite">
<pre wrap="">ERROR: status = -11
Oct 9 11:33:48 jic55124 kernel: (865,1):ocfs2_replay_journal:1167
Recovering node 0 from slot 5 on device (8,80)
Oct 9 11:33:50 jic55124 kernel: kjournald starting. Commit interval
</pre>
</blockquote>
<pre wrap=""><!---->5
</pre>
<blockquote type="cite">
<pre wrap="">seconds
Many thanks
Paul Fretter
</pre>
</blockquote>
<pre wrap=""><!---->
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</pre>
</blockquote>
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