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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Sorry for delay response.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">There is seven node in the OCFS2 Cluster.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The system timeout config is default values as below:</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"># O2CB_HEARTBEAT_THRESHOLD: Iterations before a node is considered dead.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">O2CB_HEARTBEAT_THRESHOLD=31</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"># O2CB_IDLE_TIMEOUT_MS: Time in ms before a network connection is considered dead.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">O2CB_IDLE_TIMEOUT_MS=30000</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"># O2CB_KEEPALIVE_DELAY_MS: Max. time in ms before a keepalive packet is sent.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">O2CB_KEEPALIVE_DELAY_MS=2000</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"># O2CB_RECONNECT_DELAY_MS: Min. time in ms between connection attempts.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">O2CB_RECONNECT_DELAY_MS=2000</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The fence_method is set with “reset”, default value.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The test steps is: </span>
</p>
<p class="MsoListParagraph" style="margin-left:18.0pt; text-indent:-18.0pt"><span lang="EN-US" style="color:#1F497D"><span style="">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US" style="color:#1F497D">The node 2013-SRV06, 2013-SRV09 and 2013-SRV10 is shutdown for the VLAN changed on the switch.</span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt; text-indent:-18.0pt"><span lang="EN-US" style="color:#1F497D"><span style="">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US" style="color:#1F497D">The other four nodes VLAN changed to the same VLAN as the step one, but the host does not shutdown.</span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt; text-indent:-18.0pt"><span lang="EN-US" style="color:#1F497D"><span style="">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><span lang="EN-US" style="color:#1F497D">As the three nodes, 2013-SRV06, 2013-SRV09 and 2013-SRV10, powered on and restarted and they can’t access OCFS2 cluster with mount error.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Note: Changing VLAN is that changing the management network VLAN, the network is used in OCFS2 kernel to communicate information. The network accessing storage does not changed.
</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The attachment file is the log digested from the syslog on the nodes.
</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thanks a lot.</span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"> </span></p>
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<div style="border:none; border-top:solid #B5C4DF 1.0pt; padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:10.0pt; font-family:宋体; color:windowtext">发件人<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt; font-family:宋体; color:windowtext"> ocfs2-users-bounces@oss.oracle.com
[mailto:ocfs2-users-bounces@oss.oracle.com] </span><b><span style="font-size:10.0pt; font-family:宋体; color:windowtext">代表
</span></b><span lang="EN-US" style="font-size:10.0pt; font-family:宋体; color:windowtext">Srinivas Eeda<br>
</span><b><span style="font-size:10.0pt; font-family:宋体; color:windowtext">发送时间<span lang="EN-US">:</span></span></b><span lang="EN-US" style="font-size:10.0pt; font-family:宋体; color:windowtext"> 2013</span><span style="font-size:10.0pt; font-family:宋体; color:windowtext">年<span lang="EN-US">4</span>月<span lang="EN-US">29</span>日<span lang="EN-US">
2:51<br>
</span><b>收件人<span lang="EN-US">:</span></b><span lang="EN-US"> ocfs2-users@oss.oracle.com<br>
</span><b>主题<span lang="EN-US">:</span></b><span lang="EN-US"> Re: [Ocfs2-users] Is it one issue. Do you have some good ideas, thanks a lot.</span></span></p>
</div>
</div>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US"> </span></p>
<div>
<p class="MsoNormal"><span lang="EN-US">On 04/28/2013 03:54 AM, Guozhonghua wrote:</span></p>
</div>
<blockquote style="margin-top:5.0pt; margin-bottom:5.0pt">
<div>
<p class="MsoNormal"><span lang="EN-US">Hi, everyone</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">I have some questions with the OCFS2 when using it as vm-store.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">With Ubuntu 1204, kernel version is 3.2.40, and ocfs2-tools version is 1.6.4.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">As the network configure change, there are some issues as the log below.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Why is there the information of “Node </span>
<span lang="EN-US" style="color:red">255</span><span lang="EN-US"> (he) is the Recovery Master for the dead node
</span><span lang="EN-US" style="color:red">255</span><span lang="EN-US">” in the syslog?</span></p>
</div>
</blockquote>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:"Times New Roman","serif"">This appears to be a bug. Not sure how big the cluster is, but since this node lost connection to at least few nodes
it should have got evicted itself (unless its a very big cluster)<br>
<br>
</span></p>
<div>
<p class="MsoNormal"><span lang="EN-US">Why the host ZHJD-VM6 is blocked until it reboot one day time later, and what is it wait for still?</span></p>
</div>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:"Times New Roman","serif"">last message seems to be at Apr 27 17:44:52, so the node is effectively dead at this time even though it restarted much
later. What are the timeouts set to? what is the fence_method set to? Please forward me the messages files from other nodes, I would like to see how other nodes behaved.<br>
<br>
</span></p>
<div>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks a lot.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US"> </span><span lang="EN-US" style="font-size:10.0pt; font-family:"Courier New""></span></p>
</div>
<p class="MsoNormal" align="left" style="text-align:left"><span lang="EN-US" style="font-size:12.0pt; font-family:"Times New Roman","serif""> </span></p>
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