<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Thank you for the replies. The problem was really one server which shouldn’t have been in the cluster at all. It was kind of a leftover, but it continued to heartbeat in the new cluster.</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">After completely disconnecting the server from the cluster the issue was gone.</div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><br></div><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;">Thanks once again.</div> <div id="bloop_sign_1423751982659020800" class="bloop_sign"><div style="font-family:helvetica,arial;font-size:13px">--&nbsp;<br>Danijel Krmar</div><div style="font-family:helvetica,arial;font-size:13px"><div style="font-family: Helvetica, Arial; line-height: normal;"><font face="helvetica, arial">A51 D.O.O.</font></div><div style="font-family: Helvetica, Arial; line-height: normal;"><font face="helvetica, arial">Novi Sad</font></div><div style="font-family: Helvetica, Arial; line-height: normal;"><font face="helvetica, arial"><a href="https://www.activecollab.com/">https://www.activecollab.com/</a></font></div></div></div> <br><p class="airmail_on" style="color:#000;">On February 10, 2015 at 12:12:12 AM, Sunil Mushran (<a href="mailto:sunil.mushran@gmail.com">sunil.mushran@gmail.com</a>) wrote:</p> <blockquote type="cite" class="clean_bq"><span><div><div></div><div>


<title></title>


<div dir="ltr">
<div>If ps aux|grep o2hb does not return anything, means you are
using local heartbeat.</div>
<div><br></div>
<div>That means you have mismatching ocfs2.conf file. And I suspect
the node where this is failing is the one that has the bad
ocfs2.conf file. Compare the config files from all the nodes and
ensure it is the same. Or you could simply replace the one on the
failing node from another node. The file should be the same
everywhere. Remember to restart the cluster on that node.</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Feb 9, 2015 at 2:27 PM, Danijel
Krmar <span dir="ltr">&lt;<a href="mailto:danijel.krmar@activecollab.com" target="_blank">danijel.krmar@activecollab.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<div style="line-height:19.5px;margin:0px"><span class="">No,
nothing there:</span></div>
<div style="line-height:19.5px;margin:0px">
<div style="margin:0px"><span class="">$ ps aux | grep
o2hb</span></div>
<div style="margin:0px"><span class="">root &nbsp; &nbsp;
&nbsp;5724 &nbsp;0.0 &nbsp;0.0 &nbsp; 8320 &nbsp; 888 pts/0 &nbsp;
&nbsp;S+ &nbsp;&nbsp;<a href="http://airmail.calendar/2015-02-09%2022:30:00%20GMT+1" target="_blank">22:30</a>&nbsp;&nbsp;&nbsp;<a href="http://airmail.calendar/2015-02-09%2000:00:00%20GMT+1" target="_blank">0:00</a>&nbsp;grep --color o2hb</span></div>
</div>
<div style="line-height:19.5px">
<div style="font-family:helvetica,arial"><span class=""><br></span></div>
<div><span class="">Still the same error if i try to mount the
iSCSI disk:</span></div>
<div><span class="">o2hb_check_own_slot:590 ERROR: Heartbeat
generation mismatch on device (sdb): expected(2:0x2f32486d4c54730a,
0x54d926d7), ondisk(2:0xb016e6a72676a791, 0x54d926d7)</span></div>
<div><span class=""><br></span></div>
<div><span class="">As said, there are no such problems on other
machines, just this one. I can’t get my head around this "Heartbeat
generation mismatch” error message.&nbsp;</span></div>
</div>
</div>
<span class=""><br></span>
<div>
<div style="font-family:helvetica,arial;font-size:13px">
<span class="">--&nbsp;<br>
Danijel Krmar</span></div>
<div style="font-family:helvetica,arial;font-size:13px">
<div style="font-family:Helvetica,Arial;line-height:normal">
<span class=""><font face="helvetica, arial">A51
D.O.O.</font></span></div>
<div style="font-family:Helvetica,Arial;line-height:normal">
<span class=""><font face="helvetica, arial">Novi
Sad</font></span></div>
<div style="font-family:Helvetica,Arial;line-height:normal">
<span class=""><a href="https://www.activecollab.com/" target="_blank"><font face="helvetica, arial">https://www.activecollab.com/</font></a></span></div>
</div>
</div>
<span class=""><br></span>
<p style="color:#000"><span class="">On February 9, 2015 at 8:09:06
PM, Sunil Mushran (<a href="mailto:sunil.mushran@gmail.com" target="_blank">sunil.mushran@gmail.com</a>) wrote:</span></p>
<div>
<div class="h5">
<blockquote type="cite">
<div>
<div>
<div dir="ltr"><span>On node 2, do:</span>
<div><span>ps aux | grep o2hb</span></div>
<div><span><br></span></div>
<div><span>I suspect you have multiple o2hb threads running. If so,
restart the o2cb cluster on that node.</span></div>
</div>
<div class="gmail_extra"><span><br></span>
<div class="gmail_quote"><span>On Mon, Feb 9, 2015 at 10:08 AM,
Danijel Krmar <span dir="ltr">&lt;<a href="mailto:danijel.krmar@activecollab.com" target="_blank">danijel.krmar@activecollab.com</a>&gt;</span>
wrote:<br></span>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">
<div style="font-family:Helvetica,Arial;font-size:13px;color:rgba(0,0,0,1.0);margin:0px;line-height:auto">
<div style="margin:0px 5px 5px 0px;padding:0px;border:0px;font-size:13.6960000991821px;vertical-align:baseline;word-wrap:break-word;width:660px;line-height:17.8048000335693px;font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;background-repeat:initial initial">
<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:13.6960000991821px;vertical-align:baseline;clear:both;background:transparent">
As said in the title, when I want to mount a iSCSI target on one
machine I get the following error:</p>
<pre style="margin-top:0px;margin-bottom:10px;padding:5px;border:0px;font-size:13.6960000991821px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;overflow:auto;width:auto;max-height:600px;word-wrap:normal;background-color:rgb(238,238,238);background-repeat:initial initial">
<code style="margin:0px;padding:0px;border:0px;font-size:13.6960000991821px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;white-space:inherit;background-repeat:initial initial">(o2hb-3F92114867,7826,3):o2hb_check_own_slot:590 ERROR: Heartbeat generation mismatch on device (sdb): expected(2:0xa0cf28215b4b1ed3, 0x54d8a036), ondisk(2:0xb016e6a72676a791, 0x54d8a037)
</code>
</pre>
<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:13.6960000991821px;vertical-align:baseline;clear:both;background:transparent">
The same iSCSI target is working on other machines.</p>
<p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:13.6960000991821px;vertical-align:baseline;clear:both;background:transparent">
Any idea what this error means?&nbsp;</p>
</div>
</div>
<span><font color="#888888"><br></font></span>
<div>
<div style="font-family:helvetica,arial;font-size:13px">
<span><font color="#888888">--&nbsp;<br>
Danijel Krmar</font></span></div>
<div style="font-family:helvetica,arial;font-size:13px">
<div style="font-family:Helvetica,Arial;line-height:normal">
<span><font color="#888888"><font face="helvetica, arial">A51
D.O.O.</font></font></span></div>
<div style="font-family:Helvetica,Arial;line-height:normal">
<span><font color="#888888"><font face="helvetica, arial">Novi
Sad</font></font></span></div>
<div style="font-family:Helvetica,Arial;line-height:normal">
<span><a href="https://www.activecollab.com/" target="_blank"><font color="#888888"><font face="helvetica, arial">https://www.activecollab.com/</font></font></a></span></div>
</div>
</div>
</div>
<br>
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</blockquote>
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