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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">Luigi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">It’s necessary to put a host into maintenance mode before shutdown.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">That panic is a kernel reaction to NMI, which is triggered by hardware watchdog, which is set by wdmd daemon, which is used by sanlock. This scheme is intended to hardware reset a server
if it has lost connection to its storage when lock is acquired.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri">On HP servers it’s necessary to configure watchdog to do hardware reset instead of NMI in BIOS settings.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="RU" style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:Calibri;color:black">From: </span>
</b><span style="font-family:Calibri;color:black"><users-bounces@ovirt.org> on behalf of Juan Pablo <pablo.localhost@gmail.com><br>
<b>Date: </b>Wednesday 23 November 2016 at 17:17<br>
<b>To: </b>Luigi Fanton <lfanton@synt.net><br>
<b>Cc: </b>"users@ovirt.org" <users@ovirt.org><br>
<b>Subject: </b>Re: [ovirt-users] shutdown and kernel panic<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">same issue here. I guess now that I read your post that its an HP bug 'somehow' (to blame someone).<o:p></o:p></p>
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<p class="MsoNormal">maybe thats why ovirt asks for fencing interfaces as ilo/imm/ipmi, to hard reboot the server in case there's an issue like this.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">just my 2c<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">2016-11-22 13:22 GMT-03:00 Luigi Fanton <<a href="mailto:lfanton@synt.net" target="_blank">lfanton@synt.net</a>>:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hello to all,<br>
I'm just playing with ovirt4, installed on HP server with CentOS 7, and a virtual machine as host engine.<br>
I have a lot of problems with the server shutdown!<br>
The server dosn't power off and will reboot after some "kernel panic" error.<br>
<br>
To turn off the ovirt server:<br>
1) Put ovirt in global maintinience (hosted-engine --set-maintenance --mode=global)<span style="font-size:10.0pt;font-family:"Courier New""><br>
</span>2) Host engine shutdown and check vm-status<br>
3) Finaly, shutdown server and wait ... wait ... wait<o:p></o:p></p>
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<p class="MsoNormal">Whats wrong?! -_-<o:p></o:p></p>
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<p class="MsoNormal"><br>
best regards<o:p></o:p></p>
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<p class="MsoNormal">Luigi F.<br clear="all">
<o:p></o:p></p>
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<a href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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