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It's ESX - it runs on HP blades (AMD). Guest OSes are all 32-bit.<br>
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<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">What type of
vmware environment? (VI ESX
3, Server, Workstation, or one of the older platforms?)<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">The Vmware
forums have a fair amount of
help on how to handle clock drift. Are you on AMD or Intel, 32 or 64
bit?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<div>
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color="black" face="Times New Roman" size="3"><span
style="font-size: 12pt; color: windowtext;">
<hr tabindex="-1" align="center" size="2" width="100%"></span></font></div>
<p class="MsoNormal"><b><font color="black" face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma; color: windowtext; font-weight: bold;">From:</span></font></b><font
color="black" face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma; color: windowtext;">
<a class="moz-txt-link-abbreviated" href="mailto:linux-cluster-bounces@redhat.com">linux-cluster-bounces@redhat.com</a>
[<a class="moz-txt-link-freetext" href="mailto:linux-cluster-bounces@redhat.com">mailto:linux-cluster-bounces@redhat.com</a>] <b><span
style="font-weight: bold;">On
Behalf Of </span></b>Jeroen van den Horn<br>
<b><span style="font-weight: bold;">Sent:</span></b> Friday, March
30, 2007 10:07
AM<br>
<b><span style="font-weight: bold;">To:</span></b> linux clustering<br>
<b><span style="font-weight: bold;">Subject:</span></b> Re:
[Linux-cluster]
Fenced node never reboots properly</span></font><font color="black"><span
style="color: windowtext;"><o:p></o:p></span></font></p>
</div>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span style="font-size: 12pt;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span style="font-size: 12pt;">In response to Lon's
suggestion I modified the
fence_vmware code and set the type of reset to HARD - cluster node now
resets
properly. Remaining issue is that under VMWare we are still
experiencing
performance issues. It's as if a node in the cluster starts 'lagging
behind'
(also the system clock starts drifting) and that after some time one of
the
nodes declares the other dead.<br>
<br>
Does anybody have any pointers towards performance issues and/or clock
drifting
with GFS on virtual machines?<br>
<br>
Regards,<br>
Jeroen<br>
<br>
<br>
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span style="font-size: 12pt;">I'm using fence_vmware which I
downloaded from some
CVS repository. Good to hear that that is the issue - I'll take a look
at the source
and see whether the VMWare API support some sort of 'hard reset'.<br>
<br>
Jeroen<br>
<br>
Lon Hohberger wrote: <o:p></o:p></span></font></p>
<pre wrap=""><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">On Thu, Mar 29, 2007 at 10:04:00AM +0200, Jeroen van den Horn wrote:<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"> <o:p></o:p></span></font></pre>
<blockquote style="margin-top: 5pt; margin-bottom: 5pt;" type="cite">
<pre wrap=""><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">However during shutdown node 2 executes /etc/rc6.d/S31umountnfs (it's a <o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">Debian system) which also attempts to unmount the GFS disk - result: <o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">kernel OOPS. The system continues shutdown until it says 'Will now <o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">restart.' but that's the end of it. I've tried setting the <o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">/proc/sys/kernel/panic and added 'panic=5' to the kernel boot options <o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">but to no avail.<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><o:p> </o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">I'm really at a loss here - does anybody have any suggestions on how to <o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">solve this problem?<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"> <o:p></o:p></span></font></pre>
</blockquote>
<pre wrap=""><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><o:p> </o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">Yes, it's supposed to be killed (immediately) when fenced, not<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">gracefully attempting to shut down. What fencing agent are you using?<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">It sounds like there's a bug.<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><o:p> </o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">-- Lon<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><o:p> </o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"> <o:p></o:p></span></font></pre>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span style="font-size: 12pt;"><br>
<br>
<o:p></o:p></span></font></p>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><o:p> </o:p></span></font></pre>
<pre style="text-align: center;"><font color="black"
face="Courier New" size="2"><span style="font-size: 10pt;">
<hr align="center" size="4" width="90%">
</span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><o:p> </o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">--<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;">Linux-cluster mailing list<o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a><o:p></o:p></span></font></pre>
<pre><font color="black" face="Courier New" size="2"><span
style="font-size: 10pt;"><a
href="https://www.redhat.com/mailman/listinfo/linux-cluster">https://www.redhat.com/mailman/listinfo/linux-cluster</a><o:p></o:p></span></font></pre>
<p class="MsoNormal"><font color="black" face="Times New Roman"
size="3"><span style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<pre wrap="">
<hr size="4" width="90%">
--
Linux-cluster mailing list
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