From: Digimer <lists@xxxxxxxxxx>
ÿffffffffffd6ZTOPUZ <akinoztopuz@xxxxxxxxx>; linux clustering <linux-cluster@xxxxxxxxxx>
Sent: Friday, August 3, 2012 5:49 PM
Subject: Re: fencing issue in 2 nodes cluster
That should like it's fine then.
As a general rule though, I recommend roughly a 2:1 test:implement
ratio. So if it takes you a week to setup your cluster, take two weeks
to think of and test every failure you can think of. It's amazing how
many corner cases you find this way (and much of the two weeks will
actually be improving your design).
On 08/03/2012 04:13 AM, AKIN ÿffffffffffd6ZTOPUZ wrote:
> dont take any error
> and yes removed the method from command (default is onoff)
> exact line is at below:
> <fencedevice agent="fence_ipmilan" ipaddr="192.168.11.68" lanplus="1"
> login="clsfenceadmin" name="fence_node1" passwd="clsfenceadmin"
> power_wait="4" verbose="true"/>
> and I tested fencing using manually (making a kernel crash:Digimer
> note) and command with fence_node node1 .
> İt worked and services is
> *From:* Heiko Nardmann <heiko.nardmann@xxxxxxxxxxxxx
> *To:* linux-cluster@xxxxxxxxxx
> *Sent:* Friday, August 3, 2012 10:40 AM
> *Subject:* Re: fencing issue in 2 nodes cluster
> Am 03.08.2012 09:12, schrieb AKIN ÿffffffffffd6ZTOPUZ:
>> thanks all repilies
>> I added verbose parameter into fence agent line in cluster.conf
>> according to Heiko (verbose="true",method="onoff")
>> and I read the web link sent by Digimer .I tested fencing using
>> "echo c > /proc/sysrq-trigger" on node1.
>> after that I saw fencing occured and related services moved to
other node properly.
>> in this case can we say , fencing is ok ? or also should I use
>> fence_node command on node for being sure?
> No errors anymore? Did you reduce the number of parameters as Digimer
> suggested? Then it would be maybe interesting for others to see your
> working fence configuration as configured inside cluster.conf.
> I would suggest to test a little bit too much than doing not enough
> testing ... ;-) ... debugging afterwards is more costly than doing
> testing before ...
> So my recommendation would be to test that manually started fencing,
> too, to see whether any messages/errors appear.
> After that you are probably fine ...
> Kind regards,
> Linux-cluster mailing
> Linux-cluster mailing list
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