[Linux-cluster] fencing issue in 2 nodes cluster

AKIN ÿffffffffffd6ZTOPUZ akinoztopuz at yahoo.com
Fri Aug 3 08:13:47 UTC 2012


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 relocated properly
 
 
thanks               
 

________________________________
 From: Heiko Nardmann <heiko.nardmann at itechnical.de>
To: linux-cluster at redhat.com 
Sent: Friday, August 3, 2012 10:40 AM
Subject: Re: [Linux-cluster] fencing issue in 2 nodes cluster
  

Am 03.08.2012 09:12, schrieb AKIN ÿffffffffffd6ZTOPUZ:
 
Hi 
>  
>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,

    Heiko

 
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