Re: Fencing race again in centos6.2 with rhcs_fence

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On 02/03/2012 06:15 PM, Miguel Angel Guerrero wrote:
> Hi all
> 
> I try to setup my cluster configuration with centos 6.2 and drbd 8.4,
> but again i have a fencing race situation, in this case the problem is
> bigger, because if a hangup any node both nodes halt, if i disconnect
> a drbd network cable both nodes halt, i try change the outdata-peer
> handler with /sbin/obliterate-peer.sh with the "sleep 10" in one node
> but the result is the same, the next pastebin have the log output of
> both nodes (with rhcs_fence in debug mode) and my config files
> http://pastebin.com/Kr4FPScs
> 
> thanks for the help

Hi,

  It looks like rhcs_fence is being called repeatedly:

  Starting at line 23, we see that it start up:

Feb  3 17:48:13 wsguardian1 rhcs_fence: 74; Attempting to fence peer
using RHCS from DRBD...
...

  Then at line 42, it starts again:

Feb  3 17:48:13 wsguardian1 rhcs_fence: 74; Attempting to fence peer
using RHCS from DRBD...

  It seems to be called five times, and never finishes. Without a
successful exit, DRBD will hang.

Can you share your DRBD configuration files please? The 'rhcs_fence'
agent was tested on RHEL/CentOS 6.x and DRBD 8.3 only. If there is a
patch needed to make it work on 8.4, I would like to sort it out and get
it applied.

-- 
Digimer
E-Mail:              digimer@xxxxxxxxxxx
Papers and Projects: https://alteeve.com

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