Hi All,
First of all, thanks for the brilliant documentation at clusterlabs
and the alteeva.ca tutorials! They helped me out a lot.
I am relatively new to pacemaker but come from a Solaris background
with cluster experience, I am now trying to get on board with pacemaker
I have setup a 2 node cluster with a shared lun using pacemaker, cman,
dlm, clvmd and gfs. I have configured 2 stonith devices each to fence
either node.
The issue I have is that when i test an unclean shutdown of the 2nd
node, pacemaker goes ahead and fences the second node, but clvmd then
goes in to a failed state on node 1 and then it fences itself (shuts
down node 1).
I suspect it has something to do with me setting the on-fail=fence for
the dlm/clvmd services/RA's. DLM appears to be fine, but clvmd is the
one that goes in to a failed state. I suspect I have an issue with
timeouts here, but, being new to pacemaker I cannot see where, I am
hoping a new pair of eyes can see where I am going wrong here.
I am running, CentOS 6.5 in vmware, using the fence_vmware_soap
stonith agents. Pacemaker is at version 1.1.10-14, CMAN is at version
3.0.12.1-59.
I used the following tutorial to assist me in setting up
dlm/clmvd/gfs2 on CentOS 6.5 (if it helps in the debugging)
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/7-Beta/html/Global_File_System_2/ch-clustsetup-GFS2.html
Any assistance, tips, tricks, comments, criticisms are all welcome
I have attached my cluster.conf if required, some node name
obfuscation has been done. If you need any additional info, please
dont hesitate to ask.
Thanks
Your setup is completely wrong, sorry. You must use RHEL6 documentation
not RHEL7.
in short, you should create cman cluster according to RHEL6 docs, but
use pacemaker instead of rgmanager and fence_pcmk as fence agent for cman.
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