[ClusterLabs] Pacemaker/pcs & DRBD not demoting secondary node to Slave (always Stopped)
lists at alteeve.ca
Mon Sep 21 13:58:30 EDT 2015
On 21/09/15 11:23 AM, Jason Gress wrote:
> Yeah, I had problems, which I am thinking might be firewall related. In a
> previous place of employment I had ipmi working great (but with
> heartbeat), so I do have some experience with IPMI STONITH.
If you can query the IPMI sensor data, you should have no trouble
fencing. It's basically a wrapper for ipmitool. Can you use ipmitool to
query anything over the network?
> [root at fx201-1a ~]# fence_ipmilan -a 10.XX.XX.XX -l root -p calvin -o status
> Failed: Unable to obtain correct plug status or plug is not available
> (Don't worry, default dell pw left in for illustrative purposes only!)
That doesn't make sense... No plug is needed for IPMI fencing. What OS
and what hardware?
> When I tried to watch it with tcpdump, it seems to use random ports, so I
> couldn't really advise the firewall team on how to make this work. SSH
> into the drac works fine, and IPMI over IP is enabled. If anyone has
> ideas on this, they would be greatly appreciated.
You're initiating the connection, so no firewall edits should be needed
(anything returning should be ESTABLISHED/RELATED).
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