[Linux-cluster] ACPI like feature on RHEL 7 with Pacemaker?

[Robert Hayden]

Just wanted to follow up.   I was able to further test.  Using the
"acpi=off" on the kernel line appears to have eliminated the timing issue I
was seeing on my hardware setup.

Thanks
Robert

On Fri, Mar 18, 2016 at 8:24 AM, Robert Hayden <rhayden.public at gmail.com>
wrote:

> I was testing fence_ipmilan on RHEL 7 cluster and noticed that running the
> fence agent with the option to power off the remote node, it appears to
> cleanly stop the remote node instead of removing power immediately.  I
> suspect something like ACPI intercepting the power off and trying to stop
> RHEL 7 nicely.  I read through the documentation and did not see any
> mentions of turning off acpid in RHEL 7 (may because it does not exist)
> like in the RHEL 6 documentation.
>
>
>
> Is the proper way to disable acpi like functionality to use the kernel
> line acpi=off?  Curious on what others are using with HP iLO.
>
>
>
> Example of remote node’s /var/log/messages … the RHCS_TESTING lines are my
> unit testing scripts that insert the command I am running.  You can see
> where I attempt to power off the node and then how system is starting to
> cleanly stop the node along with pacemaker.
>
>
>
> Mar 17 15:38:37 node2 RHCS_TESTING: .
>
> Mar 17 15:38:37 node2 RHCS_TESTING: CMD/MSG: fence_ipmilan -P -a x.x.x.x
> -l XXXXXX -p XXXXX  -L OPERATOR -A password -o off
>
> Mar 17 15:38:37 node2 RHCS_TESTING: .
>
> Mar 17 15:38:37 node2 systemd-logind: Removed session 993.
>
> Mar 17 15:38:37 node2 systemd: Removed slice user-0.slice.
>
> Mar 17 15:38:37 node2 systemd: Stopping user-0.slice.
>
> Mar 17 15:38:37 node2 systemd-logind: Power key pressed.
>
> Mar 17 15:38:37 node2 systemd-logind: Powering Off...
>
> Mar 17 15:38:37 node2 systemd-logind: System is powering down.
>
> Mar 17 15:38:37 node2 systemd: Stopping Availability of block devices...
>
> Mar 17 15:38:37 node2 systemd: Stopping LVM2 PV scan on device 8:2...
>
> Mar 17 15:38:37 node2 systemd: Stopping Pacemaker High Availability
> Cluster Manager...
>
> Mar 17 15:38:37 node2 systemd: Deactivating swap
> /dev/mapper/vg00-swaplv00...
>
> Mar 17 15:38:37 node2 pacemakerd[79586]:  notice: Invoking handler for
> signal 15: Terminated
>
> Mar 17 15:38:37 node2 pacemakerd[79586]:  notice: Shuting down Pacemaker
>
> Mar 17 15:38:37 node2 pacemakerd[79586]:  notice: Stopping crmd: Sent -15
> to process 79592
>
> Mar 17 15:38:37 node2 crmd[79592]:  notice: Invoking handler for signal
> 15: Terminated
>
> Mar 17 15:38:37 node2 crmd[79592]:  notice: Requesting shutdown, upper
> limit is 1200000ms
>
> Mar 17 15:38:37 node2 crmd[79592]:  notice: State transition S_IDLE ->
> S_POLICY_ENGINE [ input=I_SHUTDOWN cause=C_SHUTDOWN origin=crm_shutdown ]
>
> Mar 17 15:38:37 node2 multipathd: mpathb: stop event checker thread
> (140595795502848
>
>
>
>
>
> Thanks
>
> Robert
>
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