[Cluster-devel] cluster4 dlm dlm_stonith ??? should it really fence by turning node off?

[David Teigland <teigland@redhat.com>]

On Sat, Nov 03, 2012 at 03:58:28PM +0100, Jacek Konieczny wrote:
> Hello,
> 
> The dlm_stonith fencing helper is really convenient when Pacemaker is in
> use. Though, it doesn't quite work as I would expect ??? when fencing 
> is needed it requests a node to be turned off instead of rebooting. And
> it doesn't handle unfencing ??? so automatic recovery is not possible
> (rebooted node could join the cluster cleanly later, provided quorum
> handling is properly configured in the cluster stack).
> 
> Preferably this behaviour should be configurable. I have hacked a
> work-around by (ab)using argv[0] ??? when 'dlm_stonith' is called as
> 'dlm_stonith_reboot' the node would be rebooted instead of halting 
> ??? this works for me well-enough, but I don't think this is the right
> solution.

Could you send the patch?  Do you think the patch is not right or reboot
is not right?  If the later, what do you think is wrong with reboot?

> Any ideas how to solve that properly? An argument for the helper to be
> included in the config file? Or, maybe, just change the default
> behaviour?
> 
> Greets,
>         Jacek