[Linux-HA] External Stonith Plugin

[Dejan Muhamedagic]

Hi,

On Sun, Oct 14, 2007 at 07:00:56PM +0200, Andreas Mock wrote:
> Hi Dejan, hi all,
> 
> we're using HAv2 and the external stonith plugin 'ibmrsa' for some
> time now in a productive environment.
> 
> Sadly 'ibmrsa' is not 'stable'. We use it with monitoring action every 300 seconds.
> But time by time I get errors indicating unknown communication errors between
> the IBMmpcli agent and the RSA-board.  I don't know why. This lead to complete
> failure of the stonith resource about every three days. 

We never encountered problems of that kind. Perhaps a fw upgrade
would help. You should also report a problem with your hw
supplier.

> Besides of that IBMmpcli agent is using much CPU time.

It's Java :)

> That was the reason I decided to write a new implementation based on
> telnet access to the RSA board. Some of you may remember several questions
> of mine regarding stonith plugin.  :-) Another advantage of this is, that the
> stonith plugin can be adapted simply for any kind of stonith device with
> telnet access.

Cool.

BTW, there's also ipmi. Did you try that? I think that IBM BMC
supports ipmi.

> To give something back to the HA comunity I would like to offer this piece
> of software. It's working stable for several days now in our environment, so that
> I'm confident to offer a mature functionality.
> 
> If you're interested in having a look at it and probably accepting it for the
> HA package I would upload it.

Sure. Just post the code. Please contact Alan Robertson to
clarify the legal stuff.

Thanks,

Dejan

> Best regards
> Andreas Mock
> 
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