[Pacemaker] Fixed! - Re: Problem with dual-PDU fencing node with redundant PSUs

Lars Marowsky-Bree lmb at suse.com
Fri Jun 28 06:46:55 EDT 2013


On 2013-06-28T20:21:22, Andrew Beekhof <andrew at beekhof.net> wrote:

> > It looks correct, but not quite sane. ;-) That seems not to be
> > something you can address, though. I'm thinking that fencing topology
> > should be smart enough to, if multiple fencing devices are specified, to
> > know how to expand them to "first all off (if off fails anywhere, it's a
> > failure), then all on (if on fails, it is not a failure)". That'd
> > greatly simplify the syntax.
> The RH agents have apparently already been updated to support multiple ports.
> I'm really not keen on having the stonith-ng doing this.

I'd agree, but it's not multiple ports on the same device, it's multiple
ports on *different* devices. I don't think a single fencing agent can
handle that - it really looks like something only the higher level can
cope with.


Regards,
    Lars

-- 
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde





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