[Pacemaker] change sbd watchdog timeout in a running cluster

emmanuel segura emi2fast at gmail.com
Wed Mar 27 09:26:29 UTC 2013


Hello Lars

We have no iowait on disks in very load time, i'll try 30s timeout

thanks for everything

2013/3/27 Lars Marowsky-Bree <lmb at suse.com>

> On 2013-03-26T18:22:07, emmanuel segura <emi2fast at gmail.com> wrote:
>
> > Hello Lars
> >
> > what timeout you recommend me
>
> I don't know your environment.
>
> I don't think that using a timeout of more than 10-30s makes sense,
> though. The new SBD versions will not become stuck on IO anymore, and if
> you have multiple disks, you're protected against one of them being
> slow.
>
> In summary: set the timeout so that it covers the maximum time you
> expect all your disks to be unavailable at once.
>
>
>
> 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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