[dm-devel] Making failover work quickly with QLogic HBAs

[Arthur Bergman]

On 21 Apr 2005, at 13:23, Lars Marowsky-Bree wrote:

> This will greatly speed up failover times; with the defaults, the
> timeout values are just way too long for multipathing:
>
> options qla2xxx ql2xfailover=0 ql2xioctltimeout=10 
> ql2xprocessnotready=0 ql2xloginretrycount=3 ql2xsuspendcount=3 
> ql2xretrycount=5 qlport_down_retry=3
>
>
> Sincerely,
>     Lars Marowsky-Brée <lmb at suse.de>
>
> -- 
> High Availability & Clustering
> SUSE Labs, Research and Development
> SUSE LINUX Products GmbH - A Novell Business
>
> --
> dm-devel mailing list
> dm-devel at redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>

There has been discussions that this is not supported behaviour and 
could cause problems, in particular the supported configurations of big 
blue for their SDD multipath product states that you shouldn't do 
this...

Cheers
Arthur

-----
CTO @ Fotango Ltd
+447834716919
http://www.fotango.com/


-----
CTO @ Fotango Ltd
+447834716919
http://www.fotango.com/


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