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

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 suse de>

High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX Products GmbH - A Novell Business

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dm-devel redhat com

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...


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