[dm-devel] [PATCH v2 2/6] libmultipath: add eh_deadline multipath.conf parameter

Martin Wilck martin.wilck at suse.com
Wed Dec 16 21:07:17 UTC 2020


On Wed, 2020-11-04 at 00:54 -0600, Benjamin Marzinski wrote:
> There are times a fc rport is never lost, meaning that
> fast_io_fail_tmo
> and dev_loss_tmo never trigger, but scsi commands still hang. This
> can
> cause problems in cases where users have strict timing requirements,
> and
> the easiest way to solve these issues is to set eh_deadline. Since
> it's
> already possible to set fast_io_fail_tmo and dev_loss_tmo from
> multipath.conf, and have multipath take care of setting it correctly
> for
> the scsi devices in sysfs, it makes sense to allow users to set
> eh_deadline here as well.
> 
> Signed-off-by: Benjamin Marzinski <bmarzins at redhat.com>

Reviewed-by: Martin Wilck <mwilck at suse.com>





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