[dm-devel] [PATCH 1/1] dm-multipath: delay retry of bypassed pg

[Mike Snitzer]

On Tue, Apr 17 2012 at  1:46am -0400,
michaelc at cs.wisc.edu <michaelc at cs.wisc.edu> wrote:

> From: Mike Christie <michaelc at cs.wisc.edu>
> 
> If there are only bypassed PGs available then we do not want
> to retry right away. If for example the controller was getting
> reset or there was a fw upgrade going on and that was the reason
> for the bypass, then retrying right away is going to cause a flood of
> log messages and retries for what could be a longish time (more than
> a couple seconds and possible up to several minutes).
> 
> For the case where the only PGs are ones that are bypassed this
> patch will have dm-multipath delay the pg init by setting the
> pg_init_delay_retry flag.
> 
> Signed-off-by: Mike Christie <michaelc at cs.wisc.edu>

Acked-by: Mike Snitzer <snitzer at redhat.com>