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authorMike Christie <michaelc@cs.wisc.edu>2012-06-03 00:29:45 +0100
committerAlasdair G Kergon <agk@redhat.com>2012-06-03 00:29:45 +0100
commitf220fd4efb334a772f9a14b2372175f38d89355e (patch)
treeeeca11526d28f47e7595c66079621e4bfb1e827c /Documentation
parent1fbdd2b3a3cf77f77b0cdf25dd969241ea2c0ce1 (diff)
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dm mpath: delay retry of bypassed pg
If I/O needs retrying and only bypassed priority groups are available, set the pg_init_delay_retry flag to wait before retrying. If, for example, the reason for the bypass is that the controller is getting reset or there is a firmware upgrade happening, retrying right away would cause a flood of log messages and retries for what could be a few seconds or even several minutes. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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