On 08/05/2016 08:39 AM, Laurence Oberman wrote: > I completely forgot I had set no_path_retry=12, so after 12 retries it will error out. > This is likely why I had different results seemingly affected by timing. > Mike reminded me of it this morning. > > What do you have set for no_path_retry, because when I set it to queue, it blocks the paths coming back for some reason. > I am now investigating why that is happening :). > I see now I need to add "simultaneous all paths lost" scenarios to my QA testing, as its not a common scenario. Hello Laurence, I'm using the following multipath.conf file for the tests I run: defaults { user_friendly_names yes queue_without_daemon no } blacklist { device { vendor "ATA" product ".*" } } devices { device { vendor "SCST_BIO|LIO-ORG" product ".*" features "3 queue_if_no_path pg_init_retries 50" path_grouping_policy group_by_prio path_selector "queue-length 0" path_checker tur } } blacklist_exceptions { property ".*" } Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html