/etc/multipath.conf
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Default /etc/multipath.conf
[1] Configuration:
cat /etc/multipath.conf | grep -v "#" | grep . defaults { user_friendly_names yes }
RHEL cat /etc/multipath.conf | grep -v "#" | grep . defaults { polling_interval 5 no_path_retry 4 user_friendly_names no flush_on_last_del yes fast_io_fail_tmo 5 dev_loss_tmo 30 max_fds 4096 } blacklist { protocol "(scsi:adt|scsi:sbp)" } devices { device { all_devs yes no_path_retry 4 } }
Options
no_path_retry
- Specify the number of retries until disable queueing, or
fail
for immediate failure (no queueing),queue
for never stop queueing. If unset no queueing is attempted. Default is unset.
- Specify the number of retries until disable queueing, or
features
- Specify any device-mapper features to be used. Syntax is num list where num is the number of features in list. Possible values for the feature list are
queue_if_no_path
(Use carefully, see know issues in man page[2] and errata in SUSE https://www.suse.com/support/kb/doc/?id=7022310)- Queue IO if no path is active; identical to the no_path_retry keyword.
no_partitions
- Disable automatic partitions generation via kpartx.
Activities
- Change
no_path_retry
tono_path_retry "queue"
inmultipath.conf
[3] configuration options to avoidpvs
to hang : https://www.suse.com/support/kb/doc/?id=7022310
See also
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