09-23-2019
Hi,
This would indicate that the server was already connected to the SAN and that the command has been run to stop the system displaying multiple paths for each device, normally the first time you run stsmbooyt a reboot is required.
Regards
Gull04
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LEARN ABOUT DEBIAN
multipath
MULTIPATH(8) Linux Administrator's Manual MULTIPATH(8)
NAME
multipath - Device mapper target autoconfig
SYNOPSIS
multipath [-v verbosity] [-d] [-h|-l|-ll|-f|-t|-F-B] [-p failover|multibus|group_by_serial|group_by_prio|group_by_node_name] [device]
DESCRIPTION
multipath is used to detect multiple paths to devices for fail-over or performance reasons and coalesces them
OPTIONS
-v level
verbosity, print all paths and multipaths
0 no output
1 print the created or updated multipath names only, for use to feed other tools like kpartx
2 + print all info : detected paths, coalesced paths (ie multipaths) and device maps
-h print usage text
-d dry run, do not create or update devmaps
-l show the current multipath topology from information fetched in sysfs and the device mapper
-ll show the current multipath topology from all available information (sysfs, the device mapper, path checkers ...)
-f flush a multipath device map specified as parameter, if unused
-F flush all unused multipath device maps
-t print internal hardware table to stdout
-r force devmap reload
-B treat the bindings file as read only
-p policy
force new maps to use the specified policy:
failover 1 path per priority group
multibus all paths in 1 priority group
group_by_serial
1 priority group per serial
group_by_prio
1 priority group per priority value. Priorities are determined by callout programs specified as a global, per-con-
troller or per-multipath option in the configuration file
group_by_node_name
1 priority group per target node name. Target node names are fetched in /sys/class/fc_transport/target*/node_name.
Existing maps are not modified.
device update only the devmap the path pointed by device is in. device is in the /dev/sdb (as shown by udev in the $DEVNAME variable) or
major:minor format. device may alternatively be a multipath mapname
SEE ALSO
multipathd(8), multipath.conf(5), kpartx(8), udev(8), dmsetup(8) hotplug(8)
AUTHORS
multipath was developed by Christophe Varoqui, <christophe.varoqui@opensvc.com> and others.
July 2006 MULTIPATH(8)