MULTIPATHD(8) System Manager's Manual MULTIPATHD(8) (NAME) multipathd - (SYNOPSIS) multipathd [-d] [-s] [-v verbosity] [-B] [-w] multipathd [-v verbosity] -kcommand multipathd [-v verbosity] -k (DESCRIPTION) multipathd . (multipath map) (redundancy) . -k multipathd multipathd ( (COMMANDS) ). (OPTIONS) -d (Foreground). . -s . . -v level (verbosity). multipathd . . . -B . multipathd user_friendly_names . (user_friendly_name) WWID . -kcommand multipathd ( (COMMANDS) ). multipathd -k'show topology' . -k . -k . . multipathd show paths format "%n %w". -k multipathc ( (COMMANDS) ). -n (IGNORED). find_multipaths multipathd . multipath.conf(5) . -w 4.14 device- mapper dmevents . . MULTIPATHD (COMMUNICATING WITH MULTIPATHD) multipathd libmpathcmd ( (COMMANDS) ) multipathd . multipathd @/org/kernel/linux/storage/multipathd /run/multipathd.socket . libmpathcmd multipathd . multipathd bind . multipathd list|show . (root) . multipathd . multipathd.socket multipathd . multipathd.socket @/org/kernel/linux/storage/multipathd /run/multipathd.socket . multipathd.socket MULTIPATH_SOCKET_NAME multipathd . CLI multipathd ( libmpathcmd ) . (COMMANDS) : list|show paths multipathd . list|show paths [raw] format $format multipathd . raw . list|show path $path $path. list|show maps|multipaths multipathd . list|show maps|multipaths [raw] format $format . raw . list|show maps|multipaths status multipathd . list|show maps|multipaths stats . list|show maps|multipaths topology . 'multipath -ll'. list|show maps|multipaths json JSON. list|show topology . 'multipath -ll'. list|show map|multipath $map topology $map ( 36005076303ffc56200000000000010aa). 'list maps' . list|show map|multipath $map [raw] format $format. $map . list|show map|multipath $map json $map JSON. list|show wildcards $format . list|show config /etc/multipath.conf. list|show config local show config . list|show blacklist (blacklist) /etc/multipath.conf. list|show devices . list|show status multipathd uevent . list|show daemon multipathd. reset maps|multipaths stats . reset map|multipath $map stats $map. add path $path . $path /sys/block ( sda). remove|del path $path . $path /sys/block ( sda). add map|multipath $map . $map device-mapper /sys/block ( dm-0) ( mpath1) uid . remove|del maps|multipaths . remove|del map|multipath $map $map. resize map|multipath $map $map . switch|switchgroup map|multipath $map group $group . $group . reconfigure . SIGHUP . reconfigure all . multipath -r . suspend map|multipath $map $map (suspend). resume map|multipath $map $map . reset map|multipath $map () device-mapper . reload map|multipath $map . fail path $path $path (failed). reinstate path $path $path . disablequeueing maps|multipaths . restorequeueing maps|multipaths no_path_retry disablequeueing . disablequeueing map|multipath $map $map. restorequeueing map|multipath $map no_path_retry $map. forcequeueing daemon multipathd queue_without_daemon no_path_retry . restorequeueing daemon queue_without_daemon. setprstatus map|multipath $map (persistent reservation) $map. setprstatus map|multipath $map pathlist $pathlist $map multipathd . unsetprstatus map|multipath $map $map. getprstatus map|multipath $map $map. getprkey map|multipath $map $map. setprkey map|multipath $map key $key $map $key prkeys_file. unsetprkey map|multipath $map $map prkeys_file. setmarginal path $path $path (marginal). unsetmarginal . unsetmarginal path $path $path . unsetmarginal map $map $map . quit|exit . shutdown multipathd. (Format Wildcards) multipathd $format . . . : (Multipath format wildcards) %n . %w WWID ( uuid). %d sysfs (dm-). %F failback . %Q no_path_retry . %N . %r (ro rw). %t device-mapper (suspend active). %S K M G T P. %f ("features") device-mapper . %x / ( %4). %h . %A multipathd ( ). %0 . %1 multipathd . %2 multipathd . %3 multipathd . %4 / ( %x). %s / . %v . %p . %e . %G -- device- mapper. %g vpd ( 0xc0 HPE 3PAR / Primera / Alletra). %k max_sectors_kb . (Path format wildcards) %w WWID ( uuid). %i Host:Channel:Id:Lun SCSI / NVMe. %d sysfs . %D major:minor . %t device-mapper (active failed). %o ("offline" "running"). %T multipathd . : ready / . faulty . shaky / . ghost (stand-by) . i/o pending . i/o timeout . delayed . undef . %s // . %c . %C . %p . %S K M G T P. %z . %M (marginal normal). %m [offline] [orphan]. %N (WWNN) . %n (WWNN) . %R (WWPN) . %r (WWPN) . %a ( SCSI). %G -- . %g vpd . %0 . %P . /etc/multipath.conf(5) . %I ( ok ). %L SCSI LUN . %A ALUA . %k max_sectors_kb . SYSTEMD (SYSTEMD INTEGRATION) systemd systemd : multipathd.service multipathd.socket. multipathd.socket systemd CLI CLI . multipathd.service . sd_notify(3) systemd . : WatchdogSec= systemd . multipath sd_notify(3) systemd . OOMScoreAdjust= OOM . LimitNOFILE= max_fds . (SEE ALSO) multipathc(8), multipath(8), kpartx(8), sd_notify(3), systemd.service(5). (AUTHORS) multipath-tools Christophe Varoqui . Linux 2024-05-29 MULTIPATHD(8)