@:~$ sudo dmsetup table mpath2: 0 8388608 multipath 1 queue_if_no_path 0 1 1 round-robin 0 4 1 8:48 1000 8:96 1000 8:144 1000 8:192 1000 mpath1: 0 8388608 multipath 1 queue_if_no_path 0 1 1 round-robin 0 4 1 8:128 1000 8:32 1000 8:80 1000 8:176 1000 mpath0: 0 1048576000 multipath 1 queue_if_no_path 0 1 1 round-robin 0 4 1 8:160 1000 8:16 1000 8:64 1000 8:112 1000 test2-lvol0: 0 8380416 linear 8:192 384 test-lvol0: 0 8380416 linear 8:176 384 -san: 0 1048567808 linear 8:160 384 -slash: 0 48824320 linear 8:1 384 -swap: 0 9764864 linear 8:1 48824704 ---- @:~$ sudo echo "show config" | sudo multipathd -k multipathd> show config defaults { user_friendly_names yes } blacklist { devnode ^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]* devnode ^hd[a-z] devnode ^dcssblk[0-9]* devnode ^cciss!c[0-9]d[0-9]* wwid 3600605b0039afe20ff000054052e7d38 device { vendor DGC product LUNZ } device { vendor IBM product S/390.* } } blacklist_exceptions { } devices { device { vendor APPLE* product Xserve RAID path_grouping_policy multibus } device { vendor 3PARdata product VV path_grouping_policy multibus } device { vendor DEC product HSG80 path_grouping_policy group_by_prio path_checker hp_sw features 1 queue_if_no_path hardware_handler 1 hp_sw prio_callout /sbin/mpath_prio_hp_sw /dev/%n } device { vendor HP product A6189A path_grouping_policy multibus path_checker readsector0 } device { vendor (COMPAQ|HP) product (MSA|HSV)1.0.* path_grouping_policy group_by_prio path_checker hp_sw features 1 queue_if_no_path hardware_handler 1 hp_sw prio_callout /sbin/mpath_prio_hp_sw /dev/%n } device { vendor HP product MSA VOLUME path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_alua /dev/%n failback immediate } device { vendor (COMPAQ|HP) product (MSA|HSV)1.1.* path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_alua /dev/%n failback immediate } device { vendor HP product HSV2.* path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_alua /dev/%n failback immediate } device { vendor HP product LOGICAL VOLUME.* path_grouping_policy multibus getuid_callout /lib/udev/scsi_id -n -g -u -d /dev/%n path_checker tur } device { vendor DDN product SAN DataDirector path_grouping_policy multibus } device { vendor EMC product SYMMETRIX path_grouping_policy multibus getuid_callout /lib/udev/scsi_id -g -u -ppre-spc3-83 -d /dev/%n path_checker readsector0 } device { vendor DGC product .* product_blacklist LUNZ path_grouping_policy group_by_prio path_checker emc_clariion features 1 queue_if_no_path hardware_handler 1 emc prio_callout /sbin/mpath_prio_emc /dev/%n failback immediate no_path_retry 60 } device { vendor FSC product CentricStor path_grouping_policy group_by_serial path_checker readsector0 } device { vendor (HITACHI|HP) product OPEN-.* path_grouping_policy multibus path_checker tur features 1 queue_if_no_path } device { vendor HITACHI product DF.* path_grouping_policy group_by_prio path_checker tur features 1 queue_if_no_path prio_callout /sbin/mpath_prio_hds_modular /dev/%n failback immediate } device { vendor IBM product ProFibre 4000R path_grouping_policy multibus path_checker readsector0 } device { vendor IBM product 1742 path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_rdac /dev/%n failback immediate } device { vendor IBM product 3526 path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_rdac /dev/%n failback immediate } device { vendor IBM product 3542 path_grouping_policy group_by_serial path_checker tur } device { vendor IBM product 2105(800|F20) path_grouping_policy group_by_serial path_checker tur features 1 queue_if_no_path } device { vendor IBM product 1750500 path_grouping_policy group_by_prio path_checker tur features 1 queue_if_no_path prio_callout /sbin/mpath_prio_alua /dev/%n failback immediate } device { vendor IBM product 2107900 path_grouping_policy multibus path_checker tur features 1 queue_if_no_path } device { vendor IBM product 2145 path_grouping_policy group_by_prio path_checker tur features 1 queue_if_no_path prio_callout /sbin/mpath_prio_alua /dev/%n failback immediate } device { vendor IBM product S/390 DASD ECKD product_blacklist S/390.* path_grouping_policy multibus getuid_callout /sbin/dasdinfo -u -b %n features 1 queue_if_no_path } device { vendor NETAPP product LUN.* path_grouping_policy group_by_prio path_checker readsector0 features 1 queue_if_no_path prio_callout /sbin/mpath_prio_netapp /dev/%n failback immediate rr_min_io 128 } device { vendor IBM product Nseries.* path_grouping_policy group_by_prio path_checker readsector0 features 1 queue_if_no_path prio_callout /sbin/mpath_prio_netapp /dev/%n failback immediate rr_min_io 128 } device { vendor Pillar product Axiom.* path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_alua %n } device { vendor SGI product TP9[13]00 path_grouping_policy multibus path_checker readsector0 } device { vendor SGI product TP9[45]00 path_grouping_policy group_by_prio path_checker rdac prio_callout /sbin/mpath_prio_rdac /dev/%n failback immediate no_path_retry queue } device { vendor SGI product IS.* path_grouping_policy group_by_prio path_checker rdac prio_callout /sbin/mpath_prio_rdac /dev/%n failback immediate no_path_retry queue } device { vendor STK product OPENstorage D280 path_grouping_policy group_by_prio path_checker tur prio_callout /sbin/mpath_prio_rdac /dev/%n failback immediate } device { vendor SUN product (StorEdge 3510|T4) path_grouping_policy multibus path_checker readsector0 } } multipaths { } multipathd>