Description of problem: This is ia follow up to BZ 226791 but the problem is specifically related to aliases so I opened this BZ. This will make it easy to seach for alias related issues. My multipath.conf file has the aliases defined for 4 devices but only 2 aliases are created and the other 2 devices get the user_friendly_names [root@perf6 mpath]# cd /dev/mpath/ [root@perf6 mpath]# pwd /dev/mpath [root@perf6 mpath]# ls -l total 0 lrwxrwxrwx 1 root root 7 Feb 1 19:43 mpath4 -> ../dm-4 lrwxrwxrwx 1 root root 7 Feb 1 19:43 mpath5 -> ../dm-5 lrwxrwxrwx 1 root root 7 Feb 1 19:42 oramp1 -> ../dm-2 lrwxrwxrwx 1 root root 7 Feb 1 19:42 oramp2 -> ../dm-3 As you can see, 2 of the devices have the alias names and other 2 have user friendly names [root@perf6 ~]# cat /etc/multipath.conf # This is an example configuration file for device mapper multipath. # For a complete list of the default configuration values, see # /usr/share/doc/device-mapper-multipath-0.4.5/multipath.conf.defaults # For a list of configuration options with descriptions, see # /usr/share/doc/device-mapper-multipath-0.4.5/multipath.conf.annotated # # # Blacklist all devices by default. Remove this to enable multipathing # on the default devices. #blacklist { # devnode "*" #} # ## By default, devices with vendor = "IBM" and product = "S/390.*" are ## blacklisted. To enable mulitpathing on these devies, uncomment the ## following lines. #blacklist_exceptions { # device { # vendor "IBM" # product "S/390.*" # } #} # ## Use user friendly names, instead of using WWIDs as names. ## This is a template multipath-tools configuration file ## Uncomment the lines relevent to your environment ## defaults { # udev_dir /dev # polling_interval 10 # selector "round-robin 0" # path_grouping_policy multibus # getuid_callout "/sbin/scsi_id -g -u -s /block/%n" # prio_callout /bin/true # path_checker readsector0 # rr_min_io 100 # rr_weight priorities # failback immediate # no_path_retry fail user_friendly_names yes } ## ## The wwid line in the following blacklist section is shown as an example ## of how to blacklist devices by wwid. The 3 devnode lines are the ## compiled in default blacklist. If you want to blacklist entire types ## of devices, such as all scsi devices, you should use a devnode line. ## However, if you want to blacklist specific devices, you should use ## a wwid line. Since there is no guarantee that a specific device will ## not change names on reboot (from /dev/sda to /dev/sdb for example) ## devnode lines are not recommended for blacklisting specific devices. ## blacklist { wwid 20010b9fc0813836e wwid 20010b9fc08148885 } #devnode_blacklist { # wwid 20010b9fc0813836e # devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*" # devnode "^hd[a-z]" # devnode "^cciss!c[0-9]d[0-9]*" #} # multipaths { multipath { wwid 3600805f30015987000000000768a0019 alias oramp1 } multipath { wwid 3600805f30015987000000000d643001a alias oramp2 } mulitpath { wwid 3600805f3001598700000000086fc001b alias oramp3 } mulitpath { wwid 3600805f300159870000000000984001c alias oramp4 } } devices { # device { # vendor "COMPAQ " # product "HSV110 (C)COMPAQ" # path_grouping_policy multibus # getuid_callout "/sbin/scsi_id -g -u -s /block/%n" # path_checker readsector0 # path_selector "round-robin 0" # hardware_handler "0" # failback 15 # rr_weight priorities # no_path_retry queue # } device { vendor "COMPAQ|HP " product "MSA1*" path_grouping_policy group_by_serial } } The wwid of the 4 devices have also been listed below to rule out the possibility of wrong wwids entered in the conf file. [root@perf6 ~]# scsi_id -g -s /block/sdc 3600805f30015987000000000768a0019 [root@perf6 ~]# scsi_id -g -s /block/sdd 3600805f30015987000000000d643001a [root@perf6 ~]# scsi_id -g -s /block/sde 3600805f3001598700000000086fc001b [root@perf6 ~]# scsi_id -g -s /block/sdf 3600805f300159870000000000984001c Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: Here is an output of multipath -v6 [root@perf6 ~]# multipath -v6 dm-0: blacklisted dm-1: blacklisted dm-2: blacklisted dm-3: blacklisted dm-4: blacklisted dm-5: blacklisted dm-6: blacklisted dm-7: blacklisted fd0: blacklisted hdb: blacklisted md0: blacklisted ram0: blacklisted ram10: blacklisted ram11: blacklisted ram12: blacklisted ram13: blacklisted ram14: blacklisted ram15: blacklisted ram1: blacklisted ram2: blacklisted ram3: blacklisted ram4: blacklisted ram5: blacklisted ram6: blacklisted ram7: blacklisted ram8: blacklisted ram9: blacklisted sda: not found in pathvec sda: mask = 0x1f sda: bus = 1 sda: dev_t = 8:0 sda: size = 142264000 sda: vendor = COMPAQ sda: product = BD07287B4C sda: rev = HPB5 sda: h:b:t:l = 0:0:4:0 sda: serial = D20KRZAK sda: path checker = readsector0 (config file default) sda: state = 2 sda: getprio = NULL (internal default) sda: prio = 1 sda: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sda: uid = 20010b9fc0813836e (callout) sdb: not found in pathvec sdb: mask = 0x1f sdb: bus = 1 sdb: dev_t = 8:16 sdb: size = 142264000 sdb: vendor = COMPAQ sdb: product = BD07287B4C sdb: rev = HPB5 sdb: h:b:t:l = 0:0:6:0 sdb: serial = D20LYCWK sdb: path checker = readsector0 (config file default) sdb: state = 2 sdb: getprio = NULL (internal default) sdb: prio = 1 sdb: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdb: uid = 20010b9fc08148885 (callout) sdc: not found in pathvec sdc: mask = 0x1f sdc: bus = 1 sdc: dev_t = 8:32 sdc: size = 142239510 sdc: vendor = COMPAQ sdc: product = MSA1000 VOLUME sdc: rev = 4.32 sdc: h:b:t:l = 2:0:0:5 sdc: tgt_node_name = 0x500805f300159870 sdc: serial = P56350GX3RJ0FJ sdc: path checker = readsector0 (config file default) sdc: state = 2 sdc: getprio = NULL (internal default) sdc: prio = 1 sdc: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdc: uid = 3600805f30015987000000000768a0019 (callout) sdd: not found in pathvec sdd: mask = 0x1f sdd: bus = 1 sdd: dev_t = 8:48 sdd: size = 142239510 sdd: vendor = COMPAQ sdd: product = MSA1000 VOLUME sdd: rev = 4.32 sdd: h:b:t:l = 2:0:0:6 sdd: tgt_node_name = 0x500805f300159870 sdd: serial = P56350GX3RJ0FJ sdd: path checker = readsector0 (config file default) sdd: state = 2 sdd: getprio = NULL (internal default) sdd: prio = 1 sdd: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdd: uid = 3600805f30015987000000000d643001a (callout) sde: not found in pathvec sde: mask = 0x1f sde: bus = 1 sde: dev_t = 8:64 sde: size = 142239510 sde: vendor = COMPAQ sde: product = MSA1000 VOLUME sde: rev = 4.32 sde: h:b:t:l = 2:0:0:7 sde: tgt_node_name = 0x500805f300159870 sde: serial = P56350GX3RJ0FJ sde: path checker = readsector0 (config file default) sde: state = 2 sde: getprio = NULL (internal default) sde: prio = 1 sde: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sde: uid = 3600805f3001598700000000086fc001b (callout) sdf: not found in pathvec sdf: mask = 0x1f sdf: bus = 1 sdf: dev_t = 8:80 sdf: size = 71119755 sdf: vendor = COMPAQ sdf: product = MSA1000 VOLUME sdf: rev = 4.32 sdf: h:b:t:l = 2:0:0:8 sdf: tgt_node_name = 0x500805f300159870 sdf: serial = P56350GX3RJ0FJ sdf: path checker = readsector0 (config file default) sdf: state = 2 sdf: getprio = NULL (internal default) sdf: prio = 1 sdf: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdf: uid = 3600805f300159870000000000984001c (callout) sdg: not found in pathvec sdg: mask = 0x1f sdg: bus = 1 sdg: dev_t = 8:96 sdg: size = 142239510 sdg: vendor = COMPAQ sdg: product = MSA1000 VOLUME sdg: rev = 4.32 sdg: h:b:t:l = 3:0:0:5 sdg: tgt_node_name = 0x500805f300159870 sdg: serial = P56350GX3RJ0FJ sdg: path checker = readsector0 (config file default) sdg: state = 2 sdg: getprio = NULL (internal default) sdg: prio = 1 sdg: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdg: uid = 3600805f30015987000000000768a0019 (callout) sdh: not found in pathvec sdh: mask = 0x1f sdh: bus = 1 sdh: dev_t = 8:112 sdh: size = 142239510 sdh: vendor = COMPAQ sdh: product = MSA1000 VOLUME sdh: rev = 4.32 sdh: h:b:t:l = 3:0:0:6 sdh: tgt_node_name = 0x500805f300159870 sdh: serial = P56350GX3RJ0FJ sdh: path checker = readsector0 (config file default) sdh: state = 2 sdh: getprio = NULL (internal default) sdh: prio = 1 sdh: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdh: uid = 3600805f30015987000000000d643001a (callout) sdi: not found in pathvec sdi: mask = 0x1f sdi: bus = 1 sdi: dev_t = 8:128 sdi: size = 142239510 sdi: vendor = COMPAQ sdi: product = MSA1000 VOLUME sdi: rev = 4.32 sdi: h:b:t:l = 3:0:0:7 sdi: tgt_node_name = 0x500805f300159870 sdi: serial = P56350GX3RJ0FJ sdi: path checker = readsector0 (config file default) sdi: state = 2 sdi: getprio = NULL (internal default) sdi: prio = 1 sdi: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdi: uid = 3600805f3001598700000000086fc001b (callout) sdj: not found in pathvec sdj: mask = 0x1f sdj: bus = 1 sdj: dev_t = 8:144 sdj: size = 71119755 sdj: vendor = COMPAQ sdj: product = MSA1000 VOLUME sdj: rev = 4.32 sdj: h:b:t:l = 3:0:0:8 sdj: tgt_node_name = 0x500805f300159870 sdj: serial = P56350GX3RJ0FJ sdj: path checker = readsector0 (config file default) sdj: state = 2 sdj: getprio = NULL (internal default) sdj: prio = 1 sdj: getuid = /sbin/scsi_id -g -u -s /block/%n (config file default) sdj: uid = 3600805f300159870000000000984001c (callout) ===== paths list ===== uuid hcil dev dev_t pri dm_st chk_st vend/pr 20010b9fc0813836e 0:0:4:0 sda 8:0 1 [undef][ready] COMPAQ, 20010b9fc08148885 0:0:6:0 sdb 8:16 1 [undef][ready] COMPAQ, 3600805f30015987000000000768a0019 2:0:0:5 sdc 8:32 1 [undef][ready] COMPAQ, 3600805f30015987000000000d643001a 2:0:0:6 sdd 8:48 1 [undef][ready] COMPAQ, 3600805f3001598700000000086fc001b 2:0:0:7 sde 8:64 1 [undef][ready] COMPAQ, 3600805f300159870000000000984001c 2:0:0:8 sdf 8:80 1 [undef][ready] COMPAQ, 3600805f30015987000000000768a0019 3:0:0:5 sdg 8:96 1 [undef][ready] COMPAQ, 3600805f30015987000000000d643001a 3:0:0:6 sdh 8:112 1 [undef][ready] COMPAQ, 3600805f3001598700000000086fc001b 3:0:0:7 sdi 8:128 1 [undef][ready] COMPAQ, 3600805f300159870000000000984001c 3:0:0:8 sdj 8:144 1 [undef][ready] COMPAQ, params = 0 0 1 1 round-robin 0 2 1 8:48 1000 8:112 1000 status = 1 0 0 1 1 A 0 2 0 8:48 A 0 8:112 A 0 *word = 0, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = 1, len = 1 *word = round-robin, len = 11 *word = 0, len = 1 *word = 2, len = 1 *word = 1, len = 1 *word = 8:48, len = 4 *word = 1000, len = 4 *word = 8:112, len = 5 *word = 1000, len = 4 *word = 1, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = A, len = 1 *word = 2, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 params = 0 0 1 1 round-robin 0 2 1 8:32 1000 8:96 1000 status = 1 0 0 1 1 A 0 2 0 8:32 A 0 8:96 A 0 *word = 0, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = 1, len = 1 *word = round-robin, len = 11 *word = 0, len = 1 *word = 2, len = 1 *word = 1, len = 1 *word = 8:32, len = 4 *word = 1000, len = 4 *word = 8:96, len = 4 *word = 1000, len = 4 *word = 1, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = A, len = 1 *word = 2, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 params = 0 0 1 1 round-robin 0 2 1 8:80 1000 8:144 1000 status = 1 0 0 1 1 A 0 2 0 8:80 A 0 8:144 A 0 *word = 0, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = 1, len = 1 *word = round-robin, len = 11 *word = 0, len = 1 *word = 2, len = 1 *word = 1, len = 1 *word = 8:80, len = 4 *word = 1000, len = 4 *word = 8:144, len = 5 *word = 1000, len = 4 *word = 1, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = A, len = 1 *word = 2, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 params = 0 0 1 1 round-robin 0 2 1 8:64 1000 8:128 1000 status = 1 0 0 1 1 A 0 2 0 8:64 A 0 8:128 A 0 *word = 0, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = 1, len = 1 *word = round-robin, len = 11 *word = 0, len = 1 *word = 2, len = 1 *word = 1, len = 1 *word = 8:64, len = 4 *word = 1000, len = 4 *word = 8:128, len = 5 *word = 1000, len = 4 *word = 1, len = 1 *word = 0, len = 1 *word = 1, len = 1 *word = A, len = 1 *word = 2, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 *word = A, len = 1 *word = 0, len = 1 20010b9fc0813836e: blacklisted 20010b9fc08148885: blacklisted sdc: ownership set to oramp1 sdc: not found in pathvec sdc: mask = 0xc sdc: state = 2 sdc: prio = 1 sdg: ownership set to oramp1 sdg: not found in pathvec sdg: mask = 0xc sdg: state = 2 sdg: prio = 1 oramp1: pgfailover = -1 (internal default) oramp1: pgpolicy = group_by_serial (controller setting) oramp1: selector = round-robin 0 (internal default) oramp1: features = 0 (internal default) oramp1: hwhandler = 0 (internal default) oramp1: rr_weight = 1 (internal default) oramp1: minio = 1000 (config file default) oramp1: no_path_retry = NONE (internal default) pg_timeout = NONE (internal default) oramp1: set ACT_NOTHING (map unchanged) sdd: ownership set to oramp2 sdd: not found in pathvec sdd: mask = 0xc sdd: state = 2 sdd: prio = 1 sdh: ownership set to oramp2 sdh: not found in pathvec sdh: mask = 0xc sdh: state = 2 sdh: prio = 1 oramp2: pgfailover = -1 (internal default) oramp2: pgpolicy = group_by_serial (controller setting) oramp2: selector = round-robin 0 (internal default) oramp2: features = 0 (internal default) oramp2: hwhandler = 0 (internal default) oramp2: rr_weight = 1 (internal default) oramp2: minio = 1000 (config file default) oramp2: no_path_retry = NONE (internal default) pg_timeout = NONE (internal default) oramp2: set ACT_NOTHING (map unchanged) Found matching wwid [3600805f3001598700000000086fc001b] in bindings file. Setting alias to mpath4 sde: ownership set to mpath4 sde: not found in pathvec sde: mask = 0xc sde: state = 2 sde: prio = 1 sdi: ownership set to mpath4 sdi: not found in pathvec sdi: mask = 0xc sdi: state = 2 sdi: prio = 1 mpath4: pgfailover = -1 (internal default) mpath4: pgpolicy = group_by_serial (controller setting) mpath4: selector = round-robin 0 (internal default) mpath4: features = 0 (internal default) mpath4: hwhandler = 0 (internal default) mpath4: rr_weight = 1 (internal default) mpath4: minio = 1000 (config file default) mpath4: no_path_retry = NONE (internal default) pg_timeout = NONE (internal default) mpath4: set ACT_NOTHING (map unchanged) Found matching wwid [3600805f300159870000000000984001c] in bindings file. Setting alias to mpath5 sdf: ownership set to mpath5 sdf: not found in pathvec sdf: mask = 0xc sdf: state = 2 sdf: prio = 1 sdj: ownership set to mpath5 sdj: not found in pathvec sdj: mask = 0xc sdj: state = 2 sdj: prio = 1 mpath5: pgfailover = -1 (internal default) mpath5: pgpolicy = group_by_serial (controller setting) mpath5: selector = round-robin 0 (internal default) mpath5: features = 0 (internal default) mpath5: hwhandler = 0 (internal default) mpath5: rr_weight = 1 (internal default) mpath5: minio = 1000 (config file default) mpath5: no_path_retry = NONE (internal default) pg_timeout = NONE (internal default) mpath5: set ACT_NOTHING (map unchanged)
The config file is wrong. The multipaths subsections for the devices with user-friendly-names have a typo "mulitpath" should be "multipath"