07-31-2015
Hi Scrutinizer
I'm not sure its multipath issue or not as multipath.conf for cluster is same for both nodes and multipath -ll not showing disk for this rac server as lsscsi not showing disk. I have reload multipath as well.
Multipath -ll
Code :
mpath38 (36005076304ffd7430000000000003107) dm-24 IBM,2107900
[size=1.0G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:13 sdap 66:144 [active][ready]
\_ 3:0:2:13 sdo 8:224 [active][ready]
mpath72 (36005076304ffd7430000000000001400) dm-31 IBM,2107900
[size=68G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:20 sdaw 67:0 [active][ready]
\_ 3:0:2:20 sdv 65:80 [active][ready]
mpath37 (36005076304ffd7430000000000003106) dm-23 IBM,2107900
[size=1.0G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:12 sdao 66:128 [active][ready]
\_ 3:0:2:12 sdn 8:208 [active][ready]
mpath69 (36005076304ffd7430000000000002354) dm-28 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:17 sdat 66:208 [active][ready]
\_ 3:0:2:17 sds 65:32 [active][ready]
mpath71 (36005076304ffd7430000000000002254) dm-30 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:19 sdav 66:240 [active][ready]
\_ 3:0:2:19 sdu 65:64 [active][ready]
mpath36 (36005076304ffd7430000000000003105) dm-22 IBM,2107900
[size=1.0G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:11 sdan 66:112 [active][ready]
\_ 3:0:2:11 sdm 8:192 [active][ready]
mpath68 (36005076304ffd7430000000000002210) dm-27 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:16 sdas 66:192 [active][ready]
\_ 3:0:2:16 sdr 65:16 [active][ready]
mpath70 (36005076304ffd7430000000000002355) dm-29 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:18 sdau 66:224 [active][ready]
\_ 3:0:2:18 sdt 65:48 [active][ready]
mpath35 (36005076304ffd7430000000000003104) dm-21 IBM,2107900
[size=1.0G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:10 sdam 66:96 [active][ready]
\_ 3:0:2:10 sdl 8:176 [active][ready]
mpath67 (36005076304ffd7430000000000002485) dm-26 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:15 sdar 66:176 [active][ready]
\_ 3:0:2:15 sdq 65:0 [active][ready]
mpath66 (36005076304ffd74300000000000021b4) dm-20 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:9 sdal 66:80 [active][ready]
\_ 3:0:2:9 sdk 8:160 [active][ready]
mpath65 (36005076304ffd743000000000000206f) dm-19 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:8 sdak 66:64 [active][ready]
\_ 3:0:2:8 sdj 8:144 [active][ready]
mpath64 (36005076304ffd7430000000000002070) dm-18 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:7 sdaj 66:48 [active][ready]
\_ 3:0:2:7 sdi 8:128 [active][ready]
mpath63 (36005076304ffd7430000000000002170) dm-17 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:6 sdai 66:32 [active][ready]
\_ 3:0:2:6 sdh 8:112 [active][ready]
mpath78 (36005076304ffd743000000000000207d) dm-10 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 3:0:2:26 sdab 65:176 [active][ready]
\_ 4:0:2:26 sdbc 67:96 [active][ready]
mpath62 (36005076304ffd743000000000000216f) dm-16 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:5 sdah 66:16 [active][ready]
\_ 3:0:2:5 sdg 8:96 [active][ready]
mpath77 (36005076304ffd7430000000000002038) dm-9 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 3:0:2:25 sdaa 65:160 [active][ready]
\_ 4:0:2:25 sdbb 67:80 [active][ready]
mpath59 (36005076304ffd743000000000000212b) dm-13 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:2 sdae 65:224 [active][ready]
\_ 3:0:2:2 sdd 8:48 [active][ready]
mpath76 (36005076304ffd7430000000000002039) dm-35 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:24 sdba 67:64 [active][ready]
\_ 3:0:2:24 sdz 65:144 [active][ready]
mpath61 (36005076304ffd743000000000000202a) dm-15 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:4 sdag 66:0 [active][ready]
\_ 3:0:2:4 sdf 8:80 [active][ready]
mpath58 (36005076304ffd743000000000000212a) dm-12 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:1 sdad 65:208 [active][ready]
\_ 3:0:2:1 sdc 8:32 [active][ready]
mpath75 (36005076304ffd743000000000000274a) dm-34 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:23 sdaz 67:48 [active][ready]
\_ 3:0:2:23 sdy 65:128 [active][ready]
mpath60 (36005076304ffd743000000000000202b) dm-14 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:3 sdaf 65:240 [active][ready]
\_ 3:0:2:3 sde 8:64 [active][ready]
mpath74 (36005076304ffd7430000000000001402) dm-33 IBM,2107900
[size=68G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:22 sday 67:32 [active][ready]
\_ 3:0:2:22 sdx 65:112 [active][ready]
mpath39 (36005076304ffd7430000000000003108) dm-25 IBM,2107900
[size=1.0G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:14 sdaq 66:160 [active][ready]
\_ 3:0:2:14 sdp 8:240 [active][ready]
mpath56 (36005076304ffd7430000000000002723) dm-11 IBM,2107900
[size=136G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:0 sdac 65:192 [active][ready]
\_ 3:0:2:0 sdb 8:16 [active][ready]
mpath73 (36005076304ffd7430000000000001401) dm-32 IBM,2107900
[size=68G][features=1 queue_if_no_path][hwhandler=0][rw]
\_ round-robin 0 [prio=2][active]
\_ 4:0:2:21 sdax 67:16 [active][ready]
\_ 3:0:2:21 sdw 65:96 [active][ready]
multipath.conf -
Code :
# Blacklist all devices by default. Remove this to enable multipathing
# on the default devices.
#blacklist {
#devnode "*"
#}
blacklist {
device {
vendor "IBM"
product "*"
}
}
######
blacklist_exceptions {
device {
vendor "IBM"
product "2107900"
}
}
#blacklist {
# device {
# vendor "IBM"
# product "*"
# }
#}
## 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 "2107900"
# }
#}
## Use user friendly names, instead of using WWIDs as names.
defaults {
user_friendly_names yes
# path_grouping_policy multibus
}
##
## Here is an example of how to configure some standard options.
##
#
##
## The wwid line in the following blacklist section is shown as an example
## of how to blacklist devices by wwid. The 2 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 26353900f02796769
# devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
# devnode "^hd[a-z]"
# devnode "^hd[a-z][[0-9]*]"
# devnode "^vd[a-z]"
# devnode "^cciss!c[0-9]d[0-9]*[p[0-9]*]"
#
#}
#multipaths {
# multipath {
# wwid 3600508b4000156d700012000000b0000
# alias yellow
# path_grouping_policy multibus
# path_checker readsector0
# path_selector "round-robin 0"
# failback manual # rr_weight priorities # no_path_retry 5
# }
# multipath {
# wwid 1DEC_____321816758474
# alias red
# }
#}
devices {
device {
vendor "IBM"
product "2107900"
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
features "1 queue_if_no_path"
hardware_handler "0"
path_grouping_policy multibus
rr_weight uniform
rr_min_io 1000
path_checker tur
}
}
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