RHEL 6.8 + Oracle 11g RAC multipath configuration

Oracle 11g RAC + RHEL 6.8multipath configuration is as follows, for reference only.

$ls12-dm-permissions.rules 60-pcmcia.rules 90-alsa.rules 98-kexec.rules55-usm.rules 60-raw.rules 90-hal.rules 99-fuse.rules60-fprint-autosuspend.rules 70-persistent-net.rules 97-bluetooth-serial.rules due to the alias used in the configuration file So you also need to use aliases $more 12-dm-permissions.rulesENV {DM_NAME} = = "data*", OWNER:= "grid", GROUP:= "asmadmin", MODE:= "660" ENV {DM_NAME} = = "vot*", OWNER:= "grid", GROUP:= "asmadmin" MODE:= "660" $more / etc/multipath.conf # multipath.conf written by anacondadefaults {user_friendly_names yes} # blacklist {# devnode "^ (ram | raw | loop | fd | md | dm- | sr | scd | st) [0-9] *" # devnode "^ hd [amurz]" # devnode "^ dcssblk [0-9] *" # device {# vendor "DGC" # product "LUNZ" #} # Device {# vendor "IBM" # product "390.*" #} # don't count normal SATA devices as multipaths# device {# vendor "ATA" # # don't count 3ware devices as multipaths# device {# vendor "3ware" #} # Device {# vendor "AMCC" #} # nor highpoint devices# device {# vendor "HPT" # wwid "3620000905a7a7f6c226b3ebe0488ea70" # device {# vendor Virtual# product DVD-ROM_VM_1.1.0#} # wwid "*" #} # blacklist_exceptions {# wwid "360060e801232b400504032b400000b0c" # wwid "360060e801232b400504032b400000b0d" # wwid "360060e801232b400504032b400000b0e" # wwid "360060e801232b400504032b400000b23" # wwid "360060e801232b400504032b400000b24" # wwid "360060e801232b400504032b400000b25" #} multipaths {# multipath {# uid "gid" wwid "360060e801232b400504032b400000b0c" # mode 060} # multipath {# Uid 'gid' wwid '360060e801232b400504032b400000b0d' # mode 060'} # multipath {# uid 'gid' wwid '360060e801232b400504032b400000b0e' # mode 060'} # multipath {# uid Gid 'wwid' 360060e801232b400504032b400000b23 # mode 060'} # multipath {# uid 'gid' wwid '360060e801232b400504032b400000b24' # mode 060'} # multipath {# uid 'gid' wwid' 360060e801232b400504032b400000b25 "# mode 060} multipath {wwid" 360060e801232b400504032b400000b23 "alias vot1} multipath {wwid" 360060e801232b400504032b400000b24 "alias vot2} multipath {wwid" 360060e801232b400504032b400000b25 "alias vot3} Multipath {wwid "360060e801232b400504032b400000b0c" alias data01} multipath {wwid "360060e801232b400504032b400000b0d" alias data02} multipath {wwid "360060e801232b400504032b400000b0e" alias data03}} $[root@roidb1 ~] # multipath-lldata01 (360060e801232b400504032b400000b0c) dm-2 HITACHI OPEN-Vsize=2.0T features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-policy='round-robin 0' prio=1 status=active |-7 sdb 0prio=1 status=active 0 sdb 8:16 active ready running |-8 sdb 0prio=1 status=active 0 sdn 8 OPEN-Vsize=2.0T features='1 queue_if_no_path' hwhandler='0' wp= 208 active ready running |-7 prio=1 status=active 0 sdt 0 sdt 65:48 active ready runningvot1 (360060e801232b400504032b400000b23) dm-5 HITACHI OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-policy='round-robin 0' prio=1 status=active |-7 sde 0prio=1 status=active 3 sde 8:64 active ready running |-8 prio=1 status=active 0sde 0prio=1 status=active 3 sdq 65:0 active ready running |-7 prio=1 status=active 0prio=1 status=active 3 sdk 8prio=1 status=active 160 Vega `- 8 sde 0sde 0prio=1 status=active`-8 sde 0prio=1 status=active 3 sdw 65:96 active ready runningdata03 (360060e801232b400504032b400000b0e) dm-4 HITACHI OPEN-Vsize=2.0T features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-policy='round-robin 0' prio=1 status=active |-7 sdd 0prio=1 status=active 2 sdd 8:48 active ready running |-8 360060e801232b400504032b400000b25 0 sdd 0 sdd 240 active ready running |-7 prio=1 status=active 0 prio=1 status=active 2 sdj 8 prio=1 status=active 144 360060e801232b400504032b400000b25 `- 8 sdd 0sdd 0sdd 0prio=1 status=active |-8 360060e801232b400504032b400000b25 0sdd 0sdd 0prio=1 status=active |-8prio=1 status=active 0prio=1 status=active |-7prio=1 status=active 0sdd 0sdd 0sdd 0360060e801232b400504032b400000b25 |-7OPEN-Vsize=2.0T features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-0sdd 0prio=1 status=active |-7prio=1 status=active 0prio=1 status=active |-7prio=1 status=active 0sdd 0sdd 0360060e801232b400504032b400000b25 |-7sdd rw`-+-0sdd 0' 360060e801232b400504032b400000b25 |-7sdd 0sdd 0' 360060e801232b400504032b400000b25 |-7prio=1 status=active-+-360060e801232b400504032b400000b25 0' dm-7 HITACHI |-7sdd 0sdd 0' 360060e801232b400504032b400000b25 |-7prio=1 status=active-+-0360060e801232b400504032b400000b25 0' dm-7 HITACHI |-7prio=1 status=active-+-360060e801232b400504032b400000b25 0' dm-7 HITACHI |-7prio=1 status=active-+-360060e801232b400504032b400000b25 0' dm-7 HITACHI |-7prio=1 status=active-+-360060e801232b400504032b400000b25 0'- OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-policy='round-robin 0' prio=1 status=active |-7 sdy 0prio=1 status=active 0sdg 5 sdg 8:96 active ready running |-8prio=1 status=active 0prio=1 status=active 0prio=1 status=active 5 sds 65:32 active ready running |-7prio=1 status=active 0prio=1 status=active 5RW`-8sdg 0'-8sdg 0sdg 0'-7OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp= rw`-8prio=1 status=active 0'-7prio=1 status=active 0prio=1 status=active-+-360060e801232b400504032b400000b0d 0'-7OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp= rw`-8prio=1 status=active 0'-7prio=1 status=active 0prio=1 status=active-+-360060e801232b400504032b400000b0d 0' 360060e801232b400504032b400000b0d 0prio=1 status=active |-7prio=1 status=active 0prio=1 status=active-+-RW`-7prio=1 status=active 0sdg 0sdg 0' dm-3 HITACHI |-8prio=1 status=active 0sdg 0sdg 0' dm-3 HITACHI |-8prio=1 status=active 0sdg 0sdg 0' sds 0' dm-3 HITACHI |-7OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-0sdg 0' dm-3 HITACHI |-7prio=1 status=active 0sdg 0360060e801232b400504032b400000b0d |-7prio=1 status=active rw`-+-0sdg 0' dm-3 HITACHI |-7prio=1 status=active 0lv 0prio=1 status=active 5 360060e801232b400504032b400000b0d OPEN-Vsize=2.0T features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-policy='round-robin 0' prio=1 status=active |-7 sdc 0prio=1 status=active 1 sdc 8:32 active ready running |-8 360060e801232b400504032b400000b24 0prio=1 status=active 0 prio=1 status=active 1 sdo 8 360060e801232b400504032b400000b24 224 active ready running |-7 prio=1 status=active 0 prio=1 status=active 1 sdu 8 360060e801232b400504032b400000b24 128 360060e801232b400504032b400000b24 `- 8 active ready runningvot2 (360060e801232b400504032b400000b24) dm-6 HITACHI OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp= rw`-+-policy='round-robin 0' prio=1 status=active |-7 sdf 0prio=1 status=active 4 sdf 8:80 active ready running |-8prio=1 status=active 0sdf 0prio=1 status=active 4 sdr 65:16 active ready running |-7prio=1 status=active 0prio=1 status=active 4RW`-81761prio=1 status=active `- 8prio=1 status=active 0sdf 0sdf 0prio=1 status=active |-7prio=1 status=active 0sdf 0prio=1 status=active 4 active ready running [root@roidb1 ~] #