RHEL 6.8 + Oracle 11g RAC multipath 配置

Oracle 11g RAC + RHEL 6.8 多路径配置如下，仅供参考。

$ls12-dm-permissions.rules      60-pcmcia.rules          90-alsa.rules              98-kexec.rules55-usm.rules                 60-raw.rules             90-hal.rules               99-fuse.rules60-fprint-autosuspend.rules  70-persistent-net.rules  97-bluetooth-serial.rules由于配置文件中使用了别名，所以这里也需要使用别名$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[a-z]"#       devnode "^dcssblk[0-9]*"#       device {#               vendor "DGC"#               product "LUNZ"#       }#       device {#               vendor "IBM"#               product "S/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 0#               gid 0#               wwid "360060e801232b400504032b400000b0c"#               mode 0600#       }#       multipath {#               uid 0#               gid 0#               wwid "360060e801232b400504032b400000b0d"#               mode 0600#       }#       multipath {#               uid 0#               gid 0#               wwid "360060e801232b400504032b400000b0e"#               mode 0600#       }#       multipath {#               uid 0#               gid 0#               wwid "360060e801232b400504032b400000b23"#               mode 0600#       }#       multipath {#               uid 0#               gid 0#               wwid "360060e801232b400504032b400000b24"#               mode 0600#       }#       multipath {#               uid 0#               gid 0#               wwid "360060e801232b400504032b400000b25"#               mode 0600#       }        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  |- 7:0:0:0 sdb 8:16   active ready running  |- 8:0:0:0 sdn 8:208  active ready running  |- 7:0:1:0 sdh 8:112  active ready running  `- 8:0:1:0 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  |- 7:0:0:3 sde 8:64   active ready running  |- 8:0:0:3 sdq 65:0   active ready running  |- 7:0:1:3 sdk 8:160  active ready running  `- 8:0:1:3 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  |- 7:0:0:2 sdd 8:48   active ready running  |- 8:0:0:2 sdp 8:240  active ready running  |- 7:0:1:2 sdj 8:144  active ready running  `- 8:0:1:2 sdv 65:80  active ready runningvot3 (360060e801232b400504032b400000b25) dm-7 HITACHI,OPEN-Vsize=10G features='1 queue_if_no_path' hwhandler='0' wp=rw`-+- policy='round-robin 0' prio=1 status=active  |- 7:0:0:5 sdg 8:96   active ready running  |- 8:0:0:5 sds 65:32  active ready running  |- 7:0:1:5 sdm 8:192  active ready running  `- 8:0:1:5 sdy 65:128 active ready runningdata02 (360060e801232b400504032b400000b0d) dm-3 HITACHI,OPEN-Vsize=2.0T features='1 queue_if_no_path' hwhandler='0' wp=rw`-+- policy='round-robin 0' prio=1 status=active  |- 7:0:0:1 sdc 8:32   active ready running  |- 8:0:0:1 sdo 8:224  active ready running  |- 7:0:1:1 sdi 8:128  active ready running  `- 8:0:1:1 sdu 65:64  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  |- 7:0:0:4 sdf 8:80   active ready running  |- 8:0:0:4 sdr 65:16  active ready running  |- 7:0:1:4 sdl 8:176  active ready running  `- 8:0:1:4 sdx 65:112 active ready running[root@roidb1 ~]#