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Oracle 11g RAC + RHEL 6.8 多路径配置如下，仅供参考。
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$ls
12-dm-permissions.rules 60-pcmcia.rules 90-alsa.rules 98-kexec.rules
55-usm.rules 60-raw.rules 90-hal.rules 99-fuse.rules
60-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.rules
ENV{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 anaconda
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]*"
# 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 -ll
data01 (360060e801232b400504032b400000b0c) dm-2 HITACHI,OPEN-V
size=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 running
vot1 (360060e801232b400504032b400000b23) dm-5 HITACHI,OPEN-V
size=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 running
data03 (360060e801232b400504032b400000b0e) dm-4 HITACHI,OPEN-V
size=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 running
vot3 (360060e801232b400504032b400000b25) dm-7 HITACHI,OPEN-V
size=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 running
data02 (360060e801232b400504032b400000b0d) dm-3 HITACHI,OPEN-V
size=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 running
vot2 (360060e801232b400504032b400000b24) dm-6 HITACHI,OPEN-V
size=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 ~]#