Hi All,
When I execute "multipath -ll" command that time display only 3 path (orafra2,oradata2 and oradata1), not display other 2 path (orafra1 and data1). I have configure 5 path in "/etc/multipath.conf" file. What is the reason behind it. Please help me.
Please find below some output for help:
[root@reuxeuls003 ~]# multipath -ll
orafra2 (360060160a71e2100de29aae7f4f9de11) dm-10 DGC,RAID 10
size=200G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| |- 1:0:1:3 sds 65:32 active ready running
| `- 0:0:1:3 sdi 8:128 active ready running
`-+- policy='round-robin 0' prio=0 status=enabled
|- 1:0:0:3 sdn 8:208 active ready running
`- 0:0:0:3 sdd 8:48 active ready running
oradata2 (360060160951e2100ccc3b4800798df11) dm-9 DGC,RAID 10
size=200G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| |- 1:0:0:4 sdo 8:224 active ready running
| `- 0:0:0:4 sde 8:64 active ready running
`-+- policy='round-robin 0' prio=0 status=enabled
|- 1:0:1:4 sdt 65:48 active ready running
`- 0:0:1:4 sdj 8:144 active ready running
oradata1 (360060160a71e210002263e3fbde0dd11) dm-11 DGC,RAID 10
size=300G features='1 queue_if_no_path' hwhandler='1 emc' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| |- 1:0:0:0 sdk 8:160 active ready running
| `- 0:0:0:0 sda 8:0 active ready running
`-+- policy='round-robin 0' prio=0 status=enabled
|- 1:0:1:0 sdp 8:240 active ready running
`- 0:0:1:0 sdf 8:80 active ready running
Output of "multipath.conf" file:
[root@reuxeuls003 ~]# egrep -v "^#|^$" /etc/multipath.conf
defaults {
user_friendly_names yes
}
multipaths {
multipath {
wwid 360060160a71e210002263e3fbde0dd11
alias oradata1
}
multipath {
wwid 360060160951e2100ccc3b4800798df11
alias oradata2
}
multipath {
wwid 360060160a71e21009a4a0a180fe7dd11
alias orafra1
}
multipath {
wwid 360060160a71e210080492a4f0fe7dd11
alias data1
}
multipath {
wwid 360060160a71e2100de29aae7f4f9de11
alias orafra2
}
}
[root@reuxeuls003 ~]#
Output of "/var/log/messages" :
[root@reuxeuls003 ~]# tail -10f /var/log/messages
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: table: 253:13: multipath: error getting device
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: ioctl: error adding target to table
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: multipath emc: long trespass command will be send
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: multipath emc: honor reservation bit will not be set (default)
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: table: 253:13: multipath: error getting device
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: ioctl: error adding target to table
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: multipath emc: long trespass command will be send
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: multipath emc: honor reservation bit will not be set (default)
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: table: 253:13: multipath: error getting device
Aug 10 07:49:11 reuxeuls003 kernel: device-mapper: ioctl: error adding target to table
Please find the attached output of "multipath -v3"
Please help me.
Thanks in advance.