multipath test
[root@rac02 mnt]# multipath -ll
mpathb (36005076300810df6f800000000000005) dm-3 IBM,2145
size=50G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=0 status=active
| |- 10:0:0:0 sdd 8:48 failed faulty offline
| `- 9:0:0:0 sde 8:64 failed faulty running
`-+- policy='round-robin 0' prio=10 status=enabled
|- 7:0:0:0 sdb 8:16 active ready running
`- 8:0:0:0 sdc 8:32 active ready running
[root@rac02 mnt]# multipath -ll
mpathb (36005076300810df6f800000000000005) dm-3 IBM,2145
size=50G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=0 status=enabled
| |- 10:0:0:0 sdd 8:48 failed faulty running
| `- 9:0:0:0 sde 8:64 failed faulty running
`-+- policy='round-robin 0' prio=10 status=active
|- 7:0:0:0 sdb 8:16 active ready running
`- 8:0:0:0 sdc 8:32 active ready running
avg-cpu: %user %nice %system %iowait %steal %idle
0.17 0.00 1.26 14.41 0.00 84.16
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 0.00 0.00 0.00 0 0
scd0 0.00 0.00 0.00 0 0
dm-0 0.00 0.00 0.00 0 0
dm-1 0.00 0.00 0.00 0 0
dm-2 0.00 0.00 0.00 0 0
sdb 77.00 0.00 78848.00 0 78848
sdc 86.00 0.00 88064.00 0 88064
sdd 0.00 0.00 0.00 0 0
sde 0.00 0.00 0.00 0 0
dm-3 163.00 0.00 166912.00 0 166912
dm-4 19967.00 0.00 159736.00 0 159736
avg-cpu: %user %nice %system %iowait %steal %idle
0.34 0.00 0.42 6.08 0.00 93.16
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 0.00 0.00 0.00 0 0
scd0 0.00 0.00 0.00 0 0
dm-0 0.00 0.00 0.00 0 0
dm-1 0.00 0.00 0.00 0 0
dm-2 0.00 0.00 0.00 0 0
sdb 75.00 0.00 74768.00 0 74768
sdc 72.00 0.00 73088.00 0 73088
sdd 0.00 0.00 0.00 0 0
sde 0.00 0.00 0.00 0 0
dm-3 147.00 0.00 147856.00 0 147856
dm-4 50.00 0.00 400.00 0 400
[root@rac02 mnt]# multipath -ll mpathb (36005076300810df6f800000000000005) dm-3 IBM,2145 size=50G features='0' hwhandler='0' wp=rw |-+- policy='round-robin 0' prio=50 status=enabled | |- 10:0:0:0 sdd 8:48 failed ready running | `- 9:0:0:0 sde 8:64 failed ready running `-+- policy='round-robin 0' prio=10 status=active |- 7:0:0:0 sdb 8:16 active ready running `- 8:0:0:0 sdc 8:32 active ready running
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 0.00 0.00 0.00 0 0
scd0 0.00 0.00 0.00 0 0
dm-0 0.00 0.00 0.00 0 0
dm-1 0.00 0.00 0.00 0 0
dm-2 0.00 0.00 0.00 0 0
sdb 112.00 0.00 114688.00 0 114688
sdc 112.00 0.00 114688.00 0 114688
sdd 0.00 0.00 0.00 0 0
sde 0.00 0.00 0.00 0 0
dm-3 224.00 0.00 229376.00 0 229376
dm-4 28800.00 0.00 230400.00 0 230400
[root@rac02 mnt]# multipath -ll
mpathb (36005076300810df6f800000000000005) dm-3 IBM,2145
size=50G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=50 status=enabled
| |- 10:0:0:0 sdd 8:48 failed ready running
| `- 9:0:0:0 sde 8:64 failed ready running
`-+- policy='round-robin 0' prio=10 status=active
|- 7:0:0:0 sdb 8:16 active ready running
`- 8:0:0:0 sdc 8:32 active ready running
[root@rac02 mnt]# multipath -ll
mpathb (36005076300810df6f800000000000005) dm-3 IBM,2145
size=50G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=50 status=enabled
| |- 10:0:0:0 sdd 8:48 failed ready running
| `- 9:0:0:0 sde 8:64 failed ready running
`-+- policy='round-robin 0' prio=0 status=enabled
|- 7:0:0:0 sdb 8:16 failed faulty offline
`- 8:0:0:0 sdc 8:32 failed faulty offline
[root@rac02 ~]# multipath -ll
mpathb (36005076300810df6f800000000000005) dm-3 IBM,2145
size=50G features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=50 status=active
| |- 10:0:0:0 sdd 8:48 active ready running
| `- 9:0:0:0 sde 8:64 active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
|- 7:0:0:0 sdb 8:16 active ready running
`- 8:0:0:0 sdc 8:32 active ready running
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