Re: ASM storage

Posted by satish on Aug 03, 2018; 1:11pm
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/ASM-storage-tp6521p6537.html

Dear Erman,

Output for multipath ll is as below

[root@nodedb1 ~]# multipath -ll
REDO2LOGS2_DISK1 (360002ac000000000000000b60001c9fc) dm-52 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:59 sdax 67:16   active ready running
  |- 1:0:1:59 sdfl 130:112 active ready running
  |- 2:0:1:59 sdde 70:192  active ready running
  `- 1:0:0:59 sdhs 134:32  active ready running
PRD-REDOLOGS2-01 (360002ac000000000000000660001c9fc) dm-13 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:19 sdj  8:144   active ready running
  |- 1:0:1:19 sddx 71:240  active ready running
  |- 2:0:1:19 sdbq 68:64   active ready running
  `- 1:0:0:19 sdge 131:160 active ready running
PRD-REDOLOGS1-04 (360002ac000000000000000650001c9fc) dm-5 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:17 sdbo 68:32   active ready running
  |- 1:0:1:17 sddv 71:208  active ready running
  |- 2:0:0:17 sdh  8:112   active ready running
  `- 1:0:0:17 sdgc 131:128 active ready running
PRD-ARCH02 (360002ac0000000000000006c0001c9fc) dm-17 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:25 sdp  8:240   active ready running
  |- 1:0:1:25 sded 128:80  active ready running
  |- 2:0:1:25 sdbw 68:160  active ready running
  `- 1:0:0:25 sdgk 132:0   active ready running
PRD-DATA19 (360002ac0000000000000007e0001c9fc) dm-46 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:53 sdar 66:176  active ready running
  |- 1:0:1:53 sdff 130:16  active ready running
  |- 2:0:1:53 sdcy 70:96   active ready running
  `- 1:0:0:53 sdhm 133:192 active ready running
PRD-DATA04 (360002ac0000000000000008d0001c9fc) dm-27 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:34 sdy  65:128  active ready running
  |- 1:0:1:34 sdem 128:224 active ready running
  |- 2:0:1:34 sdcf 69:48   active ready running
  `- 1:0:0:34 sdgt 132:144 active ready running
PRD-DATA21 (360002ac0000000000000007c0001c9fc) dm-44 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:51 sdap 66:144  active ready running
  |- 1:0:1:51 sdfd 129:240 active ready running
  |- 2:0:1:51 sdcw 70:64   active ready running
  `- 1:0:0:51 sdhk 133:160 active ready running
PRD-REDOLOGS1-03 (360002ac000000000000000640001c9fc) dm-9 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:16 sdbn 68:16   active ready running
  |- 1:0:1:16 sddu 71:192  active ready running
  |- 2:0:0:16 sdg  8:96    active ready running
  `- 1:0:0:16 sdgb 131:112 active ready running
PRD-ARCH01 (360002ac0000000000000006b0001c9fc) dm-19 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:24 sdo  8:224   active ready running
  |- 1:0:1:24 sdec 128:64  active ready running
  |- 2:0:1:24 sdbv 68:144  active ready running
  `- 1:0:0:24 sdgj 131:240 active ready running
PRD-DATA18 (360002ac0000000000000007f0001c9fc) dm-35 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:41 sdaf 65:240  active ready running
  |- 1:0:1:41 sdet 129:80  active ready running
  |- 2:0:1:41 sdcm 69:160  active ready running
  `- 1:0:0:41 sdha 133:0   active ready running
PRD-DATA03 (360002ac000000000000000770001c9fc) dm-25 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:31 sdv  65:80   active ready running
  |- 1:0:1:31 sdej 128:176 active ready running
  |- 2:0:1:31 sdcc 69:0    active ready running
  `- 1:0:0:31 sdgq 132:96  active ready running
PRD-DATA20 (360002ac0000000000000007d0001c9fc) dm-41 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:48 sdam 66:96   active ready running
  |- 1:0:1:48 sdfa 129:192 active ready running
  |- 2:0:1:48 sdct 70:16   active ready running
  `- 1:0:0:48 sdhh 133:112 active ready running
PRD-REDOLOGS1-02 (360002ac000000000000000630001c9fc) dm-8 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:15 sdbm 68:0    active ready running
  |- 1:0:1:15 sddt 71:176  active ready running
  |- 2:0:0:15 sdf  8:80    active ready running
  `- 1:0:0:15 sdga 131:96  active ready running
PRD-DATA17 (360002ac000000000000000800001c9fc) dm-32 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:38 sdac 65:192  active ready running
  |- 1:0:1:38 sdeq 129:32  active ready running
  |- 2:0:1:38 sdcj 69:112  active ready running
  `- 1:0:0:38 sdgx 132:208 active ready running
PRD-DATA02 (360002ac000000000000000760001c9fc) dm-24 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:30 sdu  65:64   active ready running
  |- 1:0:1:30 sdei 128:160 active ready running
  |- 2:0:1:30 sdcb 68:240  active ready running
  `- 1:0:0:30 sdgp 132:80  active ready running
PRD-REDOLOGS1-01 (360002ac000000000000000540001c9fc) dm-10 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:14 sdbl 67:240  active ready running
  |- 1:0:1:14 sdds 71:160  active ready running
  |- 2:0:0:14 sde  8:64    active ready running
  `- 1:0:0:14 sdfz 131:80  active ready running
mpathb (360002ac000000000000000080001c9fc) dm-11 3PARdata,VV
size=200G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:1  sdbj 67:208  active ready running
  |- 1:0:1:1  sddq 71:128  active ready running
  |- 2:0:0:1  sdc  8:32    active ready running
  `- 1:0:0:1  sdfx 131:48  active ready running
PRD-DATA16 (360002ac000000000000000810001c9fc) dm-33 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:39 sdad 65:208  active ready running
  |- 1:0:1:39 sder 129:48  active ready running
  |- 2:0:1:39 sdck 69:128  active ready running
  `- 1:0:0:39 sdgy 132:224 active ready running
PRD-DATA01 (360002ac000000000000000750001c9fc) dm-23 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:29 sdt  65:48   active ready running
  |- 1:0:1:29 sdeh 128:144 active ready running
  |- 2:0:1:29 sdca 68:224  active ready running
  `- 1:0:0:29 sdgo 132:64  active ready running
mpatha (360002ac000000000000000070001c9fc) dm-12 3PARdata,VV
size=200G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:0  sdbi 67:192  active ready running
  |- 1:0:1:0  sddp 71:112  active ready running
  |- 2:0:0:0  sdb  8:16    active ready running
  `- 1:0:0:0  sdfw 131:32  active ready running
OCRVOTE_DISK6 (360002ac000000000000000c00001c9fc) dm-6 3PARdata,VV
size=5.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:69 sdbh 67:176  active ready running
  |- 1:0:1:69 sdfv 131:16  active ready running
  |- 2:0:1:69 sddo 71:96   active ready running
  `- 1:0:0:69 sdic 134:192 active ready running
PRD-DATA15 (360002ac000000000000000820001c9fc) dm-34 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:40 sdae 65:224  active ready running
  |- 1:0:1:40 sdes 129:64  active ready running
  |- 2:0:1:40 sdcl 69:144  active ready running
  `- 1:0:0:40 sdgz 132:240 active ready running
REDO2LOGS1_DISK5 (360002ac000000000000000b50001c9fc) dm-51 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:58 sdaw 67:0    active ready running
  |- 1:0:1:58 sdfk 130:96  active ready running
  |- 2:0:1:58 sddd 70:176  active ready running
  `- 1:0:0:58 sdhr 134:16  active ready running
OCRVOTE_DISK5 (360002ac000000000000000bf0001c9fc) dm-7 3PARdata,VV
size=5.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:68 sdbg 67:160  active ready running
  |- 1:0:1:68 sdfu 131:0   active ready running
  |- 2:0:1:68 sddn 71:80   active ready running
  `- 1:0:0:68 sdib 134:176 active ready running
PRD-DATA14 (360002ac000000000000000830001c9fc) dm-36 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:42 sdag 66:0    active ready running
  |- 1:0:1:42 sdeu 129:96  active ready running
  |- 2:0:1:42 sdcn 69:176  active ready running
  `- 1:0:0:42 sdhb 133:16  active ready running
REDO2LOGS1_DISK4 (360002ac000000000000000b40001c9fc) dm-49 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:57 sdav 66:240  active ready running
  |- 1:0:1:57 sdfj 130:80  active ready running
  |- 2:0:1:57 sddc 70:160  active ready running
  `- 1:0:0:57 sdhq 134:0   active ready running
OCRVOTE_DISK4 (360002ac000000000000000be0001c9fc) dm-59 3PARdata,VV
size=5.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:67 sdbf 67:144  active ready running
  |- 1:0:1:67 sdft 130:240 active ready running
  |- 2:0:1:67 sddm 71:64   active ready running
  `- 1:0:0:67 sdia 134:160 active ready running
PRD-DATA13 (360002ac000000000000000840001c9fc) dm-40 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:47 sdal 66:80   active ready running
  |- 1:0:1:47 sdez 129:176 active ready running
  |- 2:0:1:47 sdcs 70:0    active ready running
  `- 1:0:0:47 sdhg 133:96  active ready running
REDO2LOGS1_DISK3 (360002ac000000000000000b30001c9fc) dm-48 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:56 sdau 66:224  active ready running
  |- 1:0:1:56 sdfi 130:64  active ready running
  |- 2:0:1:56 sddb 70:144  active ready running
  `- 1:0:0:56 sdhp 133:240 active ready running
OCRVOTE_DISK3 (360002ac000000000000000bd0001c9fc) dm-60 3PARdata,VV
size=5.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:65 sdbd 67:112  active ready running
  |- 1:0:1:65 sdfr 130:208 active ready running
  |- 2:0:1:65 sddk 71:32   active ready running
  `- 1:0:0:65 sdhy 134:128 active ready running
PRD-DATA12 (360002ac000000000000000850001c9fc) dm-31 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:37 sdab 65:176  active ready running
  |- 1:0:1:37 sdep 129:16  active ready running
  |- 2:0:1:37 sdci 69:96   active ready running
  `- 1:0:0:37 sdgw 132:192 active ready running
REDO2LOGS1_DISK2 (360002ac000000000000000b20001c9fc) dm-47 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:55 sdat 66:208  active ready running
  |- 1:0:1:55 sdfh 130:48  active ready running
  |- 2:0:1:55 sdda 70:128  active ready running
  `- 1:0:0:55 sdho 133:224 active ready running
OCRVOTE_DISK2 (360002ac000000000000000bc0001c9fc) dm-58 3PARdata,VV
size=5.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:66 sdbe 67:128  active ready running
  |- 1:0:1:66 sdfs 130:224 active ready running
  |- 2:0:1:66 sddl 71:48   active ready running
  `- 1:0:0:66 sdhz 134:144 active ready running
PRD-DATA09 (360002ac000000000000000880001c9fc) dm-37 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:44 sdai 66:32   active ready running
  |- 1:0:1:44 sdew 129:128 active ready running
  |- 2:0:1:44 sdcp 69:208  active ready running
  `- 1:0:0:44 sdhd 133:48  active ready running
PRD-DATA11 (360002ac000000000000000860001c9fc) dm-39 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:45 sdaj 66:48   active ready running
  |- 1:0:1:45 sdex 129:144 active ready running
  |- 2:0:1:45 sdcq 69:224  active ready running
  `- 1:0:0:45 sdhe 133:64  active ready running
REDO2LOGS2_DISK5 (360002ac000000000000000ba0001c9fc) dm-54 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:63 sdbb 67:80   active ready running
  |- 1:0:1:63 sdfp 130:176 active ready running
  |- 2:0:1:63 sddi 71:0    active ready running
  `- 1:0:0:63 sdhw 134:96  active ready running
PRD-REDOLOGS2-05 (360002ac0000000000000006a0001c9fc) dm-18 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:23 sdn  8:208   active ready running
  |- 1:0:1:23 sdeb 128:48  active ready running
  |- 2:0:1:23 sdbu 68:128  active ready running
  `- 1:0:0:23 sdgi 131:224 active ready running
REDO2LOGS1_DISK1 (360002ac000000000000000b10001c9fc) dm-3 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:2  sdbk 67:224  active ready running
  |- 1:0:1:2  sddr 71:144  active ready running
  |- 2:0:0:2  sdd  8:48    active ready running
  `- 1:0:0:2  sdfy 131:64  active ready running
OCRVOTE_DISK1 (360002ac000000000000000bb0001c9fc) dm-57 3PARdata,VV
size=5.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:64 sdbc 67:96   active ready running
  |- 1:0:1:64 sdfq 130:192 active ready running
  |- 2:0:1:64 sddj 71:16   active ready running
  `- 1:0:0:64 sdhx 134:112 active ready running
PRD-DATA08 (360002ac000000000000000890001c9fc) dm-30 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:35 sdz  65:144  active ready running
  |- 1:0:1:35 sden 128:240 active ready running
  |- 2:0:0:46 sdak 66:64   active ready running
  |- 1:0:1:46 sdey 129:160 active ready running
  |- 2:0:1:35 sdcg 69:64   active ready running
  |- 1:0:0:35 sdgu 132:160 active ready running
  |- 2:0:1:46 sdcr 69:240  active ready running
  `- 1:0:0:46 sdhf 133:80  active ready running
PRD-DATA25 (360002ac000000000000000780001c9fc) dm-50 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:54 sdas 66:192  active ready running
  |- 1:0:1:54 sdfg 130:32  active ready running
  |- 2:0:1:54 sdcz 70:112  active ready running
  `- 1:0:0:54 sdhn 133:208 active ready running
PRD-DATA10 (360002ac000000000000000870001c9fc) dm-38 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:43 sdah 66:16   active ready running
  |- 1:0:1:43 sdev 129:112 active ready running
  |- 2:0:1:43 sdco 69:192  active ready running
  `- 1:0:0:43 sdhc 133:32  active ready running
REDO2LOGS2_DISK4 (360002ac000000000000000b90001c9fc) dm-56 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:62 sdba 67:64   active ready running
  |- 1:0:1:62 sdfo 130:160 active ready running
  |- 2:0:1:62 sddh 70:240  active ready running
  `- 1:0:0:62 sdhv 134:80  active ready running
PRD-REDOLOGS2-04 (360002ac000000000000000690001c9fc) dm-15 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:22 sdm  8:192   active ready running
  |- 1:0:1:22 sdea 128:32  active ready running
  |- 2:0:1:22 sdbt 68:112  active ready running
  `- 1:0:0:22 sdgh 131:208 active ready running
PRD-ARCH05 (360002ac0000000000000006f0001c9fc) dm-22 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:28 sds  65:32   active ready running
  |- 1:0:1:28 sdeg 128:128 active ready running
  |- 2:0:1:28 sdbz 68:208  active ready running
  `- 1:0:0:28 sdgn 132:48  active ready running
PRD-DATA07 (360002ac0000000000000008a0001c9fc) dm-28 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:32 sdw  65:96   active ready running
  |- 1:0:1:32 sdek 128:192 active ready running
  |- 2:0:1:32 sdcd 69:16   active ready running
  `- 1:0:0:32 sdgr 132:112 active ready running
PRD-DATA24 (360002ac000000000000000790001c9fc) dm-45 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:52 sdaq 66:160  active ready running
  |- 1:0:1:52 sdfe 130:0   active ready running
  |- 2:0:1:52 sdcx 70:80   active ready running
  `- 1:0:0:52 sdhl 133:176 active ready running
REDO2LOGS2_DISK3 (360002ac000000000000000b80001c9fc) dm-55 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:61 sdaz 67:48   active ready running
  |- 1:0:1:61 sdfn 130:144 active ready running
  |- 2:0:1:61 sddg 70:224  active ready running
  `- 1:0:0:61 sdhu 134:64  active ready running
PRD-REDOLOGS2-03 (360002ac000000000000000680001c9fc) dm-16 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:21 sdl  8:176   active ready running
  |- 1:0:1:21 sddz 128:16  active ready running
  |- 2:0:1:21 sdbs 68:96   active ready running
  `- 1:0:0:21 sdgg 131:192 active ready running
PRD-ARCH04 (360002ac0000000000000006e0001c9fc) dm-21 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:27 sdr  65:16   active ready running
  |- 1:0:1:27 sdef 128:112 active ready running
  |- 2:0:1:27 sdby 68:192  active ready running
  `- 1:0:0:27 sdgm 132:32  active ready running
PRD-DATA06 (360002ac0000000000000008b0001c9fc) dm-29 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:36 sdaa 65:160  active ready running
  |- 1:0:1:36 sdeo 129:0   active ready running
  |- 2:0:1:36 sdch 69:80   active ready running
  `- 1:0:0:36 sdgv 132:176 active ready running
PRD-DATA23 (360002ac0000000000000007a0001c9fc) dm-43 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:50 sdao 66:128  active ready running
  |- 1:0:1:50 sdfc 129:224 active ready running
  |- 2:0:1:50 sdcv 70:48   active ready running
  `- 1:0:0:50 sdhj 133:144 active ready running
REDO2LOGS2_DISK2 (360002ac000000000000000b70001c9fc) dm-53 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:60 sday 67:32   active ready running
  |- 1:0:1:60 sdfm 130:128 active ready running
  |- 2:0:1:60 sddf 70:208  active ready running
  `- 1:0:0:60 sdht 134:48  active ready running
PRD-REDOLOGS2-02 (360002ac000000000000000670001c9fc) dm-14 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:20 sdk  8:160   active ready running
  |- 1:0:1:20 sddy 128:0   active ready running
  |- 2:0:1:20 sdbr 68:80   active ready running
  `- 1:0:0:20 sdgf 131:176 active ready running
PRD-REDOLOGS1-05 (360002ac000000000000000580001c9fc) dm-4 3PARdata,VV
size=1.0G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:1:18 sdbp 68:48   active ready running
  |- 1:0:1:18 sddw 71:224  active ready running
  |- 2:0:0:18 sdi  8:128   active ready running
  `- 1:0:0:18 sdgd 131:144 active ready running
PRD-ARCH03 (360002ac0000000000000006d0001c9fc) dm-20 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:26 sdq  65:0    active ready running
  |- 1:0:1:26 sdee 128:96  active ready running
  |- 2:0:1:26 sdbx 68:176  active ready running
  `- 1:0:0:26 sdgl 132:16  active ready running
PRD-DATA05 (360002ac0000000000000008c0001c9fc) dm-26 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:33 sdx  65:112  active ready running
  |- 1:0:1:33 sdel 128:208 active ready running
  |- 2:0:1:33 sdce 69:32   active ready running
  `- 1:0:0:33 sdgs 132:128 active ready running
PRD-DATA22 (360002ac0000000000000007b0001c9fc) dm-42 3PARdata,VV
size=100G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 2:0:0:49 sdan 66:112  active ready running
  |- 1:0:1:49 sdfb 129:208 active ready running
  |- 2:0:1:49 sdcu 70:32   active ready running
  `- 1:0:0:49 sdhi 133:128 active ready running
[root@nodedb1 ~]#