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Dear Erman,
I have been assigned a new project.need to handle support for 2 node rac database.I am trying to understand if this environment is using multipath devices (mapper devices) and got the below output Really need your help in understand the below output [root@erpuatdb1 ~]# ls -l /dev/mpath/* ls: cannot access /dev/mpath/*: No such file or directory [root@erpuatdb1 ~]# [root@uatdb1 ~]# ls -l /dev/mapper/* -rw-r--r--. 1 root root 494 Jul 9 18:56 /dev/mapper/aa.sh -rw-r--r--. 1 root root 503 Jul 9 19:04 /dev/mapper/abc.sh -rw-r--r--. 1 root root 70 Jul 9 19:06 /dev/mapper/ao.sh crw-------. 1 root root 10, 236 Apr 23 10:22 /dev/mapper/control -rw-r--r--. 1 root root 46 Jul 9 19:16 /dev/mapper/kl.sh -rw-r--r--. 1 root root 86 Jul 9 19:13 /dev/mapper/k.sh lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpatha -> ../dm-13 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathb -> ../dm-15 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathd -> ../dm-37 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathe -> ../dm-45 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathf -> ../dm-58 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathg -> ../dm-66 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathh -> ../dm-68 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathi -> ../dm-69 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathj -> ../dm-70 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathk -> ../dm-14 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathl -> ../dm-16 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathm -> ../dm-17 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/mpathn -> ../dm-18 lrwxrwxrwx. 1 root root 7 Apr 23 10:22 /dev/mapper/rhel-root -> ../dm-0 lrwxrwxrwx. 1 root root 7 Apr 23 10:22 /dev/mapper/rhel-swap -> ../dm-1 lrwxrwxrwx. 1 root root 7 Apr 23 10:22 /dev/mapper/rhel-swap00 -> ../dm-2 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/rhel-tmp -> ../dm-130 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/rhel-u04 -> ../dm-131 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-ARCH01 -> ../dm-30 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-ARCH01p1 -> ../dm-92 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-ARCH02 -> ../dm-31 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-ARCH02p1 -> ../dm-96 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-ARCH03 -> ../dm-32 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-ARCH03p1 -> ../dm-101 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-ARCH04 -> ../dm-33 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-ARCH04p1 -> ../dm-95 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-ARCH05 -> ../dm-35 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-ARCH05p1 -> ../dm-97 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA01 -> ../dm-34 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-DATA01p1 -> ../dm-89 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA02 -> ../dm-39 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-DATA02p1 -> ../dm-99 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA03 -> ../dm-36 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-DATA03p1 -> ../dm-94 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA04 -> ../dm-38 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA04p1 -> ../dm-104 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA05 -> ../dm-40 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA05p1 -> ../dm-100 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA06 -> ../dm-42 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA06p1 -> ../dm-103 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA07 -> ../dm-41 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA07p1 -> ../dm-102 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA08 -> ../dm-43 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA08p1 -> ../dm-112 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA09 -> ../dm-44 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA09p1 -> ../dm-105 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA10 -> ../dm-47 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA10p1 -> ../dm-108 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA11 -> ../dm-46 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA11p1 -> ../dm-109 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA12 -> ../dm-48 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA12p1 -> ../dm-110 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA13 -> ../dm-49 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA13p1 -> ../dm-106 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA14 -> ../dm-51 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA14p1 -> ../dm-111 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA15 -> ../dm-50 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA15p1 -> ../dm-107 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA16 -> ../dm-53 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA16p1 -> ../dm-113 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA17 -> ../dm-52 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA17p1 -> ../dm-114 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA18 -> ../dm-54 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA18p1 -> ../dm-116 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA19 -> ../dm-55 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA19p1 -> ../dm-117 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA20 -> ../dm-56 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA20p1 -> ../dm-115 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA21 -> ../dm-57 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA21p1 -> ../dm-118 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA22 -> ../dm-60 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA22p1 -> ../dm-125 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA23 -> ../dm-59 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA23p1 -> ../dm-120 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA24 -> ../dm-61 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA24p1 -> ../dm-119 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-DATA25 -> ../dm-62 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-DATA25p1 -> ../dm-124 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/uatdb01_vgu01-uatdb01--lvu01 -> ../dm-123 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/uatdb01_vgu02-uatdb01--lvu02 -> ../dm-122 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-OCRVOTE_DISK1 -> ../dm-10 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-OCRVOTE_DISK1p1 -> ../dm-80 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-OCRVOTE_DISK2 -> ../dm-8 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-OCRVOTE_DISK2p1 -> ../dm-74 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-OCRVOTE_DISK3 -> ../dm-9 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-OCRVOTE_DISK3p1 -> ../dm-76 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-OCRVOTE_DISK4 -> ../dm-5 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-OCRVOTE_DISK4p1 -> ../dm-73 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-OCRVOTE_DISK5 -> ../dm-4 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-OCRVOTE_DISK5p1 -> ../dm-77 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-OCRVOTE_DISK6 -> ../dm-71 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-OCRVOTE_DISK6p1 -> ../dm-129 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS1_DISK1 -> ../dm-25 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS1_DISK1p1 -> ../dm-90 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS1_DISK2 -> ../dm-63 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS1_DISK2p1 -> ../dm-121 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS1_DISK3 -> ../dm-67 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS1_DISK3p1 -> ../dm-128 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS1_DISK4 -> ../dm-65 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS1_DISK4p1 -> ../dm-127 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS1_DISK5 -> ../dm-64 lrwxrwxrwx. 1 root root 9 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS1_DISK5p1 -> ../dm-126 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS2_DISK1 -> ../dm-3 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS2_DISK1p1 -> ../dm-72 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS2_DISK2 -> ../dm-11 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS2_DISK2p1 -> ../dm-79 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS2_DISK3 -> ../dm-6 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS2_DISK3p1 -> ../dm-78 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS2_DISK4 -> ../dm-12 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS2_DISK4p1 -> ../dm-81 lrwxrwxrwx. 1 root root 7 Jun 22 11:20 /dev/mapper/UAT-REDO2LOGS2_DISK5 -> ../dm-7 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDO2LOGS2_DISK5p1 -> ../dm-75 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS1-01 -> ../dm-19 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS1-01p1 -> ../dm-82 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS1-02 -> ../dm-21 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS1-02p1 -> ../dm-85 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS1-03 -> ../dm-20 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS1-03p1 -> ../dm-83 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS1-04 -> ../dm-22 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS1-04p1 -> ../dm-84 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS1-05 -> ../dm-24 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS1-05p1 -> ../dm-98 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS2-01 -> ../dm-23 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS2-01p1 -> ../dm-93 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS2-02 -> ../dm-26 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS2-02p1 -> ../dm-87 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS2-03 -> ../dm-27 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS2-03p1 -> ../dm-88 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS2-04 -> ../dm-28 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS2-04p1 -> ../dm-91 lrwxrwxrwx. 1 root root 8 Jun 22 11:20 /dev/mapper/UAT-REDOLOGS2-05 -> ../dm-29 lrwxrwxrwx. 1 root root 8 Apr 23 10:22 /dev/mapper/UAT-REDOLOGS2-05p1 -> ../dm-86 [root@erpuatdb1 ~]# ls -l /dev/dm-* brw-rw----. 1 root disk 253, 0 Apr 23 10:22 /dev/dm-0 brw-rw----. 1 root disk 253, 1 Apr 23 10:22 /dev/dm-1 brw-rw----. 1 root disk 253, 10 Jun 22 11:20 /dev/dm-10 brw-rw----. 1 root disk 253, 100 Apr 23 10:22 /dev/dm-100 brw-rw----. 1 root disk 253, 101 Apr 23 10:22 /dev/dm-101 brw-rw----. 1 root disk 253, 102 Apr 23 10:22 /dev/dm-102 brw-rw----. 1 root disk 253, 103 Apr 23 10:22 /dev/dm-103 brw-rw----. 1 root disk 253, 104 Apr 23 10:22 /dev/dm-104 brw-rw----. 1 root disk 253, 105 Apr 23 10:22 /dev/dm-105 brw-rw----. 1 root disk 253, 106 Apr 23 10:22 /dev/dm-106 brw-rw----. 1 root disk 253, 107 Apr 23 10:22 /dev/dm-107 brw-rw----. 1 root disk 253, 108 Apr 23 10:22 /dev/dm-108 brw-rw----. 1 root disk 253, 109 Apr 23 10:22 /dev/dm-109 brw-rw----. 1 root disk 253, 11 Jun 22 11:20 /dev/dm-11 brw-rw----. 1 root disk 253, 110 Apr 23 10:22 /dev/dm-110 brw-rw----. 1 root disk 253, 111 Apr 23 10:22 /dev/dm-111 brw-rw----. 1 root disk 253, 112 Apr 23 10:22 /dev/dm-112 brw-rw----. 1 root disk 253, 113 Apr 23 10:22 /dev/dm-113 brw-rw----. 1 root disk 253, 114 Apr 23 10:22 /dev/dm-114 brw-rw----. 1 root disk 253, 115 Apr 23 10:22 /dev/dm-115 brw-rw----. 1 root disk 253, 116 Apr 23 10:22 /dev/dm-116 brw-rw----. 1 root disk 253, 117 Apr 23 10:22 /dev/dm-117 brw-rw----. 1 root disk 253, 118 Apr 23 10:22 /dev/dm-118 brw-rw----. 1 root disk 253, 119 Apr 23 10:22 /dev/dm-119 brw-rw----. 1 root disk 253, 12 Jun 22 11:20 /dev/dm-12 brw-rw----. 1 root disk 253, 120 Apr 23 10:22 /dev/dm-120 brw-rw----. 1 root disk 253, 121 Apr 23 10:22 /dev/dm-121 brw-rw----. 1 root disk 253, 122 Apr 23 10:22 /dev/dm-122 brw-rw----. 1 root disk 253, 123 Apr 23 10:22 /dev/dm-123 brw-rw----. 1 root disk 253, 124 Apr 23 10:22 /dev/dm-124 brw-rw----. 1 root disk 253, 125 Apr 23 10:22 /dev/dm-125 brw-rw----. 1 root disk 253, 126 Apr 23 10:22 /dev/dm-126 brw-rw----. 1 root disk 253, 127 Apr 23 10:22 /dev/dm-127 brw-rw----. 1 root disk 253, 128 Apr 23 10:22 /dev/dm-128 brw-rw----. 1 root disk 253, 129 Apr 23 10:22 /dev/dm-129 brw-rw----. 1 root disk 253, 13 Jun 22 11:20 /dev/dm-13 brw-rw----. 1 root disk 253, 130 Apr 23 10:22 /dev/dm-130 brw-rw----. 1 root disk 253, 131 Apr 23 10:22 /dev/dm-131 brw-rw----. 1 root disk 253, 14 Jun 22 11:20 /dev/dm-14 brw-rw----. 1 root disk 253, 15 Jun 22 11:20 /dev/dm-15 brw-rw----. 1 root disk 253, 16 Jun 22 11:20 /dev/dm-16 brw-rw----. 1 root disk 253, 17 Jun 22 11:20 /dev/dm-17 brw-rw----. 1 root disk 253, 18 Jun 22 11:20 /dev/dm-18 brw-rw----. 1 root disk 253, 19 Jun 22 11:20 /dev/dm-19 brw-rw----. 1 root disk 253, 2 Apr 23 10:22 /dev/dm-2 brw-rw----. 1 root disk 253, 20 Jun 22 11:20 /dev/dm-20 brw-rw----. 1 root disk 253, 21 Jun 22 11:20 /dev/dm-21 brw-rw----. 1 root disk 253, 22 Jun 22 11:20 /dev/dm-22 brw-rw----. 1 root disk 253, 23 Jun 22 11:20 /dev/dm-23 brw-rw----. 1 root disk 253, 24 Jun 22 11:20 /dev/dm-24 brw-rw----. 1 root disk 253, 25 Jun 22 11:20 /dev/dm-25 brw-rw----. 1 root disk 253, 26 Jun 22 11:20 /dev/dm-26 brw-rw----. 1 root disk 253, 27 Jun 22 11:20 /dev/dm-27 brw-rw----. 1 root disk 253, 28 Jun 22 11:20 /dev/dm-28 brw-rw----. 1 root disk 253, 29 Jun 22 11:20 /dev/dm-29 brw-rw----. 1 root disk 253, 3 Jun 22 11:20 /dev/dm-3 brw-rw----. 1 root disk 253, 30 Jun 22 11:20 /dev/dm-30 brw-rw----. 1 root disk 253, 31 Jun 22 11:20 /dev/dm-31 brw-rw----. 1 root disk 253, 32 Jun 22 11:20 /dev/dm-32 brw-rw----. 1 root disk 253, 33 Jun 22 11:20 /dev/dm-33 brw-rw----. 1 root disk 253, 34 Jun 22 11:20 /dev/dm-34 brw-rw----. 1 root disk 253, 35 Jun 22 11:20 /dev/dm-35 brw-rw----. 1 root disk 253, 36 Jun 22 11:20 /dev/dm-36 brw-rw----. 1 root disk 253, 37 Jun 22 11:20 /dev/dm-37 brw-rw----. 1 root disk 253, 38 Jun 22 11:20 /dev/dm-38 brw-rw----. 1 root disk 253, 39 Jun 22 11:20 /dev/dm-39 brw-rw----. 1 root disk 253, 4 Jun 22 11:20 /dev/dm-4 brw-rw----. 1 root disk 253, 40 Jun 22 11:20 /dev/dm-40 brw-rw----. 1 root disk 253, 41 Jun 22 11:20 /dev/dm-41 brw-rw----. 1 root disk 253, 42 Jun 22 11:20 /dev/dm-42 brw-rw----. 1 root disk 253, 43 Jun 22 11:20 /dev/dm-43 brw-rw----. 1 root disk 253, 44 Jun 22 11:20 /dev/dm-44 brw-rw----. 1 root disk 253, 45 Jun 22 11:20 /dev/dm-45 brw-rw----. 1 root disk 253, 46 Jun 22 11:20 /dev/dm-46 brw-rw----. 1 root disk 253, 47 Jun 22 11:20 /dev/dm-47 brw-rw----. 1 root disk 253, 48 Jun 22 11:20 /dev/dm-48 brw-rw----. 1 root disk 253, 49 Jun 22 11:20 /dev/dm-49 brw-rw----. 1 root disk 253, 5 Jun 22 11:20 /dev/dm-5 brw-rw----. 1 root disk 253, 50 Jun 22 11:20 /dev/dm-50 brw-rw----. 1 root disk 253, 51 Jun 22 11:20 /dev/dm-51 brw-rw----. 1 root disk 253, 52 Jun 22 11:20 /dev/dm-52 brw-rw----. 1 root disk 253, 53 Jun 22 11:20 /dev/dm-53 brw-rw----. 1 root disk 253, 54 Jun 22 11:20 /dev/dm-54 brw-rw----. 1 root disk 253, 55 Jun 22 11:20 /dev/dm-55 brw-rw----. 1 root disk 253, 56 Jun 22 11:20 /dev/dm-56 brw-rw----. 1 root disk 253, 57 Jun 22 11:20 /dev/dm-57 brw-rw----. 1 root disk 253, 58 Jun 22 11:20 /dev/dm-58 brw-rw----. 1 root disk 253, 59 Jun 22 11:20 /dev/dm-59 brw-rw----. 1 root disk 253, 6 Jun 22 11:20 /dev/dm-6 brw-rw----. 1 root disk 253, 60 Jun 22 11:20 /dev/dm-60 brw-rw----. 1 root disk 253, 61 Jun 22 11:20 /dev/dm-61 brw-rw----. 1 root disk 253, 62 Jun 22 11:20 /dev/dm-62 brw-rw----. 1 root disk 253, 63 Jun 22 11:20 /dev/dm-63 brw-rw----. 1 root disk 253, 64 Jun 22 11:20 /dev/dm-64 brw-rw----. 1 root disk 253, 65 Jun 22 11:20 /dev/dm-65 brw-rw----. 1 root disk 253, 66 Jun 22 11:20 /dev/dm-66 brw-rw----. 1 root disk 253, 67 Jun 22 11:20 /dev/dm-67 brw-rw----. 1 root disk 253, 68 Jun 22 11:20 /dev/dm-68 brw-rw----. 1 root disk 253, 69 Jun 22 11:20 /dev/dm-69 brw-rw----. 1 root disk 253, 7 Jun 22 11:20 /dev/dm-7 brw-rw----. 1 root disk 253, 70 Jun 22 11:20 /dev/dm-70 brw-rw----. 1 root disk 253, 71 Jun 22 11:20 /dev/dm-71 brw-rw----. 1 root disk 253, 72 Apr 23 10:22 /dev/dm-72 brw-rw----. 1 root disk 253, 73 Apr 23 10:22 /dev/dm-73 brw-rw----. 1 root disk 253, 74 Apr 23 10:22 /dev/dm-74 brw-rw----. 1 root disk 253, 75 Apr 23 10:22 /dev/dm-75 brw-rw----. 1 root disk 253, 76 Apr 23 10:22 /dev/dm-76 brw-rw----. 1 root disk 253, 77 Apr 23 10:22 /dev/dm-77 brw-rw----. 1 root disk 253, 78 Apr 23 10:22 /dev/dm-78 brw-rw----. 1 root disk 253, 79 Apr 23 10:22 /dev/dm-79 brw-rw----. 1 root disk 253, 8 Jun 22 11:20 /dev/dm-8 brw-rw----. 1 root disk 253, 80 Apr 23 10:22 /dev/dm-80 brw-rw----. 1 root disk 253, 81 Apr 23 10:22 /dev/dm-81 brw-rw----. 1 root disk 253, 82 Apr 23 10:22 /dev/dm-82 brw-rw----. 1 root disk 253, 83 Apr 23 10:22 /dev/dm-83 brw-rw----. 1 root disk 253, 84 Apr 23 10:22 /dev/dm-84 brw-rw----. 1 root disk 253, 85 Apr 23 10:22 /dev/dm-85 brw-rw----. 1 root disk 253, 86 Apr 23 10:22 /dev/dm-86 brw-rw----. 1 root disk 253, 87 Apr 23 10:22 /dev/dm-87 brw-rw----. 1 root disk 253, 88 Apr 23 10:22 /dev/dm-88 brw-rw----. 1 root disk 253, 89 Apr 23 10:22 /dev/dm-89 brw-rw----. 1 root disk 253, 9 Jun 22 11:20 /dev/dm-9 brw-rw----. 1 root disk 253, 90 Apr 23 10:22 /dev/dm-90 brw-rw----. 1 root disk 253, 91 Apr 23 10:22 /dev/dm-91 brw-rw----. 1 root disk 253, 92 Apr 23 10:22 /dev/dm-92 brw-rw----. 1 root disk 253, 93 Apr 23 10:22 /dev/dm-93 brw-rw----. 1 root disk 253, 94 Apr 23 10:22 /dev/dm-94 brw-rw----. 1 root disk 253, 95 Apr 23 10:22 /dev/dm-95 brw-rw----. 1 root disk 253, 96 Apr 23 10:22 /dev/dm-96 brw-rw----. 1 root disk 253, 97 Apr 23 10:22 /dev/dm-97 brw-rw----. 1 root disk 253, 98 Apr 23 10:22 /dev/dm-98 brw-rw----. 1 root disk 253, 99 Apr 23 10:22 /dev/dm-99 [root@uatdb1 ~]# Thanks for all the support |
Administrator
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use multipath command..
commands like multipath -ll , multipath -v2 and so on.. |
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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 ~]# |
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Administrator
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So, you have multipath devices as you see in the output.
What are you asking to me? |
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Dear Erman,
Is multipath and raid both different? |
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Administrator
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Yes. They are completely different.
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