Dell EMC PowerVault MD 34XX/38XX Series Storage Arrays Administrator's Guide

# multipath –ll

The output must be similar to this example, which shows the output for one mapped virtual disk.

mpath1 (3600a0b80005ab177000017544a8d6b92) dm-0 DELL, MD3xxxx[size=5.0G][features=3 queue_if_no_path pg_init_retries 50][hwhandler=1 rdac][rw]\_ round-robin 0 [prio=6][active] \_ 5:0:0:0   sdc  8:32   [active][ready]\_ round-robin 0 [prio=1][enabled] \_ 4:0:0:0   sdb  8:16   [active][ghost]

where:

mpath1 is the name of the virtual device created by device mapper. It is located in the /dev/mapper directory.

DELL is the vendor of the device.

MD3xxxx is the model of the device.

Sdc is the physical path to the owning RAID for the device.

Sdb is the physical path to the nonowning RAID for the device.

The following is an example of SLES output:

mpathb(360080e500017b2f80000c6ca4a1d4ab8) dm-21 DELL,MD3xxxx[size=1.0G][features=3 queue_if_no_path pg_init_retries 50][hwhandler=1 rdac][rw]\_ round-robin 0 [prio=6][active] \_ 4:0:0:22 sdx  65:112 [active][ready]\_ round-robin 0 [prio=1][enabled] \_ 6:0:0:22 sdcl 69:144 [active][ghost]

where:

mpathb is the name of the virtual device created by device mapper. It is located in the /dev/mapper directory.

DELL is the vendor of the device.

MD3xxxx is the model of the device.

Sdx is the physical path to the owning RAID for the device.

Sdcl is the physical path to the nonowning RAID for the device.