Developers Guide

Useful tools
52 Dell EMC SC Series with Red Hat Enterprise Linux 7x | CML1071
These WWID values in turn, correlate to the Serial Number value of the SC Series storage devices.
Serial Number field
5.3 The dmsetup command
The dmsetup command can be used to view, manage, and change the metadata of logical volumes that are
managed by the device-mapper driver. In the following example, the dmsetup command is used to display
the Name and UUID values of this SC Series volume (the UUID value is a concatenation of the mpath- prefix
to the volume serial number value).
# dmsetup info /dev/mapper/vol_001
Name: vol_001
State: ACTIVE
Read Ahead: 256
Tables present: LIVE
Open count: 0
Event number: 0
Major, minor: 253, 4
Number of targets: 1
UUID: mpath-36000d3100000650000000000000017f2