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Red Hat Enterprise Linux 9 Essentials Book now available.

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Red Hat Enterprise Linux 9 Essentials Print and eBook (PDF) editions contain 34 chapters and 298 pages

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A.2.2. The dmsetup ls Command

You can list the device names of mapped devices with the dmsetup ls command. You can list devices that have at least one target of a specified type with the dmsetup ls --target target_type command. For other options of the dmsetup ls, see the dmsetup man page.
The following example shows the command to list the device names of currently configured mapped devices.
[root@ask-07 ~]# dmsetup ls
testgfsvg-testgfslv3    (253, 4)
testgfsvg-testgfslv2    (253, 3)
testgfsvg-testgfslv1    (253, 2)
VolGroup00-LogVol01     (253, 1)
VolGroup00-LogVol00     (253, 0)
The following example shows the command to list the devices names of currently configured mirror mappings.
[root@grant-01 ~]# dmsetup ls --target mirror
lock_stress-grant--02.1722      (253, 34)
lock_stress-grant--01.1720      (253, 18)
lock_stress-grant--03.1718      (253, 52)
lock_stress-grant--02.1716      (253, 40)
lock_stress-grant--03.1713      (253, 47)
lock_stress-grant--02.1709      (253, 23)
lock_stress-grant--01.1707      (253, 8)
lock_stress-grant--01.1724      (253, 14)
lock_stress-grant--03.1711      (253, 27)

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