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Red Hat Enterprise Linux 6 Essentials eBook now available in PDF and ePub formats for only $9.99
RHEL 6 Essentials contains 40 chapters and over 250 pages.

A.2.4. The dmsetup deps Command

The dmsetup deps device command provides a list of (major, minor) pairs for devices referenced by the mapping table for the specified device. If you do not specify a device name, the output is information about all of the currently configured Device Mapper devices.
The following example shows the command to list the dependencies of all currently configured mapped devices.
[[email protected] ~]# dmsetup deps
testgfsvg-testgfslv3: 1 dependencies    : (8, 16)
testgfsvg-testgfslv2: 1 dependencies    : (8, 16)
testgfsvg-testgfslv1: 1 dependencies    : (8, 16)
VolGroup00-LogVol01: 1 dependencies     : (8, 2)
VolGroup00-LogVol00: 1 dependencies     : (8, 2)
The following example shows the command to list the dependencies only of the device lock_stress-grant--02.1722:
[[email protected] ~]# dmsetup deps lock_stress-grant--02.1722
3 dependencies  : (253, 33) (253, 32) (253, 31)

 
 
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