Package device-mapper

Device mapper utility

http://sources.redhat.com/dm

This package contains the supporting userspace utility, dmsetup,
for the kernel device-mapper.

System Administration (Section 8)
blkdeactivate
blkdeactivate utility deactivates block devices. If a device is mounted, the utility can unmount it automatically before trying to deactivate. The utility...
dmsetup
dmsetup manages logical devices that use the device-mapper driver. Devices are created by loading a table that specifies a target for each sector (512 bytes) in...
dmstats
The dmstats program manages IO statistics regions for devices that use the device-mapper driver. Statistics regions may be created, deleted, listed and reported...