device-mapper: device-mapper (Mapper userspace tools)
device-mapper: 
device-mapper: The device-mapper is a new component of the Linux kernel that
device-mapper: supports logical volume management. It is required by LVM2 and EVMS.
device-mapper: this package provides the userspace configuration tool (dmsetup)
device-mapper: and the library (libdevmapper).
device-mapper: 
device-mapper: 
device-mapper: 
device-mapper: 
device-mapper: