What Is Linux Dev Mapper?
Contents the Device Mapper Is a Framework Provided by the Linux Kernel for Mapping Physical Block Devices onto Higher-Level Virtual Block Devices. It Forms the...
The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices. It forms the foundation of the logical volume manager (LVM), software RAIDs and dm-crypt disk encryption, and offers additional features such as file system snapshots.
How do I get rid of Dev Mapper?
The remove command deactivates a device mapper device. It removes it from /dev/mapper. Syntax is dmsetup remove [-f] <device name> Note is not possible to remove a device that’s in use. The -f option may be passed the replace the target with one that fails all I/O, hopefully allowing the reference count to drop to 0.
What is Dev Mapper Ubuntu?
The /dev/mapper/ubuntu–vg-root in place of a traditional /dev/sdxN block device just indicates that you chose to install the system using LVM2 logical volume management.