Beyond Linux® From Scratch - Version 2012-01-16

Chapter 11. System Utilities

device-mapper-1.02.67

Introduction to device-mapper

The device-mapper package is an implementation of a minimalistic kernel-space driver that handles volume management, while keeping knowledge of the underlying device layout in user-space.

This package is known to build and work properly using an LFS-7.0 platform.

Package Information

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/device-mapper

Installation of device-mapper

Install device-mapper by running the following commands: 

./configure --prefix=/usr --enable-pkgconfig &&
make device-mapper

The device-mapper portion of this package does not come with a test suite.

Now, as the root user: 

make install_device-mapper

Command Explanations

--enable-pkgconfig: This parameter installs pkgconfig support.

--enable-dmeventd: This option builds the device-mapper event daemon.

--enable-cmdlib: This option builds the shared command library. It is required when building the daemon.

Contents

Installed Programs: dmeventd and dmsetup
Installed Libraries: libdevmapper-event.so and libdevmapper.so
Installed Directories: None

Short Descriptions

dmsetup

is a low level logical volume management tool.

libdevmapper.so

contains the device-mapper API functions.

Last updated on 2011-11-08 16:57:34 +0000