%general-entities; ]> $LastChangedBy: pierre $ $Date: 2015-02-22 17:34:08 -0500 (Sun, 22 Feb 2015) $ LVM2 The LVM2 package is a package that manages logical partitions. It allows spanning of file systems across multiple physical disks and disk partitions and provides for dynamic growing or shrinking of logical partitions. &lfs77_checked; Package Information Download (HTTP): Download (FTP): Download MD5 sum: &lvm2-md5sum; Download size: &lvm2-size; Estimated disk space required: &lvm2-buildsize; Estimated build time: &lvm2-time; LVM2 Dependencies Optional (for checks) and (for checks) User Notes: Enable the following options in the kernel configuration and recompile the kernel: There are several other Device Mapper options in the kernel beyond those listed below. In order to get reasonable results if running the regression tests, all must be enabled either internally or as a module. Device Drivers ---> [*] Multiple devices driver support (RAID and LVM) ---> [CONFIG_MD] <*/M> Device mapper support [CONFIG_BLK_DEV_DM] <*/M/ > Crypt target support [CONFIG_DM_CRYPT] <*/M/ > Snapshot target [CONFIG_DM_SNAPSHOT] <*/M/ > Mirror target [CONFIG_DM_MIRROR] lvm2 Install LVM2 by running the following commands: ./configure --prefix=/usr \ --exec-prefix= \ --with-confdir=/etc \ --enable-applib \ --enable-cmdlib \ --enable-pkgconfig \ --enable-udev_sync && make The check command must be run as the root user. Also the tests are known to hang if at least one partition on a hard drive is not set up as a Linux LVM partition (type 8e00). To test the results, issue: make check as the root user. The test timings are very dependent on the speed of the disk(s), and on the number of enabled kernel options. Now, as the root user: make install --enable-applib: This switch enables building of the shared application library. --enable-cmdlib: This switch enables building of the shared command library. It is required when building the event daemon. --enable-pkgconfig: This switch enables installation of pkg-config support files. --enable-udev_sync: This switch enables synchronisation with Udev processing. --enable-dmeventd: This switch enables building of the Device Mapper event daemon. Installed Programs Installed Libraries Installed Directories blkdeactivate, dmeventd (optional), dmsetup, fsadm, lvm, lvmconf, lvmdump, vgimportclone. There are also numerous symbolic links to lvm that implement specific functionalities libdevmapper.so, liblvm2app.so and liblvm2cmd.so; optional: libdevmapper-event.so, libdevmapper-event-lvm2.so, libdevmapper-event-lvm2mirror.so, libdevmapper-event-lvm2snapshot.so, libdevmapper-event-lvm2raid.so, and libdevmapper-event-lvm2thin.so /etc/lvm and /lib/device-mapper (optional) Short Descriptions blkdeactivate utility to deactivate block device. blkdeactivate dmeventd (optional) is the Device Mapper event daemon. dmeventd dmsetup is a low level logical volume management tool. dmsetup fsadm is an utility used to resize or check filesystem on a device. fsadm lvm provides the command-line tools for LVM2. Commands are implemented via sympolic links to this program to manage physical devices (pv*), volume groups (vg*) and logical volumes (lv*). lvm lvmconf is a script that modifies the locking configuration in the LVM2 configuration file. lvmconf lvmdump is a tool used to dump various information concerning LVM2. lvmdump vgimportclone is used to import a duplicated VG (e.g. hardware snapshot). vgimportclone libdevmapper.so contains the Device Mapper API functions. libdevmapper.so