менеджер логических томов для объединения нескольких физических дисковых устройств в логический модуль (LVM RAID)
История (History)
The 2.6.38-rc1 version of the Linux kernel introduced a device-
mapper target to interface with the software RAID (MD)
personalities. This provided device-mapper with RAID 4/5/6
capabilities and a larger development community. Later, support
for RAID1, RAID10, and RAID1E (RAID 10 variants) were added.
Support for these new kernel RAID targets was added to LVM
version 2.02.87. The capabilities of the LVM raid1 type have
surpassed the old mirror type. raid1 is now recommended instead
of mirror. raid1 became the default for mirroring in LVM version
2.02.100.
