... use is a traditional file server, which provides centralized backup, storage space for media files, and shared file space for several family members' computers. Flexibility is a key requirement; ... might allocate all available disk space to the partitions you're creating, but with LVM, it is worthwhile to be conservative, allocating only half the available space to the current requirements. ... enough for the present space requirements, and LVM gives the flexibility to add more or larger disks later.With four drives, RAID 5 is another option. It restores some of the disk space but adds even...