My Home NAS, Part 7: Breaking Things Down with LVM

As I mentioned at the end of my RAID setup post, I want the storage space on my home NAS divided up into several fixed-size filesystems, each associated with a different purpose. Now, one approach here would have been to divide the physical disks up into several partitions and create several separate RAID arrays on top of those...but that seems a bit like overkill, and certainly isn't very flexible if I later increase the size of the array.