The February 2012 issue of ;login: has a detailed overview of Btrfs [PDF] written by developer Josef Bacik. "Btrfs’s snapshotting is simple to use and understand. The snapshots will show up as normal directories under the snapshotted directory, and you can cd into it and walk around like in a...
February 9, 2012
Btrfs: The Swiss Army Knife of Storage (;login:)
Read more at LWN