Always thought this was a really interesting file system, pity it's not available for Linux (not sure if somebody made a FUSE port but that's not really usable IMO)
Phoronix: DragonflyBSD Developing The HAMMER2 File-System
While it's not part of this week's DragonflyBSD 3.0 release, Matthew Dillon is currently designing the HAMMER2 file-system to succeed his original HAMMER creation in Dragonfly...
http://www.phoronix.com/vr.php?view=MTA2MjM
Always thought this was a really interesting file system, pity it's not available for Linux (not sure if somebody made a FUSE port but that's not really usable IMO)
iirc, one of the downsides to HAMMER was that it had to run a cron job daily to reclaim blocks from deleted files, and until that job runs you don't get back any of the free space from the files you deleted.
What kind of modern file system does that?
[QUOTE=DaemonFC;251958What kind of modern file system does that?[/QUOTE]
As far as I know NILFS does something similar.