- extended attributes
- POSIX ACLs
- quotas
- - writable snapshots
- - remote backup (CDP)
- - data integrity
+ - fsck
+ - resize
- defragmentation
Mount options
4) Data address translation file -- Maps virtual block numbers to usual
(DAT) block numbers. This file serves to
make on-disk blocks relocatable.
- 5) Sketch file (sketch) -- Keeps read-only data which can be
- associated with checkpoints (optional)
The following figure shows a typical organization of the logs: