# only make a snapshot if things have changed
snapshot_create onchange
-# much less snapshots because I have less space on the
-# local filesystem.
-#snapshot_preserve 2h 2d
-# for now, keeping them equal for simplicity sake
-snapshot_preserve 48h 14d 8w 24m
-snapshot_preserve_min 6h
+# I could make this different from target_preserve,
+# if one disk had less space.
+# for now, keeping them equal.
+snapshot_preserve 36h 14d 8w 24m
+snapshot_preserve_min 4h
snapshot_dir btrbk
# so, total backups = ~89
-target_preserve 48h 14d 8w 24m
-target_preserve_min 6h
+target_preserve 36h 14d 8w 24m
+target_preserve_min 4h
# if something fails and it's not obvious, try doing
# btrbk -l debug -v dryrun