X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=dss.ggo;h=9587dd24c7b11a439b2c63335ba922361e1cf988;hb=331602985a9b73157dfba5ceffd2c257e078c197;hp=ac7f5b7875279914e7b71ca15b26d8d60e36faf6;hpb=8daf8f3836e745ba07f1aa01252279588574c95a;p=dss.git

diff --git a/dss.ggo b/dss.ggo
index ac7f5b7..9587dd2 100644
--- a/dss.ggo
+++ b/dss.ggo
@@ -439,3 +439,23 @@ details="
 	becomes low. Use this flag if the file system containing the
 	destination directory is used for snapshots only.
 "
+
+option "min-complete" -
+#~~~~~~~~~~~~~~~~~~~~~~
+"Minimal number of complete snapshots to keep"
+int typestr = "num"
+default = "1"
+optional
+details = "
+	This option is only relevant if snapshots must be deleted
+	because disk space gets low.
+
+	dss refuses to remove old snapshots if there are fewer complete
+	snapshots left than the given number. The default value of one
+	guarantees that at least one complete snapshot is available
+	at all times.
+
+	If only <num> complete snapshot are left, and there is not
+	enough disk space available for another snapshot, the program
+	terminates with a \"No space left on device\" error.
+"