X-Git-Url: http://git.tuebingen.mpg.de/dss.git/log?a=blobdiff_plain;f=dss.c;h=a3bda5330510e5290ef234d0a8e67b29a726461d;hb=f1aa445d6e57465d08b8a1ee6b9c87c9bb1d25f6;hp=979ff132b04c30f233a7e05b59d05ea5b0e4ed07;hpb=bb57abb9288aae5dfe0fec57d953f01b514443ec;p=dss.git

diff --git a/dss.c b/dss.c
index 979ff13..a3bda53 100644
--- a/dss.c
+++ b/dss.c
@@ -612,7 +612,12 @@ static int try_to_free_disk_space(void)
 	 */
 	dss_get_snapshot_list(&sl);
 	ret = 0;
-	if (!low_disk_space && sl.num_snapshots <= 1)
+	/*
+	 * Don't remove anything if there is free space and we have fewer
+	 * snapshots than configured, plus one. This way there is always one
+	 * snapshot that can be recycled.
+	 */
+	if (!low_disk_space && sl.num_snapshots <= 1 << conf.num_intervals_arg)
 		goto out;
 	why = "outdated";
 	victim = find_outdated_snapshot(&sl);