ceph-disk: default DB size of 20GB

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/ceph-disk/ceph_disk/main.py b/src/ceph-disk/ceph_disk/main.py
index 2a38b3d866d8e09d35403e38783e6844f035557c..6844f2f2714f86c086974222647fd69e88378c1c 100755 (executable)
--- a/src/ceph-disk/ceph_disk/main.py
+++ b/src/ceph-disk/ceph_disk/main.py
@@ -2230,7 +2230,7 @@ class PrepareBluestoreBlockDB(PrepareSpace):
         )
 
         if block_size is None:
-            return 64  # MB, default value
+            return 20480  # MB, default value
         else:
             return int(block_size) / 1048576  # MB