Improve error message for adding bitmap to a level that cannot support it.

[thirdparty/mdadm.git] / Create.c

diff --git a/Create.c b/Create.c
index 21e578b8bb0b7c4bd9860400f1635e0f5302665b..2a4335a891cf882c7b42ff3367245518aa6887e5 100644 (file)
--- a/Create.c
+++ b/Create.c
@@ -87,11 +87,6 @@ int Create(struct supertype *st, char *mddev, int mdfd,
                        Name ": a RAID level is needed to create an array.\n");
                return 1;
        }
-       if (raiddisks < 1) {
-               fprintf(stderr,
-                       Name ": a number of --raid-devices must be given to create an array\n");
-               return 1;
-       }
        if (raiddisks < 4 && level == 6) {
                fprintf(stderr,
                        Name ": at least 4 raid-devices needed for level 6\n");
@@ -115,6 +110,11 @@ int Create(struct supertype *st, char *mddev, int mdfd,
                fprintf(stderr, Name ": You haven't given enough devices (real or missing) to create this array\n");
                return 1;
        }
+       if (bitmap_file && level <= 0) {
+               fprintf(stderr, Name ": bitmaps not meaningful with level %s\n",
+                       map_num(pers, level)?:"given");
+               return 1;
+       }
 
        /* now set some defaults */
        if (layout == UnSet)