diff options
Diffstat (limited to 'Create.c')
| -rw-r--r-- | Create.c | 19 |
1 files changed, 17 insertions, 2 deletions
@@ -111,6 +111,11 @@ int Create(struct supertype *st, char *mddev, int mdfd, Name ": at least 2 raid-devices needed for level 4 or 5\n"); return 1; } + if (level <= 0 && sparedisks) { + fprintf(stderr, + Name ": This level does not support spare devices\n"); + return 1; + } if (subdevs > raiddisks+sparedisks) { fprintf(stderr, Name ": You have listed more devices (%d) than are in the array(%d)!\n", subdevs, raiddisks+sparedisks); return 1; @@ -167,20 +172,24 @@ int Create(struct supertype *st, char *mddev, int mdfd, case 10: case 6: case 0: - case -1: /* linear */ + case LEVEL_LINEAR: /* linear */ if (chunk == 0) { chunk = 64; if (verbose > 0) fprintf(stderr, Name ": chunk size defaults to 64K\n"); } break; - default: /* raid1, multipath */ + case 1: + case LEVEL_MULTIPATH: if (chunk) { chunk = 0; if (verbose > 0) fprintf(stderr, Name ": chunk size ignored for this level\n"); } break; + default: + fprintf(stderr, Name ": unknown level %d\n", level); + return 1; } /* now look at the subdevs */ @@ -332,6 +341,12 @@ int Create(struct supertype *st, char *mddev, int mdfd, break; } } + + if (level <= 0 && first_missing != subdevs * 2) { + fprintf(stderr, + Name ": This level does not support missing devices\n"); + return 1; + } /* Ok, lets try some ioctls */ |