the block where the superblock would be is overwritten even if it
doesn't appear to be valid.
+.B Note:
+Be careful to call \-\-zero\-superblock with clustered raid, make sure
+array isn't used or assembled in other cluster node before execute it.
+
.TP
.B \-\-kill\-subarray=
If the device is a container and the argument to \-\-kill\-subarray
bitmap. If an array has a bitmap, it must be removed before the size
can be changed. Once the change is complete a new bitmap can be created.
+.PP
+Note:
+.B "--grow --size"
+is not yet supported for external file bitmap.
+
.SS RAID\-DEVICES CHANGES
A RAID1 array can work with any number of devices from 1 upwards