@@ -837,6 +837,22 @@ array is resynced at creation. From Linux version 3.0,
.B \-\-assume\-clean
can be used with that command to avoid the automatic resync.
+.TP
+.BR \-\-write-zeroes
+When creating an array, send write zeroes requests to all the block
+devices. This should zero the data area on all disks such that the
+initial sync is not necessary and, if successfull, will behave
+as if
+.B \-\-assume\-clean
+was specified.
+.IP
+This is intended for use with devices that have hardware offload for
+zeroing, but despit this zeroing can still take several minutes for
+large disks. Thus a message is printed before and after zeroing and
+each disk is zeroed in parallel with the others.
+.IP
+This is only meaningful with --create.
+
.TP
.BR \-\-backup\-file=
This is needed when