.\" -*- nroff -*-
-.TH MDADM 8 "" v2.3
+.TH MDADM 8 "" v2.3.1
.SH NAME
mdadm \- manage MD devices
.I aka
.B none
can be given when used with --grow to remove a bitmap.
+To help catch typing errors, the filename must contain at least one
+slash ('/') if it is a real file (not 'internal' or 'none').
+
+Note: bitmaps are only known to work on ext2 and ext3. Using other
+filesystems may result in serious problems.
+
.TP
.BR --bitmap-chunk=
Set the Chunksize of the bitmap. Each bit corresponds to that many