.\" See file COPYING in distribution for details.
-.TH MDMON 8 "" v3.1.1
+.TH MDMON 8 "" v3.1.2
.SH NAME
mdmon \- monitor MD external metadata arrays
each of them if appropriate. This is normally used with
.B \-\-takeover
late in the boot sequence.
+A separate
+.I mdmon
+process is started for each container as the
+.B \-\-all
+argument is over-written with the name of the container. To allow for
+containers with names longer than 5 characters, this argument can be
+arbitrarily extended, e.g. to
+.BR \-\-all-active-arrays .
.PP
Note that
mounted from an
.I mdmon
monitored device.
+Note that in general
+.I mdmon
+is needed even if the filesystem is mounted read-only as some
+filesystems can still write to the device in those circumstances, for
+example to replay a journal after an unclean shutdown.
When the array is assembled by the
.B initramfs
.SH EXAMPLES
-.B " mdmon \-\-all \-\-takeover"
+.B " mdmon \-\-all-active-arrays \-\-takeover"
.br
Any
.I mdmon