4220 beadm mount of old BE with zones fails "Read only filesystem"
4235 beadm(1M) mount options undocumented in man page

@@ -1,8 +1,8 @@
 '\" te
 .\" Copyright 2013 Nexenta Systems, Inc. All rights reserved.
-.TH BEADM 1M "Jul 25, 2013"
+.TH BEADM 1M "Nov 11, 2013"
 .SH NAME
 beadm \- utility for managing zfs boot environments
 .SH SYNOPSIS
 .LP
 .nf

@@ -27,11 +27,11 @@
 \fBbeadm\fR \fBlist\fR [\fB-a\fR | \fB-ds\fR] [\fB-H\fR] [\fB-v\fR] [\fIbeName\fR]
 .fi
 
 .LP
 .nf
-\fBbeadm\fR \fBmount\fR [\fB-v\fR] \fIbeName\fR \fImountpoint\fR
+\fBbeadm\fR \fBmount\fR [\fB-s\fR \fBro\fR|\fBrw\fR] [\fB-v\fR] \fIbeName\fR \fImountpoint\fR
 .fi
 
 .LP
 .nf
 \fBbeadm\fR \fBunmount\fR [\fB-fv\fR] \fIbeName\fR | \fImountpoint\fR

@@ -405,18 +405,27 @@
 .RE
 
 .sp
 .ne 2
 .na
-\fBbeadm\fR \fBmount\fR [\fB-v\fR] \fIbeName\fR \fImountpoint\fR
+\fBbeadm\fR \fBmount\fR [\fB-s\fR \fBro\fR|\fBrw\fR] [\fB-v\fR] \fIbeName\fR \fImountpoint\fR
 .ad
 .sp .6
 .RS 4n
 Mounts a boot environment named beName at mountpoint.  mountpoint must be an
 already existing empty directory.
 .sp
 .ne 2
+.na
+\fB-s\fR \fBro\fR|\fBrw\fR
+.ad
+.sp .6
+.RS 4n
+Mount the shared filesystems of the BE in read-only or read-write mode.
+.RE
+.sp
+.ne 2
 .na
 \fB-v\fR
 .ad
 .sp .6
 .RS 4n