.\" -*- nroff -*-
-.\" Copyright 2008 by Sun Microsystems. All Rights Reserved.
+.\" Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
.\" This file may be copied under the terms of the GNU Public License.
.\"
.TH mkfs.lustre 8 "2008 Mar 15" Lustre "configuration utilities"
Format options for the backing fs. For example, ext3 options could be set here.
.TP
.BI \--mountfsoptions= opts
-Set permanent mount options, equivalent to setting in /etc/fstab
+Set the mount options that will be used when mounting the backing fs.
+WARNING: unlike earlier versions of \fBmkfs.lustre\fR, this version completely
+replaces the default mount options with those specified on the command line,
+issuing a warning on stderr if any of the default mount options are omitted.
+The defaults for \fIldiskfs\fR are
+OST: \fIerrors=remount-ro,mballoc,extents\fR;
+MGS/MDT: \fIerrors=remount-ro,iopen_nopriv,user_xattr\fR.
+\fBDO NOT\fR alter the default mount options unless you know what you are doing.
+.TP
+.BI \--network= net,...
+Network(s) to restrict this ost/mdt to. This option can be repeated as desired.
.TP
.BI \--mgsnode= nid,...
Set the NID(s) of the MGS node, required for all targets other than the MGS.