LU-1842 quota: tunefs.lustre --quota

[fs/lustre-release.git] / lustre / doc / tunefs.lustre.8

diff --git a/lustre/doc/tunefs.lustre.8 b/lustre/doc/tunefs.lustre.8
index 9993971..a3a5cb5 100644 (file)
--- a/lustre/doc/tunefs.lustre.8
+++ b/lustre/doc/tunefs.lustre.8
@@ -1,5 +1,8 @@
 .\" -*- nroff -*-
-.\" Copyright 2008 by Sun Microsystems, Inc.  All Rights Reserved.
+.\" Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+.\"
+.\" Copyright (c) 2011, Whamcloud, Inc.
+.\"
 .\" This file may be copied under the terms of the GNU Public License, v2.
 .\"
 .TH tunefs.lustre 8 "2008 Mar 15" Lustre "configuration utilities"
@@ -35,6 +38,11 @@ Remove all previous parameter info
 .TP
 .BI \--failnode= nid,...  
 Set the NID(s) of a failover partner. This option can be repeated as desired.
+Cannot be used with --servicenode.
+.TP
+.BI \--servicenode= nid,....
+Set the NID(s) of all service partner. This option treats all nodes as equal
+service nodes. Cannot be used with --failnode.
 .TP
 .BI \--fsname= filesystem_name  
 The Lustre filesystem this service will be part of.  Default is 'lustre'
@@ -49,9 +57,12 @@ completely replaces the existing 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 ldiskfs  are
 OST: \fIerrors=remount-ro,mballoc,extents\fR;
-MGS/MDT: \fIerrors=remount-ro,iopen_nopriv,user_xattr\fR.
+MGS/MDT: \fIerrors=remount-ro,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 \--mgs
 Add a configuration management service to this target
 .TP
@@ -68,12 +79,24 @@ Print less information.
 Print more information.
 .TP
 .BI \--writeconf
-Erase all config logs for the filesystem that this MDT is part of, and
-regenerate them.  This is very dangerous.  All clients and servers should
-be stopped.
-All targets must then be restarted to regenerate the logs.  
+Erase the configuration logs for the filesystem that this server is part of, and regenerate them. This is very dangerous.  All clients must be unmounted and servers for this filesystem should be stopped.  
+All targets (OSTs/MDTs) must then be restarted to regenerate the logs. 
 No clients should be started until all targets have restarted.
-In general this should be executed on the MDT only, not the OSTs.
+.br
+Correct order of operations is:
+.br
+* Unmount all clients of this filesystem
+.br
+* Unmount MDT and all OSTs of this filesystem
+.br
+* Run \fBtunefs.lustre --writeconf <device>\fR on every server
+.br
+* Mount MDT and OSTs
+.br
+* Mount clients
+.TP
+.BI \--quota
+Enable space accounting on old 2.x devices.
 
 .SH EXAMPLES
 .TP