Increase raid456 stripe cache size if needed to --grow the array.

[thirdparty/mdadm.git] / mdadm.conf.5

diff --git a/mdadm.conf.5 b/mdadm.conf.5
index b9beffa12cb4e40f05919e7139fe4b6642d05c69..f2cb35f4b045e960df42007617260de6ef6ca90f 100644 (file)
--- a/mdadm.conf.5
+++ b/mdadm.conf.5
@@ -1,3 +1,9 @@
+''' Copyright Neil Brown and others.
+'''   This program is free software; you can redistribute it and/or modify
+'''   it under the terms of the GNU General Public License as published by
+'''   the Free Software Foundation; either version 2 of the License, or
+'''   (at your option) any later version.
+''' See file COPYING in distribution for details.
 .TH MDADM.CONF 5
 .SH NAME
 mdadm.conf \- configuration for management of Software Raid with mdadm
@@ -126,6 +132,17 @@ this is mainly for compatibility with the output of
 
 .BR "mdadm --examine --scan" .
 
+.TP
+.B spares=
+The value is a number of spare devices to expect the array to have.
+.I mdadm --monitor
+will report an array if it is found to have fewer than this number of
+spares when
+.B --monitor
+starts or when
+.B --oneshot
+is used.
+
 .TP
 .B spare-group=
 The value is a textual name for a group of arrays.  All arrays with
@@ -165,6 +182,13 @@ driver as the bitmap file.  This has the same function as the
 .B --bitmap-file
 option to
 .BR --assemble .
+
+.TP
+.B metadata=
+Specify the metadata format that the array has.  This is mainly
+recognised for comparability with the output of
+.IR "mdadm -Es" .
+
 .RE
 
 .TP
@@ -217,7 +241,7 @@ line and it should be give only one program.
 .B CREATE
 The
 .B create
-line gives default values to be used when creating device entries for
+line gives default values to be used when creating arrays and device entries for
 arrays.
 These include:
 
@@ -244,6 +268,25 @@ flag to mdadm.  Give
 - possibly followed by a number of partitions - to indicate how
 missing device entries should be created.
 
+.TP
+.B metadata=
+The name of the metadata format to use if none is explicitly given.
+This can be useful to impose a system-wide default of version-1 superblocks.
+
+.TP
+.B symlinks=no
+Normally when creating devices in
+.B /dev/md/
+.I mdadm
+will create a matching symlink from
+.B /dev/
+with a name starting
+.B md
+or
+.BR md_ .
+Give
+.B symlinked=no
+to suppress this symlink creation.
 .RE