Add nodes option while creating md

[thirdparty/mdadm.git] / mdadm.8.in

diff --git a/mdadm.8.in b/mdadm.8.in
index 462f70818081673a0f5d84147892b5d8514d7cf1..fed00070384be7440d52edcf8dd526d8d472dac6 100644 (file)
--- a/mdadm.8.in
+++ b/mdadm.8.in
@@ -5,7 +5,7 @@
 .\"   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 8 "" v3.3.1
+.TH MDADM 8 "" v3.3.2
 .SH NAME
 mdadm \- manage MD devices
 .I aka
@@ -214,7 +214,7 @@ to detect and assemble arrays \(em possibly in an
 
 .P
 If a device is given before any options, or if the first option is
-and of
+one of
 .BR \-\-add ,
 .BR \-\-re\-add ,
 .BR \-\-add\-spare ,
@@ -694,7 +694,12 @@ and so is replicated on all devices.  If the word
 .B "none"
 is given with
 .B \-\-grow
-mode, then any bitmap that is present is removed.
+mode, then any bitmap that is present is removed. If the word
+.B "clustered"
+is given, the array is created for a clustered environment. One bitmap
+is created for each node as defined by the
+.B \-\-nodes
+parameter and are stored internally.
 
 To help catch typing errors, the filename must contain at least one
 slash ('/') if it is a real file (not 'internal' or 'none').
@@ -966,6 +971,12 @@ However for RAID0, it is not possible to add spares.  So to increase
 the number of devices in a RAID0, it is necessary to set the new
 number of devices, and to add the new devices, in the same command.
 
+.TP
+.BR \-\-nodes
+Only works when the array is for clustered environment. It specifies
+the maximum number of nodes in the cluster that will use this device
+simultaneously. If not specified, this defaults to 4.
+
 .SH For assemble:
 
 .TP