Makefile: install mdadm-grow-continue@.service

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

diff --git a/mdadm.conf.5 b/mdadm.conf.5
index 4ff0a24378c9f1a361d16fe42992fba6decd4c0a..61267b6186e242fa5fdba0a373ddbfa2d16aa964 100644 (file)
--- a/mdadm.conf.5
+++ b/mdadm.conf.5
@@ -148,11 +148,11 @@ created as /dev/mdX, then the minor number X is stored.
 The value is a comma separated list of device names or device name
 patterns.
 Only devices with names which match one entry in the list will be used
-to assemble the array.  Note that the devices 
+to assemble the array.  Note that the devices
 listed there must also be listed on a DEVICE line.
 .TP
 .B level=
-The value is a raid level.  This is not normally used to
+The value is a RAID level.  This is not normally used to
 identify an array, but is supported so that the output of
 
 .B "mdadm \-\-examine \-\-scan"
@@ -256,8 +256,8 @@ mode (and was given the
 .B \-\-scan
 option).  There should only be one
 .B MAILADDR
-line and it should have only one address.
-
+line and it should have only one address.  Any subsequent addresses
+are silently ignored.
 
 .TP
 .B MAILFROM
@@ -339,6 +339,32 @@ or
 Give
 .B symlinks=no
 to suppress this symlink creation.
+
+.TP
+.B names=yes
+Since Linux 2.6.29 it has been possible to create
+.B md
+devices with a name like
+.B md_home
+rather than just a number, like
+.BR md3 .
+.I mdadm
+will use the numeric alternative by default as other tools that interact
+with md arrays may expect only numbers.
+If
+.B names=yes
+is given in
+.I mdadm.conf
+then
+.I mdadm
+will use a name when appropriate.
+If
+.B names=no
+is given, then non-numeric
+.I md
+device names will not be used even if the default changes in a future
+release of
+.IR mdadm .
 .RE
 
 .TP
@@ -371,7 +397,9 @@ is given it is also possible to give an explicit name which will be
 used when creating arrays.  This is the only case when there can be
 more that one other word on the
 .B HOMEHOST
-line.
+line.  If there are other words, or other
+.B HOMEHOST
+lines, they are silently ignored.
 
 If
 .B <none>
@@ -435,9 +463,14 @@ The known metadata types are
 .BR ddf ,
 .BR imsm .
 
+.B AUTO
+should be given at most once.  Subsequent lines are silently ignored.
+Thus an earlier config file in a config directory will over-ride
+the setting in a later config file.
+
 .TP
 .B POLICY
-This is used to specify what automatic behavior is allowed on devices 
+This is used to specify what automatic behavior is allowed on devices
 newly appearing in the system and provides a way of marking spares that can
 be moved to other arrays as well as the migration domains.
 .I Domain
@@ -449,7 +482,7 @@ A device may belong to several domains. The domain of an array is a union
 of domains of all devices in that array.  A spare can be automatically
 moved from one array to another if the set of the destination array's
 .I domains
-ppcontains all the
+contains all the
 .I domains
 of the new disk or if both arrays have the same
 .IR spare-group .
@@ -475,13 +508,14 @@ file glob matching anything from
 .B /dev/disk/by-path
 .TP
 .B type=
-either 
+either
 .B disk
 or
 .BR part .
 .TP
 .B action=
 include, re-add, spare, spare-same-slot, or force-spare
+.TP
 .B auto=
 yes, no, or homehost.
 
@@ -595,4 +629,3 @@ AUTO +1.x homehost \-all
 .SH SEE ALSO
 .BR mdadm (8),
 .BR md (4).
-