From 2d46552003d8e84dee1bfd9cac4a1426392b64e3 Mon Sep 17 00:00:00 2001 From: Neil Brown Date: Fri, 10 May 2002 04:06:19 +0000 Subject: mdadm-1.0.0 --- mdadm.conf.5 | 51 +++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 43 insertions(+), 8 deletions(-) (limited to 'mdadm.conf.5') diff --git a/mdadm.conf.5 b/mdadm.conf.5 index e45ad8c..e11f9d5 100644 --- a/mdadm.conf.5 +++ b/mdadm.conf.5 @@ -11,19 +11,19 @@ is a tool for creating, managing, and monitoring RAID devices using the driver in Linux. .PP Some common tasks, such as assembling all arrays, can be simplified -by describing the devices and array in this configuration file. +by describing the devices and arrays in this configuration file. .SS SYNTAX The file should be seen as a collection of words separated by white space (space, tab, or newline). Any word that beings with a hash sign (#) starts a comment and that -word together with the remainder of the line are ignored. +word together with the remainder of the line is ignored. -Any line that start with white space (space or tab) is treated as +Any line that starts with white space (space or tab) is treated as though it were a continuation of the previous line. Empty lines are ignored, but otherwise each (non continuation) line -must start with a keyword as listed below. The key words are case +must start with a keyword as listed below. The keywords are case insensitive and can be abbreviated to 3 characters. The keywords are: @@ -35,7 +35,7 @@ line lists the devices (whole devices or partitions) that might contain a component of an MD array. When looking for the components of an array, .B mdadm -will scan these devices and no others. +will scan these devices (or any devices listed on the command line). The .B device @@ -61,9 +61,9 @@ assembled, such as .BR /dev/md1 . Subsequent words identify the array, or identify the array as a member of a group. If multiple identities are given, -then the array must match ALL identities to be considered a match. -Each identity word has a tag, and equals sign, and some value. -The options are: +then a component device must match ALL identities to be considered a +match. Each identity word has a tag, and equals sign, and some value. +The tags are: .RS 4 .TP @@ -141,6 +141,41 @@ There should only be one .B program line and it should be give only one program. +.SH EXAMPLE +DEVICE /dev/sd[bcdjkl]1 +.br +DEVICE /dev/hda1 /dev/hdb1 + +# /dev/md0 is known by it's UID. +.br +ARRAY /dev/md0 UUID=3aaa0122:29827cfa:5331ad66:ca767371 +.br +# /dev/md1 contains all devices with a minor number of +.br +# 1 in the superblock. +.br +ARRAY /dev/md1 superminor=1 +.br +# /dev/md2 is made from precisey these two devices +.br +ARRAY /dev/md2 devices=/dev/hda1,/dev/hda2 + +# /dev/md4 and /dev/md5 are a spare-group and spares +.br +# can be moved between them +.br +ARRAY /dev/md4 uuid=b23f3c6d:aec43a9f:fd65db85:369432df +.br + spare-group=group1 +.br +ARRAY /dev/md5 uuid=19464854:03f71b1b:e0df2edd:246cc977 +.br + spare-group=group1 + +MAILADDR root@mydomain.tld +.br +PROGRAM /usr/sbin/handle-mdadm-events + .SH SEE ALSO .BR mdadm (8), -- cgit