.TH MDADM.CONF 5
.SH NAME
mdadm.conf \- configuration for management of Software Raid with mdadm
.SH SYNOPSIS
/etc/mdadm.conf
.SH DESCRIPTION
.PP
.B mdadm
is a tools for creating an managing RAID devices using the
.B md
driver in Linux.
.PP
Some common tasks, such as assembling all arrays, can be simplified
by describing the devices and array in this configuations file.

.SS SYNTAX
The file should be seen as a collection of words separated by white
space (space, tab, or newline).
Any word that being with a hash sign (#) starts a comment and that
word together with the remainder of the line are ignored.

Any line that start 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
insensitve and can be abbreviated to 3 characters.

The keywords are:
.TP
.B DEVICE
A
.B device
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.

The
.B device
line may contain a number of different devices (separated by spaces)
and each device name can contain wild cards as defined by
.BR glob (7).

Also, there may be several device lines present in the file.

.TP
.B ARRAY

.SH SEE ALSO
mdadm (8),
md (4).