diff options
Diffstat (limited to 'mdadm.conf.5')
| -rw-r--r-- | mdadm.conf.5 | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/mdadm.conf.5 b/mdadm.conf.5 index f8c0e34..72717e7 100644 --- a/mdadm.conf.5 +++ b/mdadm.conf.5 @@ -11,7 +11,7 @@ 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 configuation file. +by describing the devices and array in this configuration file. .SS SYNTAX The file should be seen as a collection of words separated by white @@ -24,7 +24,7 @@ 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. +insensitive and can be abbreviated to 3 characters. The keywords are: .TP @@ -59,7 +59,8 @@ The ARRAY lines identify actual arrays. The second word on the line should be the name of the device where the array is normally assembled, such as .BR /dev/md1 . -Subsequent words identify the array. If multiple identities are given, +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: @@ -95,7 +96,52 @@ The value is the number of disks in a complete active array. As with this is mainly for compatibility with the output of .BR "mdadm --examine --scan" . + +.TP +.B spare-group= +The value is a textual name for a group of arrays. All arrays with +the same +.B spare-group +name are considered to be part of the same group. The significance of +a group of arrays is that +.B mdadm +will, when monitoring the arrays, move a spare drive from one array in +a group to another array in that group if the first array had a failed +or missing drive but no spare. .RE + +.TP +.B MAILADDR +The +.B mailaddr +line gives an E-mail address that alerts should be +sent to when +.M mdadm +is running in +.B --monitor +mode (and was given the +.B --scan +option). There should only be one +.B MAILADDR +line and it should have only one address. + + +.TP +.B PROGRAM +The +.B program +line gives the name of a program to be run when +.B "mdadm --monitor" +detects potentially interesting events on any of the arrays that it +is monitoring. This program gets run with two or three arguments, they +being the Event, the md device, and possibly the related component +device. + +There should only be one +.B program +line and it should be give only one program. + + .SH SEE ALSO .BR mdadm (8), .BR md (4). |