diff options
Diffstat (limited to 'mdadm.conf.man')
| -rw-r--r-- | mdadm.conf.man | 75 |
1 files changed, 55 insertions, 20 deletions
diff --git a/mdadm.conf.man b/mdadm.conf.man index 37d7585..70ac49a 100644 --- a/mdadm.conf.man +++ b/mdadm.conf.man @@ -15,7 +15,7 @@ DDEESSCCRRIIPPTTIIOONN Some common tasks, such as assembling all arrays, can be simplified by describing the devices and array in this - configuation file. + configuration file. SSYYNNTTAAXX @@ -30,7 +30,7 @@ DDEESSCCRRIIPPTTIIOONN Empty lines are ignored, but otherwise each (non continua- tion) line must start with a keyword as listed below. The - key words are case insensitve and can be abbreviated to 3 + key words are case insensitive and can be abbreviated to 3 characters. The keywords are: @@ -57,46 +57,81 @@ DDEESSCCRRIIPPTTIIOONN AARRRRAAYY 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 - //ddeevv//mmdd11. Subsequent words identify the array. 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 + //ddeevv//mmdd11. Subsequent words identify the array, or + identify the array as a member of a group. If mul- + tiple 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: uuuuiidd== The value should be a 128 bit uuid in hexadeci- - mal, with punctuation interspersed if desired. - This must match the uuid stored in the + mal, with punctuation interspersed if desired. + This must match the uuid stored in the superblock. ssuuppeerr--mmiinnoorr== - The value is an integer which indicates the - minor number that was stored in the superblock - when the array was created. When an array is + The value is an integer which indicates the + minor number that was stored in the superblock + when the array was created. When an array is created as /dev/mdX, then the minor number X is stored. ddeevviicceess== - The value is a comma separated list of device - names. Precisely these devices will be used to - assemble the array. Note that the devices - listed there must also be listed on a DEVICE + The value is a comma separated list of device + names. Precisely these devices will be used to + assemble the array. Note that the devices + listed there must also be listed on a DEVICE line. - lleevveell== The value is a raid level. This is not nor- - mally used to identify an array, but is sup- + lleevveell== The value is a raid level. This is not nor- + mally used to identify an array, but is sup- ported so that the output of mmddaaddmm ----eexxaammiinnee ----ssccaann - can be use directly in the configuration file. + can be use directly in the configuration file. - ddiisskkss== The value is the number of disks in a complete - active array. As with lleevveell== this is mainly + ddiisskkss== The value is the number of disks in a complete + active array. As with lleevveell== this is mainly for compatibility with the output of mmddaaddmm ----eexxaammiinnee ----ssccaann. + + ssppaarree--ggrroouupp== + The value is a textual name for a group of + arrays. All arrays with the same ssppaarree--ggrroouupp + name are considered to be part of the same + group. The significance of a group of arrays + is that mmddaaddmm 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. + + + MMAAIILLAADDDDRR + The mmaaiillaaddddrr line gives an E-mail address that + alerts should be sent to when is running in ----mmoonnii-- + ttoorr mode (and was given the ----ssccaann option). There + should only be one MMAAIILLAADDDDRR line and it should have + only one address. + + + + PPRROOGGRRAAMM + The pprrooggrraamm line gives the name of a program to be + run when mmddaaddmm ----mmoonniittoorr detects potentially inter- + esting events on any of the arrays that it is moni- + toring. 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 pprrooggrraamm line and it should + be give only one program. + + + SSEEEE AALLSSOO mmddaaddmm(8), mmdd(4). |