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#!/bin/bash
build() {
add_checked_modules -f 'dm-' 'drivers/md/*'
# check if a custom mdadm.conf exists
if grep -q ^ARRAY /etc/mdadm.conf; then
echo "Custom /etc/mdadm.conf file will be used in initramfs for assembling arrays."
add_file "/etc/mdadm.conf"
fi
add_binary "/usr/bin/mdassemble"
add_file "/usr/lib/udev/rules.d/63-md-raid-arrays.rules"
add_runscript
}
help() {
cat <<HELPEOF
This hook loads the necessary modules for any raid root device,
and assembles the raid device when run.
If arrays are defined in /etc/mdadm.conf, the file will be used instead
of command line assembling.
Command Line Setup:
- for raid arrays with persistent superblocks:
md=<md device no.>,dev0,dev1,...,devn
md=<md device no.>,uuid
- for partitionable raid arrays with persistent superblocks:
md=d<md device no.>,dev0,dev1,...,devn
md=d<md device no.>,uuid
Parameters:
- <md device no.> = the number of the md device:
0 means md0, 1 means md1, ...
- <dev0-devn>: e.g. /dev/hda1,/dev/hdc1,/dev/sda1,/dev/sdb1
or 0900878d:f95f6057:c39a36e9:55efa60a
Examples:
- md=d0,/dev/sda3,/dev/sda4 md=d1,/dev/hda1,/dev/hdb1
This will setup 2 md partitionable arrays.
- md=0,/dev/sda3,/dev/sda4 md=1,/dev/hda1,/dev/hdb1
This will setup 2 md arrays with persistent superblocks.
HELPEOF
}
# vim: set ft=sh ts=4 sw=4 et:
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