https://gist.github.com/1369428 (this patch)
https://gist.github.com/1369424 (standalone test script)
--- /lib/initcpio/hooks/mdadm 2011-09-14 04:10:48.000000000 -0300
+++ hooks/mdadm 2011-11-16 03:32:30.064535002 -0300
@@ -6,7 +6,7 @@
# for partitionable raid, we need to load md_mod first!
modprobe md_mod 2>/dev/null
# If md is specified on commandline, create config file from those
parameters.
- if [ "$(echo $input | grep "md=")" ]; then
+ if [ -n "${md}" ]; then
#Create initial mdadm.conf
# scan all devices in /proc/partitions
echo DEVICE partitions > $mdconfig
@@ -14,26 +14,30 @@
case $i in
# raid
md=[0-9]*,/*)
- device="$(echo "$i" | sed -e 's|,/.*||g' -e 's|=||g')"
- array="$(echo $i | cut -d, -f2-)"
+ device="${i%%,*}"
+ device="${device/=/}"
+ array="${i#*,}"
echo "ARRAY /dev/$device devices=$array" >> $mdconfig
;;
# partitionable raid
md=d[0-9]*,/*)
- device="$(echo "$i" | sed -e 's|,/.*||g' -e 's|=|_|g')"
- array="$(echo $i | cut -d, -f2-)"
+ device="${i%%,*}"
+ device="${device/=/_}"
+ array="${i#*,}"
echo "ARRAY /dev/$device devices=$array" >> $mdconfig
;;
# raid UUID
- md=[0-9]*,[0-9,a-z]*)
- device="$(echo "$i" | sed -e 's|,.*||g' -e 's|=||g')"
- array="$(echo $i | cut -d, -f2-)"
+ md=[0-9]*,[0-9,a-f]*)
+ device="${i%%,*}"
+ device="${device/=/}"
+ array="${i#*,}"
echo "ARRAY /dev/$device UUID=$array" >> $mdconfig
;;
# partitionable raid UUID
- md=d[0-9]*,[0-9,a-z]*)
- device="$(echo "$i" | sed -e 's|,.*||g' -e 's|=|_|g')"
- array="$(echo $i | cut -d, -f2-)"
+ md=d[0-9]*,[0-9,a-f]*)
+ device="${i%%,*}"
+ device="${device/=/_}"
+ array="${i#*,}"
echo "ARRAY /dev/$device UUID=$array" >> $mdconfig
;;
esac
--
Gerardo Exequiel Pozzi
\cos^2\alpha + \sin^2\alpha = 1
