cdrom.image/updates/raidconvert

#!/bin/sh

set -x
exec 2>&1 

device=$(sed -n 's|.*[0-9]\s\+\([^ ]\+[^0-9]\)$|\1|p;s#.*[0-9]\s\+\(\(rd\|ida\|cciss\|i2o\)/.*[^0-9p][0-9]\+\)$#\1#p' /proc/partitions | head -1)

if [ -n "$device" ]
then
    sfdisk -d /dev/$device > /tmp/oldparts
    sed 's/Id=8[32]/Id=fd/' /tmp/oldparts > /tmp/newparts

    mkdir /mnt/tmp
    for part in $(awk '/^\/dev\/.*Id=8[23]/{ print $1 }' /tmp/oldparts)
    do
        md=/dev/md$(echo $part | sed 's|^.*[^0-9]||')

        if grep -q "^$part .*Id=83" /tmp/oldparts
        then
            e2fsck -f -C0 $part
            partsize=$(resize2fs -f $part 2>&1| sed -n 's|.* \([0-9]\+\) blocks long.*|\1|p')
            resize2fs -fp $part $(($partsize-72))
        fi

        mdadm -C $md -l 1 -n 2 -R $part missing
        echo "DEVICE $part" >> /tmp/mdadm.conf

        if grep -q "^$part .*Id=83" /tmp/oldparts
        then
            e2fsck -f -C0 $md
            resize2fs -fp $md

            mount $md /mnt/tmp
            [ -r /mnt/tmp/etc/fstab ] && root=$md
            umount /mnt/tmp


        elif grep -q "^$part .*Id=82" /tmp/oldparts
        then
            mkswap $md
        fi
    done

    echo >> /tmp/mdadm.conf
    mdadm -Es -c /tmp/mdadm.conf >> /tmp/mdadm.conf

    if [ -n "$root" ]
    then
        mount $root /mnt/tmp
        sed -i "s|/dev/$device\([0-9]\+\)|/dev/md\1|" /mnt/tmp/etc/fstab
        cp /tmp/mdadm.conf /mnt/tmp/etc/mdadm.conf
        umount /mnt/tmp
    fi
    rmdir /mnt/tmp

    mdadm --stop --scan

    sfdisk --force /dev/$device < /tmp/newparts
fi
1	#!/bin/sh
2
3	set -x
4	exec 2>&1
5
6	device=$(sed -n 's\|.[0-9]\s\+\([^ ]\+[^0-9]\)$\|\1\|p;s#.[0-9]\s\+\(\(rd\\|ida\\|cciss\\|i2o\)/.*[^0-9p][0-9]\+\)$#\1#p' /proc/partitions \| head -1)
7
8	if [ -n "$device" ]
9	then
10	sfdisk -d /dev/$device > /tmp/oldparts
11	sed 's/Id=8[32]/Id=fd/' /tmp/oldparts > /tmp/newparts
12
13	mkdir /mnt/tmp
14	for part in $(awk '/^\/dev\/.*Id=8[23]/{ print $1 }' /tmp/oldparts)
15	do
16	md=/dev/md$(echo $part \| sed 's\|^.*[^0-9]\|\|')
17
18	if grep -q "^$part .*Id=83" /tmp/oldparts
19	then
20	e2fsck -f -C0 $part
21	partsize=$(resize2fs -f $part 2>&1\| sed -n 's\|.* \([0-9]\+\) blocks long.*\|\1\|p')
22	resize2fs -fp $part $(($partsize-72))
23	fi
24
25	mdadm -C $md -l 1 -n 2 -R $part missing
26	echo "DEVICE $part" >> /tmp/mdadm.conf
27
28	if grep -q "^$part .*Id=83" /tmp/oldparts
29	then
30	e2fsck -f -C0 $md
31	resize2fs -fp $md
32
33	mount $md /mnt/tmp
34	[ -r /mnt/tmp/etc/fstab ] && root=$md
35	umount /mnt/tmp
36
37
38	elif grep -q "^$part .*Id=82" /tmp/oldparts
39	then
40	mkswap $md
41	fi
42	done
43
44	echo >> /tmp/mdadm.conf
45	mdadm -Es -c /tmp/mdadm.conf >> /tmp/mdadm.conf
46
47	if [ -n "$root" ]
48	then
49	mount $root /mnt/tmp
50	sed -i "s\|/dev/$device\([0-9]\+\)\|/dev/md\1\|" /mnt/tmp/etc/fstab
51	cp /tmp/mdadm.conf /mnt/tmp/etc/mdadm.conf
52	umount /mnt/tmp
53	fi
54	rmdir /mnt/tmp
55
56	mdadm --stop --scan
57
58	sfdisk --force /dev/$device < /tmp/newparts
59	fi