1 |
#!/bin/sh |
2 |
set -x |
3 |
|
4 |
# exec 2>&1 >/tmp/raidconvert.out |
5 |
|
6 |
exec 2>&1 |
7 |
|
8 |
# let's assume it's a SCSI system |
9 |
if grep -q 'sda$' /proc/partitions; then |
10 |
disk=sda |
11 |
else |
12 |
# No SCSI Drives is must be IDE |
13 |
media=`cat /proc/ide/hda/media` |
14 |
if [ $media == "disk" ] ; then |
15 |
disk=hda |
16 |
fi |
17 |
fi |
18 |
|
19 |
set $disk |
20 |
found=`echo $#` |
21 |
if [ $found -gt "0" ] ; then |
22 |
# Dump out current partitions |
23 |
sfdisk -d /dev/$disk > /tmp/oldparts |
24 |
|
25 |
# Check if we have any ext2/3 or swap partitions |
26 |
if grep -q 'Id=8[23]' /tmp/oldparts; then |
27 |
echo -en "\n\nConverting partitions to RAID..." >/dev/tty3 |
28 |
# Convert ext2/3 and swap partitions to raid autodetect |
29 |
sed 's/Id=8[32]/Id=fd/' /tmp/oldparts > /tmp/newparts |
30 |
|
31 |
# Find swap partition for future checks |
32 |
swap=`grep 'Id=82' /tmp/oldparts | sed "s/$disk\([0-9]\+\) :.*/md\1/"` |
33 |
|
34 |
# Loop throught partitions and convert to degraded raid1 |
35 |
for part in `grep 'Id=8[23]' /tmp/oldparts | sed 's/ :.*//'`; do |
36 |
mdpart=`echo $part | sed "s/$disk\([0-9]\+\)/md\1/"` |
37 |
|
38 |
echo -n "$part..." >/dev/tty3 |
39 |
mdadm --create $mdpart --run --level=1 --raid-devices=2 $part missing |
40 |
if [ "$mdpart" == "$swap" ]; then |
41 |
# Recreate swap partition |
42 |
mkswap $swap |
43 |
else |
44 |
# Resize ext2/3 partitions (fix superblock - part 1) |
45 |
resize2fs -f $mdpart |
46 |
fi |
47 |
done |
48 |
|
49 |
echo "done" >/dev/tty3 |
50 |
|
51 |
# Write out new converted partition table |
52 |
sfdisk --force /dev/$disk < /tmp/newparts |
53 |
|
54 |
echo -e "\nChecking filesystems on converted partitions. This may take a while." >/dev/tty3 |
55 |
|
56 |
mkdir /mnt/tmp |
57 |
for part in `grep 'Id=fd' /tmp/newparts | sed "s/$disk\([0-9]\+\) :.*/md\1/"`; do |
58 |
if [ "$part" != "$swap" ]; then |
59 |
# Resize ext2/3 partitions (fix superblock - part 2) |
60 |
echo -e "\n\nChecking $part..." >/dev/tty3 |
61 |
e2fsck -f -C0 $part >/dev/tty3 |
62 |
|
63 |
# Check for /etc/fstab on partitions and convert entries |
64 |
mount $part /mnt/tmp |
65 |
if [ -r /mnt/tmp/etc/fstab ]; then |
66 |
cat /mnt/tmp/etc/fstab | sed "s/$disk\([0-9]\+\)/md\1/" \ |
67 |
> /mnt/tmp/etc/fstab.tmp |
68 |
mv /mnt/tmp/etc/fstab.tmp /mnt/tmp/etc/fstab |
69 |
fi |
70 |
umount /mnt/tmp |
71 |
fi |
72 |
done |
73 |
rmdir /mnt/tmp |
74 |
mdadm --stop --scan |
75 |
fi |
76 |
fi |