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#!/bin/sh |
#!/bin/sh |
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set -x |
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# exec 2>&1 >/tmp/raidconvert.out |
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set -x |
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exec 2>&1 |
exec 2>&1 |
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# let's assume it's a SCSI system |
device=$(sed -n 's|.*[0-9]\s\+\([^ ]\+[^0-9]\)$|\1|p;s#.*[0-9]\s\+\(\(rd\|ida\|cciss\|i2o\)/.*[^0-9p][0-9]\+\)$#\1#p' /proc/partitions | head -1) |
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if grep -q 'sda$' /proc/partitions; then |
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disk=sda |
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else |
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# No SCSI Drives is must be IDE |
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media=`cat /proc/ide/hda/media` |
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if [ $media == "disk" ] ; then |
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disk=hda |
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fi |
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fi |
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set $disk |
if [ -n "$device" ] |
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found=`echo $#` |
then |
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if [ $found -gt "0" ] ; then |
sfdisk -d /dev/$device > /tmp/oldparts |
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# Dump out current partitions |
sed 's/Id=8[32]/Id=fd/' /tmp/oldparts > /tmp/newparts |
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sfdisk -d /dev/$disk > /tmp/oldparts |
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mkdir /mnt/tmp |
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# Check if we have any ext2/3 or swap partitions |
for part in $(awk '/^\/dev\/.*Id=8[23]/{ print $1 }' /tmp/oldparts) |
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if grep -q 'Id=8[23]' /tmp/oldparts; then |
do |
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echo -en "\n\nConverting partitions to RAID..." >/dev/tty3 |
md=/dev/md$(echo $part | sed 's|^.*[^0-9]||') |
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# Convert ext2/3 and swap partitions to raid autodetect |
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sed 's/Id=8[32]/Id=fd/' /tmp/oldparts > /tmp/newparts |
if grep -q "^$part .*Id=83" /tmp/oldparts |
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then |
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# Find swap partition for future checks |
e2fsck -f -C0 $part |
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swap=`grep 'Id=82' /tmp/oldparts | sed "s/$disk\([0-9]\+\) :.*/md\1/"` |
partsize=$(resize2fs -f $part 2>&1| sed -n 's|.* \([0-9]\+\) blocks long.*|\1|p') |
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resize2fs -fp $part $(($partsize-72)) |
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# Loop throught partitions and convert to degraded raid1 |
fi |
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for part in `grep 'Id=8[23]' /tmp/oldparts | sed 's/ :.*//'`; do |
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mdpart=`echo $part | sed "s/$disk\([0-9]\+\)/md\1/"` |
mdadm -C $md -l 1 -n 2 -R $part missing |
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echo "DEVICE $part" >> /tmp/mdadm.conf |
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echo -n "$part..." >/dev/tty3 |
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mdadm --create $mdpart --run --level=1 --raid-devices=2 $part missing |
if grep -q "^$part .*Id=83" /tmp/oldparts |
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if [ "$mdpart" == "$swap" ]; then |
then |
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# Recreate swap partition |
e2fsck -f -C0 $md |
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mkswap $swap |
resize2fs -fp $md |
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else |
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# Resize ext2/3 partitions (fix superblock - part 1) |
mount $md /mnt/tmp |
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resize2fs -f $mdpart |
[ -r /mnt/tmp/etc/fstab ] && root=$md |
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fi |
umount /mnt/tmp |
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done |
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echo "done" >/dev/tty3 |
elif grep -q "^$part .*Id=82" /tmp/oldparts |
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then |
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# Write out new converted partition table |
mkswap $md |
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sfdisk --force /dev/$disk < /tmp/newparts |
fi |
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done |
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echo -e "\nChecking filesystems on converted partitions. This may take a while." >/dev/tty3 |
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echo >> /tmp/mdadm.conf |
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mkdir /mnt/tmp |
mdadm -Es -c /tmp/mdadm.conf >> /tmp/mdadm.conf |
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for part in `grep 'Id=fd' /tmp/newparts | sed "s/$disk\([0-9]\+\) :.*/md\1/"`; do |
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if [ "$part" != "$swap" ]; then |
if [ -n "$root" ] |
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# Resize ext2/3 partitions (fix superblock - part 2) |
then |
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echo -e "\n\nChecking $part..." >/dev/tty3 |
mount $root /mnt/tmp |
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e2fsck -f -C0 $part >/dev/tty3 |
sed -i "s|/dev/$device\([0-9]\+\)|/dev/md\1|" /mnt/tmp/etc/fstab |
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cp /tmp/mdadm.conf /mnt/tmp/etc/mdadm.conf |
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# Check for /etc/fstab on partitions and convert entries |
umount /mnt/tmp |
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mount $part /mnt/tmp |
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if [ -r /mnt/tmp/etc/fstab ]; then |
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cat /mnt/tmp/etc/fstab | sed "s/$disk\([0-9]\+\)/md\1/" \ |
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> /mnt/tmp/etc/fstab.tmp |
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mv /mnt/tmp/etc/fstab.tmp /mnt/tmp/etc/fstab |
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fi |
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umount /mnt/tmp |
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fi |
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done |
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rmdir /mnt/tmp |
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mdadm --stop --scan |
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fi |
fi |
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rmdir /mnt/tmp |
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mdadm --stop --scan |
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sfdisk --force /dev/$device < /tmp/newparts |
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fi |
fi |
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