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emyl/xs_raid_step1.sh

Last active December 27, 2015 18:49
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RAID setup for Citrix Xenserver 6.x
Raw
xs_raid_step1.sh
#!/bin/bash
echo "o
Y
n
1
2048
8388641
FD00
n
2
8390656
16777249
FD00
n
3
16779264
488397134
FD00
w
Y
" | gdisk /dev/sdb
reboot
Raw
xs_raid_step2.sh
#!/bin/bash
VG=`basename /dev/mapper/VG_XenStorage*`
VG=${VG:0:${#VG}-4}
VG=${VG//--/-}
mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sdb1 missing
mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sdb2 missing
mdadm --create /dev/md2 --level=1 --raid-devices=2 /dev/sdb3 missing
pvcreate -ff /dev/md2
vgextend $VG /dev/md2
pvmove /dev/sda3 /dev/md2
vgreduce $VG /dev/sda3
pvremove /dev/sda3
umount /mnt
mkfs.ext3 /dev/md0
mount /dev/md0 /mnt
cd /
cp -ax . /mnt
sed -i '1 s/^LABEL.*\//\/dev\/md0 \//' /mnt/etc/fstab
mkdir /mnt/root/initrd-raid
mkinitrd -v --fstab=/mnt/etc/fstab /mnt/root/initrd-raid/initrd-`uname -r`-raid.img `uname -r`
cd /mnt/root/initrd-raid
zcat initrd-`uname -r`-raid.img | cpio -i
sed -i '/raidautorun \/dev\/md0/ a\
raidautorun /dev/md1' /mnt/root/initrd-raid/init
sed -i '/raidautorun \/dev\/md1/ a\
raidautorun /dev/md2' /mnt/root/initrd-raid/init
find . -print | cpio -o -Hnewc | gzip -c > /mnt/boot/initrd-`uname -r`-raid.img
rm -f /mnt/boot/initrd-2.6-xen.img
ln -s initrd-`uname -r`-raid.img /mnt/boot/initrd-2.6-xen.img
sed -i 's/root=[^ ]*/root=\/dev\/md0/g' /mnt/boot/extlinux.conf
cat /mnt/usr/share/syslinux/gptmbr.bin > /dev/sdb
cd /mnt
extlinux --raid -i boot/
cd
umount /dev/md0
sync
sgdisk /dev/sda --attributes=1:set:2
sgdisk /dev/sdb --attributes=1:set:2
echo ""
echo "IMPORTANTE!!"
echo "Al momento del riavvio, impostare sul BIOS il disco secondario come disco di boot."
read -p "Premere [Invio] per riavviare..."
reboot
Raw
xs_raid_step3.sh
#!/bin/bash
echo "t
1
FD00
t
2
FD00
t
3
FD00
w
Y
" | gdisk /dev/sda
sleep 5
mdadm -a /dev/md0 /dev/sda1
mdadm -a /dev/md1 /dev/sda2
mdadm -a /dev/md2 /dev/sda3
echo "FINISHED! Check out /proc/mdstat for RAID sync status!"
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