125 lines
3.6 KiB
Bash
125 lines
3.6 KiB
Bash
#!/bin/bash
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set -o errexit
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set -o pipefail
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set -o nounset
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set -x
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# Le script suppose que / est sur /boot est sur /dev/md2, / est sur
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# /dev/md3 et que /home est sur /dev/md4
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# Enfin un fstab est généré, lvm2 est installé, grub et le kernel
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# sont réinstallés.
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export LC_ALL=C
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swapoff -a
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cd /mnt
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mkdir -p root_in_ram rootfs home var usr log
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mount -t tmpfs none /mnt/root_in_ram -o size=90%
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mount /dev/md3 /mnt/rootfs/
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rsync -a /mnt/rootfs/ /mnt/root_in_ram/
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umount /mnt/rootfs
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# Change LABEL for /boot, yeah 2 times, IDK why but the first time is not applied Oo
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mdadm --stop /dev/md4
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mdadm --stop /dev/md3
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tune2fs -LBOOT /dev/md2 && tune2fs -LBOOT /dev/md2
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# Check if label is BOOT
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wipefs /dev/md2
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mdadm --stop /dev/md2
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parted -s /dev/sda rm 5
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parted -s /dev/sda rm 4
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parted -s /dev/sda rm 3
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# /
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parted -a optimal -s /dev/sda mkpart primary ext4 1073M 2073M
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sleep 2
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parted -s /dev/sda set 3 raid on
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# /var
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parted -a minimal -s /dev/sda mkpart primary ext4 2073M 12073M
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sleep 2
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parted -s /dev/sda set 4 raid on
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# /usr
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parted -a minimal -s /dev/sda mkpart primary ext4 12073M 17073M
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sleep 2
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parted -s /dev/sda set 5 raid on
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# LVM
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parted -a minimal -s /dev/sda mkpart primary ext4 17073M 100%
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parted -s /dev/sda set 6 raid on
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sleep 2
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partprobe /dev/sda
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for disk in {b,c,d,e,f}; do
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sgdisk -R=/dev/sd${disk} /dev/sda
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sgdisk -G /dev/sd${disk}
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partprobe /dev/sd${disk}
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done
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mdadm --assemble /dev/md2 /dev/{sda,sdb,sdc,sdd,sde,sdf}2
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# RAID1 for systems.
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# Metadata 0.90 as some OVH kernel need it to boot.
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for part in {3,4,5}; do
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mdadm --create /dev/md${part} --metadata=0.90 --level=raid1 --raid-devices=6 /dev/{sda,sdb,sdc,sdd,sde,sdf}${part}
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done
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# No need for LVM part to have metadata 0.90.
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mdadm --create /dev/md/b6 --level=5 --raid-devices=3 /dev/sd{a,b,c}6
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mdadm --create /dev/md/c6 --level=5 --raid-devices=3 /dev/sd{d,e,f}6
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mdadm --create /dev/md/a6 --level=0 --raid-devices=2 /dev/md/b6 /dev/md/c6
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mkfs.ext4 -LROOTFS /dev/md3 >/dev/null
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mkfs.ext4 -LVAR /dev/md4 >/dev/null
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mkfs.ext4 -LUSR /dev/md5 >/dev/null
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# Add LVM with a VG for all of the free space.
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pvcreate /dev/md125
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vgcreate vg0 /dev/md125
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lvcreate --size 1G --name tmp vg0
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mkfs.ext4 -LTMP /dev/mapper/vg0-tmp >/dev/null
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lvcreate --size 512M --name swap1 vg0
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lvcreate --size 512M --name swap2 vg0
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mkswap -f -LSWAP1 /dev/mapper/vg0-swap1
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mkswap -f -LSWAP2 /dev/mapper/vg0-swap2
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lvcreate --size 10G --name home vg0
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mkfs.ext4 -LHOME /dev/mapper/vg0-home >/dev/null
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lvcreate --extents 95%FREE --name backup vg0
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mkfs.btrfs -LBACKUP /dev/vg0/backup
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# Copy data from RAM.
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mount -LROOTFS rootfs
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mount -LHOME home
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mount -LVAR var
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mount -LUSR usr
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rsync -a root_in_ram/home/ home/
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rsync -a root_in_ram/var/ var/
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rsync -a root_in_ram/usr/ usr/
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rsync -a \
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--exclude="home/**" \
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--exclude="var/**" \
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--exclude="usr/**" \
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root_in_ram/ rootfs/
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umount home var usr
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# Generate fstab.
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cat <<EOT>rootfs/etc/fstab
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LABEL=ROOTFS / ext4 errors=remount-ro 0 1
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LABEL=BOOT /boot ext4 defaults 0 2
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LABEL=EFI_SYSPART /boot/efi vfat defaults 0 2
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LABEL=HOME /home ext4 defaults 0 2
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LABEL=TMP /tmp ext4 defaults 0 2
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LABEL=USR /usr ext4 defaults 0 2
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LABEL=VAR /var ext4 defaults 0 2
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#LABEL=BACKUP /backup btrfs defaults 0 2
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LABEL=SWAP1 none swap sw 0 0
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LABEL=SWAP2 none swap sw 0 0
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EOT
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mount -t proc none /mnt/rootfs/proc
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mount -o bind /dev /mnt/rootfs/dev
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mount -o bind /dev/pts /mnt/rootfs/dev/pts
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mount -t sysfs sys /mnt/rootfs/sys
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mount --bind /run /mnt/rootfs/run
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rm -rf /mnt/rootfs/boot/*
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# Chroot and install lvm2 + reconfigure grub-pc
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echo "Evolix partitioning done... Follow instrutions in projet6140(8) then reboot!"
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