Ajouter script pour OVH-STOR-1-gen2
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OVH-STOR-1-gen2.sh
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OVH-STOR-1-gen2.sh
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#!/bin/bash
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# Exécuté avec succès le 2021-11-09 par abenmiloud sur un serveur OVH STOR-1 Gen 2
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# Le script suppose que :
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# * il y a 2 disques NVMe en RAID logiciel pour le système
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# * il y a 4 disques SATA en RAID logiciel
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# * le serveur démarre en UEFI
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# * on va reconstruire toute la table de partitionnement (GPT) du serveur
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# Enfin un fstab est généré, le raid est configuré, lvm2 est installé,
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# grub et le kernel sont réinstallés.
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# Avant de commencer, consulter les disques pour vérifier les noms
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lsblk
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# Ne pas tout copier-coller d’un coup !
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# Have fun!
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if test -d /sys/firmware/efi; then echo 'UEFI'; else echo 'BIOS, fly you fools'; fi
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export LC_ALL=C
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swapoff -a
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sleep 1
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cd /mnt
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mkdir root_in_ram rootfs home var usr srv
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mount -t tmpfs none /mnt/root_in_ram -o size=90%
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mount /dev/md127 /mnt/rootfs
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sleep 1
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rsync -a /mnt/rootfs/ /mnt/root_in_ram/
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sleep 1
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umount /mnt/rootfs
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mdadm --stop /dev/md127
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sleep 1
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# Create a GPT label
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parted -s /dev/nvme0n1 mklabel gpt
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sleep 1
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# /boot/efi
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parted -a minimal -s /dev/nvme0n1 mkpart ESP fat32 0M 100M
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sleep 1
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parted -s /dev/nvme0n1 set 1 esp on
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sleep 1
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parted -s /dev/nvme0n1 set 1 boot on
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sleep 1
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mkfs.vfat -F32 /dev/nvme0n1p1 >/dev/null
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sleep 1
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# /boot
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 100M 600M
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sleep 1
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parted -s /dev/nvme0n1 set 2 boot on
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sleep 1
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parted -s /dev/nvme0n1 set 2 raid on
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sleep 1
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# /
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 600M 1600M
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sleep 1
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parted -s /dev/nvme0n1 set 3 raid on
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sleep 1
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# /usr
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 1600M 7600M
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sleep 1
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parted -s /dev/nvme0n1 set 4 raid on
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sleep 1
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# swap
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 7600M 8100M
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sleep 1
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parted -s /dev/nvme0n1 set 5 raid on
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sleep 1
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 8100M 8600M
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sleep 1
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parted -s /dev/nvme0n1 set 6 raid on
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sleep 1
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# LVM: /tmp /var /home
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parted -a minimal -s /dev/nvme0n1 mkpart primary ext4 8600M 100%
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sleep 1
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parted -s /dev/nvme0n1 set 7 raid on
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sleep 1
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pvcreate /dev/md7
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vgcreate vg0 /dev/md7
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lvcreate --size 1G --name tmp vg0
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lvcreate --size 5G --name var vg0
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lvcreate --size 10G --name home vg0
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sleep 1
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sgdisk -R=/dev/nvme1n1 /dev/nvme0n1
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sgdisk -G /dev/nvme1n1
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sleep 1
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partprobe /dev/nvme0n1
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partprobe /dev/nvme1n1
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sleep 1
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for part in 2 3 4 5 6 7; do mdadm --create /dev/md"${part}" --metadata=0.90 --level=raid1 --raid-devices=2 /dev/{nvme0n1p,nvme1n1p}"${part}"; done
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sleep 1
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for part in 2 3 4; do mkfs.ext4 /dev/md"${part}"; done
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sleep 1
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mkswap -f /dev/md5
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mkswap -f /dev/md6
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sleep 1
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mkfs.ext4 /dev/mapper/vg0-tmp
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mkfs.ext4 /dev/mapper/vg0-var
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mkfs.ext4 /dev/mapper/vg0-home
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# partie /backup à faire après reboot
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wipefs -a /dev/sd{a,b,c,d}
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sleep 1
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mount /dev/md3 /mnt/rootfs/
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mkdir -p /mnt/rootfs/home && mount /dev/vg0/home /mnt/rootfs/home
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mkdir -p /mnt/rootfs/var && mount /dev/vg0/var /mnt/rootfs/var
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mkdir -p /mnt/rootfs/usr && mount /dev/md4 /mnt/rootfs/usr
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sleep 1
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rsync -a /mnt/root_in_ram/home/ /mnt/rootfs/home/
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rsync -a /mnt/root_in_ram/var/ /mnt/rootfs/var/
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rsync -a /mnt/root_in_ram/usr/ /mnt/rootfs/usr/
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rsync -a --exclude="home/**" --exclude="var/**" --exclude="usr/**" /mnt/root_in_ram/ /mnt/rootfs/
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vi /mnt/rootfs/etc/fstab
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sleep 1
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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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sleep 1
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rm -rf /mnt/rootfs/boot/*
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chroot /mnt/rootfs/ bash
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# BEGIN chroot
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export LC_ALL=C
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mkdir -p /boot && mount /boot
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mkdir -p /boot/efi && mount /dev/nvme0n1p1 /boot/efi
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mount /tmp
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chmod 1777 /tmp
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rm -rf /etc/default/grub.d
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apt purge -y os-prober grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub-pc grub2-common
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for kernel_pkg in $(dpkg -l | grep linux-image | awk '{ print $2 }'); do apt purge -y $kernel_pkg; done
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apt install -y lvm2 grub-common grub-efi grub-efi-amd64 grub-efi-amd64-bin grub2-common linux-image-amd64 cryptsetup
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apt purge -y os-prober
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grub-install /dev/nvme0n1
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apt purge -y os-prober
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update-grub
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# Questions "dpkg-reconfigure grub-efi-amd64" :
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# * Linux command line:
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# * Linux default command line: quiet
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# * Force extra installation to the EFI removable media path? Yes
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# * Update NVRAM variables to automatically boot into Debian? Yes
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dpkg-reconfigure grub-efi-amd64
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dd if=/dev/nvme0n1p1 of=/dev/nvme1n1p1
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# paquets utiles pour evolixisation par Ansible
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apt install -y sudo python3 python3-apt
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exit
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# END chroot
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systemctl reboot
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