Installation GENTOO + RAID sur VMWARE

Transcription

1 Installation GENTOO + RAID sur VMWARE Chargement modules modprobe raid0 modprobe raid1 modprobe dm-mod Partitionnement /dev/sdx1 ext2 32M /dev/sdx2 swap =RAM /dev/sdx3 ext3 reste du disque Pour supprimer un raid existant mdadm --manage --stop /dev/mdx mdadm --zero-superblock /dev/sdyz (si msg d erreur alors c est OK) mdadm --zero-superblock /dev/sdy puis suppression des partitions fdisk /dev/sda sfdisk -d /dev/sda sfdisk --force /dev/sdb (on duplique le partionnement) mknod /dev/md1 b 9 1 mknod /dev/md2 b 9 2 mknod /dev/md3 b 9 3 mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1 mdadm --create /dev/md2 --level=0 --raid-devices=2 /dev/sda2 /dev/sdb2 mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sda3 /dev/sdb3 watch -n 60 cat /proc/mdstat mkfs.ext2 /dev/md1 mkfs.ext3 /dev/md3 mkswap /dev/md2 swapon -p 1 /dev/md2 swapon -v -s Installation des fichiers d installation mount /dev/md3 /mnt/gentoo mkdir /mnt/gentoo/boot mount /dev/md1 /mnt/gentoo/boot

2 date si besoin : date (Format : MMJJhhmmAAAA) cd /mnt/gentoo links tar xvjpf stage3-*.tar.bz2 Options de compilation nano -w /mnt/gentoo/etc/portage/make.conf CFLAGS="-march=native -O2 -pipe" (native = autodectect) MAKEOPTS="-j4" # nombre de cœur x2 mirrorselect -i -o >> /mnt/gentoo/etc/portage/make.conf mirrorselect -i -r -o >> /mnt/gentoo/etc/portage/make.conf Installation du système de base de Gentoo cp -L /etc/resolv.conf /mnt/gentoo/etc/ mount -t proc none /mnt/gentoo/proc mount --rbind /sys /mnt/gentoo/sys mount --rbind /dev /mnt/gentoo/dev chroot /mnt/gentoo /bin/bash env-update source /etc/profile export PS1="(chroot) $PS1" emerge-webrsync emerge --sync eselect profile list exemple : eselect profile set 2 ls /usr/share/zoneinfo cp /usr/share/zoneinfo/europe/paris /etc/localtime Configuration du noyau emerge gentoo-sources ls -l /usr/src/linux cd /usr/src/linux make menuconfig

3 [*] 64-bit kernel (leave blank for x86) General Setup ---> [*] Optimize very unlikely/likely branches Processor type and features ---> Processor Family (usually Core2/Newer Xeon) Device Drivers ---> Generic Driver Options [*] Maintain a devtmpfs filesystem to mount at /dev [*] Multiple devices driver support (RAID and LVM) ---> <*> RAID support [*] Autodetect RAID arrays during kernel boot <*> RAID-0 (striping) mode <*> RAID-1 (mirroring) mode <*> Device mapper support Misc Devices ---> [*] VMware Balloon Driver (manages memory between VM and host) [*] VMware VMCI Driver (Virtual Machine Communication Interface - low-latency access to host memory bus) SCSI device support ---> [*] SCSI low-level drivers ---> <*> VMware PVSCSI driver support (high throughput storage adapter) [*] Fusion MPT device support ---> <*> Fusion MPT ScsiHost drivers for SPI [*] Network device support ---> [*] Ethernet driver support ---> (disable every driver but this) [*] Intel Devices <*> (keep default intel) Graphics support ---> <*> Direct Rendering Manager <*> DRM driver for VMware Virtual GPU [*] Enable framebuffer console support under vmwgfx by default <*> Support for frame buffer devices File systems ---> (enable only those you anticipate using) <*> The Extended 4 (ext4) filesystem [*] Use ext4 for ext2/ext3 file systems [*] Ext4 POSIX ACL [*] Ext4 Security Label -*- Native language support ---> <*> NLS ISO (Latin 9; Western European Languages with Euro) Pseudo filesystems ---> [*] Tmpfs virtual memory file system support (former shm fs) [*] Tmpfs POSIX Access Control Lists make && make modules_install cp arch/x86_64/boot/bzimage /boot/kernel-3.x.y-gentoo emerge genkernel mdadm mdadm --examine --scan >> /etc/mdadm.conf nano /etc/mdadm.conf Editez et simplifiez exemple :

4 ARRAY /dev/md1 UUID=baebaec7:6d25ab9a:a :3ff8487b ARRAY /dev/md2 UUID=f1c2304c:ab04bc3a:19d593b0:b7d7c179 ARRAY /dev/md3 UUID=0d3cce86:1e5a82a9:e53ae32f:9e7eea9d nano /etc/genkernel.conf MDADM="yes" MDADM_CONFIG="/etc/mdadm.conf" genkernel --mdadm --install initramfs ls /boot Configurer le système mkdir /mnt/cdrom nano -w /etc/fstab /dev/md1 /boot ext2 noauto,noatime 1 2 /dev/md3 / ext3 noatime 0 1 /dev/md2 none swap sw 0 0 /dev/cdrom /mnt/cdrom auto noauto,user 0 0 nano -w /etc/conf.d/hostname HOSTNAME="nom_serveur" nano -w /etc/conf.d/net dns_domain="mynet67" config_enp2s0=" x/24" routes_enp2s0="default via " dns_servers=" " cd /etc/init.d ln -s net.lo net.enp2s0 rc-update add net.enp2s0 default nano -w /etc/hosts localhost x SERVx.mynet67 SERVx passwd nano -w /etc/conf.d/keymaps keymap="fr" fix_euro="yes"

5 nano -w /etc/locale.gen fr_fr ISO ISO fr_fr.utf-8 UTF-8 UTF-8 locale-gen nano /etc/env.d/02locale LANG="fr_FR.UTF-8" LC_COLLATE="C" nano /etc/profile.d/alias.sh alias ll='ls -l' alias cp='cp -i' alias rm='rm -i' alias mv='mv -i' alias screen='screen -RD' env-update && source /etc/profile Installer les outils système emerge syslog-ng vixie-cron mlocate rc-update add syslog-ng default rc-update add vixie-cron default rc-update add sshd default Configurer le chargeur de démarrage emerge sys-boot/grub:2 grub2-install /dev/sda grub2-install /dev/sdb nano /etc/default/grub GRUB_CMDLINE_LINUX="domdadm" grub2-mkconfig -o /boot/grub/grub.cfg rm /stage3-*.tar.bz2* emerge gentoolkit

6 exit cd umount -l /mnt/gentoo/dev{/shm,/pts,} umount -l /mnt/gentoo{/boot,/proc,} reboot Réparation du RAID mdadm --zero-superblock /dev/sdbx mdadm a /dev/mdy /dev/sdbx cat /proc/mdstat (pour surveiller la reconstruction) Puis on réécrit le boot sur les deux partitions : grub2-install /dev/sda grub2-install /dev/sdb