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Установка freebsd 10 на zfs зеркало из двух дисков - новости - ServerСlub

10 октября 2014 г. Просмотров: 6357 RSS 23 , , ,

Не более чем заметка, дабы вновь не писать.

Оговориться стоит лишь о том, что в моем случае на сервере только 2Гб ОЗУ и для этого добавлено vfs.zfs.prefetch_disable=0 в loader.conf

Итак, скрипт:

sysctl kern.geom.debugflags=0x10
kldload zfs
gpart destroy -F /dev/ada0
gpart destroy -F /dev/ada1
gpart create -s GPT /dev/ada0
gpart create -s GPT /dev/ada1
gpart add -b 34 -s 64k -t freebsd-boot /dev/ada0
gpart add -s 4G -t freebsd-swap -l swap0 ada0
gpart add -b 34 -s 64k -t freebsd-boot /dev/ada1
gpart add -s 4G -t freebsd-swap -l swap1 ada1
gpart add -t freebsd-zfs -l disk0 /dev/ada0
gpart add -t freebsd-zfs -l disk1 /dev/ada1
gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 /dev/ada0
gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 /dev/ada1
zpool create -m /mnt zroot mirror /dev/gpt/disk0 /dev/gpt/disk1 
zfs set checksum=fletcher4 zroot
zfs set atime=off zroot
zpool set bootfs=zroot zroot
zfs set mountpoint=/mnt zroot
zpool export zroot
zpool import -o cachefile=/tmp/zpool.cache zroot
zfs create zroot/usr
zfs create zroot/usr/home
zfs create zroot/var
zfs create -o compression=on -o exec=on -o setuid=off zroot/tmp
zfs create -o compression=lzjb -o setuid=off zroot/usr/ports
zfs create -o compression=off -o exec=off -o setuid=off zroot/usr/ports/distfiles
zfs create -o compression=off -o exec=off -o setuid=off zroot/usr/ports/packages
zfs create -o compression=lzjb -o exec=off -o setuid=off zroot/usr/src
zfs create -o compression=lzjb -o exec=off -o setuid=off zroot/var/crash
zfs create -o exec=off -o setuid=off zroot/var/db
zfs create -o compression=lzjb -o exec=on -o setuid=off zroot/var/db/pkg
zfs create -o exec=off -o setuid=off zroot/var/empty
zfs create -o compression=lzjb -o exec=off -o setuid=off zroot/var/log
zfs create -o compression=gzip -o exec=off -o setuid=off zroot/var/mail
zfs create -o exec=off -o setuid=off zroot/var/run
zfs create -o compression=lzjb -o exec=on -o setuid=off zroot/var/tmp
swapon /dev/gpt/swap0
swapon /dev/gpt/swap1
chmod 1777 /mnt/tmp
chmod 1777 /mnt/var/tmp
cd /mnt ; ln -s usr/home home
echo "install ..."
sleep 1
mkdir /usr/freebsd-dist
cd /usr/freebsd-dist
fetch ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/10.0-RELEASE/src.txz
fetch ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/10.0-RELEASE/base.txz
fetch ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/10.0-RELEASE/kernel.txz
cat base.txz | tar --unlink -xvpJf - -C /mnt
cat kernel.txz | tar --unlink -xvpJf - -C /mnt
cat src.txz | tar --unlink -xvpJf - -C /mnt
echo "install ok"
sleep 1
cp /tmp/zpool.cache /mnt/boot/zfs/zpool.cache
echo 'zfs_enable="YES"' >> /mnt/etc/rc.conf
echo 'zfs_load="YES"' >> /mnt/boot/loader.conf
echo 'vfs.root.mountfrom="zfs:zroot"' >> /mnt/boot/loader.conf
echo "vfs.zfs.prefetch_disable=0" >> /boot/loader.conf 
echo '#vm.kmem_size="512M"' >> /mnt/boot/loader.conf
echo "# Device                       Mountpoint              FStype  Options         Dump    Pass#" > /mnt/etc/fstab
echo "/dev/gpt/swap0                 none                    swap    sw              0       0" >>/mnt/etc/fstab
echo "/dev/gpt/swap1                 none                    swap    sw              0       0" >>/mnt/etc/fstab
zfs set readonly=on zroot/var/empty
zfs umount -a
zfs set mountpoint=legacy zroot
zfs set mountpoint=/tmp zroot/tmp
zfs set mountpoint=/usr zroot/usr
zfs set mountpoint=/var zroot/var
reboot

Затем заходим в свежеустановленную ОС правим rc.conf должным образом, настраиваем ssh*, пользователей и т.д.

*хинт:

ключей ssh не генерирует, делаем сами

ssh-keygen -t rsa -f /etc/ssh/ssh_rsa_key -N ''
ssh-keygen -t dsa -f /etc/ssh/ssh_dsa_key -N ''
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