Changes between Initial Version and Version 1 of linux/centos7-root-on-zfs

Timestamp:

2016-05-15T07:33:14Z (8 years ago)

Author:

root

Comment:

--

linux/centos7-root-on-zfs

@@ +1 @@
+= установка centos 7 с / на zfs
+
+[[PageOutline(2-3,содержание)]]
+
+{{{
+#!bash
+yum install zfs-dracut
+sed -i 's#ZFS=${rpool}${bootfs}##' /etc/grub.d/10_linux
+sed -i 's#ZPOOL_IMPORT_OPTS=""#ZPOOL_IMPORT_OPTS="-d /dev/disk/by-partlabel"#' /usr/lib/dracut/modules.d/90zfs/zfs-lib.sh
+
+for i in b c d; do
+ sgdisk -g \
+  -n 1:2048:2099199 /dev/sd${i} \
+  -t 1:ef02 /dev/sd${i} \
+  -c 1:boot-${i} \
+  -n 2:2099200:18876415 /dev/sd${i} \
+  -t 2:fd00 /dev/sd${i} \
+  -c 2:swap-${i} \
+  -n 3:18876416:1629487070 /dev/sd${i} \
+  -t 3:bf00 /dev/sd${i} \
+  -c 3:main-${i}
+done
+
+mdadm --create /dev/md22 \
+ --level=1 --raid-devices=3 \
+ /dev/sdb2 \
+ /dev/sdc2 \
+ /dev/sdd2
+mkswap -L swap-m /dev/md22
+
+zpool create \
+ -o ashift=12 \
+ -O compression=lz4 \
+ zroot \
+ raidz2 /dev/disk/by-partlabel/main-[b-d]
+zfs create zroot/centos7-01
+
+mkdir /mnt/tmp
+mount --bind / /mnt/tmp
+rsync -avPX /mnt/tmp/. /zroot/centos7-01/.
+umount /mnt/tmp
+
+cat <<EOF >/zroot/centos7-01/fstab
+LABEL=boot-m /boot ext4 defaults 0 0
+LABEL=boot-m swap swap defaults 0 0
+EOF
+
+mdadm --create /dev/md11 \
+ --level=1 --raid-devices=3 \
+ /dev/sdb1 \
+ /dev/sdc1 \
+ /dev/sdd1
+mkfs.ext4 -L boot-m /dev/md22
+mount /dev/md11 /zroot/centos7-01/boot
+
+mount --bind /boot /mnt/tmp
+rsync -avPX /mnt/tmp/. /zroot/centos7-01/boot/.
+umount /mnt/tmp
+
+for dir in proc sys dev; do
+ mount --bind /$dir /zroot/centos7-01/$dir
+done
+
+for dir in proc sys dev; do
+ mount --bind /$dir /mnt/$dir
+done
+
+vi /etc/default/grub
+GRUB_CMDLINE_LINUX="crashkernel=auto root=zfs:zroot/centos7-01"
+
+mdadm --examine --scan |
+ sed 's# /dev/md/# /dev/md#g' >/etc/mdadm.conf
+ln -s /dev/disk/by-partlabel/* /dev
+dracut -f -v /boot/initramfs-$(uname -r).img $(uname -r)
+grub2-mkconfig -o /boot/grub2/grub.cfg
+grep root /boot/grub2/grub.cfg
+for d in /dev/sd[b-d]; do
+ grub2-install --boot-directory=/boot ${d}
+done
+
+exit
+}}}