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linux:fs:zfs:move_to_zfs [2021/02/14 17:33]
niziak 		linux:fs:zfs:move_to_zfs [2021/05/14 16:06] (current)
niziak
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   * [[https://​www.tomica.net/​blog/​2019/​02/​moving-ubuntu-to-root-on-zfs/​]]   * [[https://​www.tomica.net/​blog/​2019/​02/​moving-ubuntu-to-root-on-zfs/​]]
   * [[https://​blog.heckel.io/​2016/​12/​31/​move-existing-linux-install-zfs-root/​]]   * [[https://​blog.heckel.io/​2016/​12/​31/​move-existing-linux-install-zfs-root/​]]
 +  * [[https://​wiki.debian.org/​ZFS|ZFS - Debian Wiki]]
  
 ===== Prepare system ===== ===== Prepare system =====
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 <code bash> <code bash>
 zpool create \ zpool create \
-    -o ashift=12 -d \+    -o ashift=13 -d \
     -o feature@async_destroy=enabled \     -o feature@async_destroy=enabled \
     -o feature@bookmarks=enabled \     -o feature@bookmarks=enabled \
     -o feature@embedded_data=enabled \     -o feature@embedded_data=enabled \
-    -o feature@empty_bpobj=enabled \+    -o feature@empty_bpobj=enabled \rapidly and thoroughly than you'd think.
     -o feature@enabled_txg=enabled \     -o feature@enabled_txg=enabled \
     -o feature@extensible_dataset=enabled \     -o feature@extensible_dataset=enabled \
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 </​code>​ </​code>​
  
-==== create ​root pool ====+==== Create ​root pool ====
  
 <code bash> <code bash>
 zpool create \ zpool create \
-    -o ashift=12 \+    -o ashift=13 \
     -O acltype=posixacl -O canmount=off -O compression=lz4 \     -O acltype=posixacl -O canmount=off -O compression=lz4 \
     -O dnodesize=auto -O normalization=formD -O relatime=on \     -O dnodesize=auto -O normalization=formD -O relatime=on \
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 </​code> ​   ​ </​code> ​   ​
  
-=== prepare filesystem ===+===== prepare filesystem ​=====
  
 <code bash> <code bash>
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 </​code>​ </​code>​
  
-=== Move filesystem ===+==== Move filesystem ​====
  
 <code bash> <code bash>
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 </​code>​ </​code>​
  
-=== update filesystem ===+==== update filesystem ​====
  
 <code bash> <code bash>
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 </​code>​ </​code>​
  
-=== Enable importing bpool ===+==== Enable importing bpool ====
  
 <file /​etc/​systemd/​system/​zfs-import-bpool.service>​ <file /​etc/​systemd/​system/​zfs-import-bpool.service>​
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 <code bash>​update-initramfs -c -k </​code>​ <code bash>​update-initramfs -c -k </​code>​
 +
 +==== Update GRUB ====
  
 === EFI boot === === EFI boot ===
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 <code bash> <code bash>
 sed -Ei "​s|/​rpool/?​|/​|"​ /​etc/​zfs/​zfs-list.cache/​* sed -Ei "​s|/​rpool/?​|/​|"​ /​etc/​zfs/​zfs-list.cache/​*
- 
- 
 </​code>​ </​code>​
  
  
- +Exit chroot: <​code>​exit</​code>​
-Exit chroot +
-<​code>​ +
-exit +
-</​code>​+
  
 Unmount zfs Unmount zfs
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 </​code>​ </​code>​
  
 +**DON'​T FORGET TO EXPORT BEFORE REBOOT!**
  
 <​code>​ <​code>​
 zpool export -a zpool export -a
 +
 reboot reboot
 </​code>​ </​code>​
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 Reboot. Choose recovery boot to verify. Reboot. Choose recovery boot to verify.
  
-==== issue: No pool imported ====+===== Add 2nd disk for mirror ===== 
 + 
 +<code bash> 
 +DISK=/​dev/​disk/​by-id/​scsi-SATA_disk2 
 +sgdisk --zap-all $DISK 
 +sgdisk -a8 -n1:​24K:​+1000K -t1:EF02 $DISK  # grub bios 
 +sgdisk ​    ​-n2:​1M:​+256M ​  ​-t2:​EF00 $DISK  # EFI 
 +sgdisk ​    ​-n3:​0:​+512M ​   -t3:BF01 $DISK  # /boot 
 +sgdisk ​    ​-n4:​0:​0 ​       -t4:BF00 $DISK  # rpool 
 +</​code>​ 
 + 
 +Attach boot partitiona to ''​bpool'':​ 
 +<code bash> 
 +zpool list -v 
 +zpool attach bpool ata-WDC_WD1003FZEX-00MK2A0_WD-WCC3F5HSP1N1-part3 $DISK-part3 
 +zpool list -v 
 +</​code>​ 
 + 
 +Attach pool partition to ''​rpool'':​ 
 +<code bash> 
 +zpool list -v 
 +zpool attach rpool ata-WDC_WD1003FZEX-00MK2A0_WD-WCC3F5HSP1N1-part4 $DISK-part4 
 +zpool list -v 
 +</​code>​ 
 + 
 +Check mirror build progresS: 
 +<​code>​ 
 +zpool status 
 + 
 +  pool: bpool 
 + ​state:​ ONLINE 
 +  scan: resilvered 263M in 0 days 00:00:06 with 0 errors on Sun Feb 14 18:26:12 2021 
 + 
 +  pool: rpool 
 + ​state:​ ONLINE 
 +status: One or more devices is currently being resilvered. ​ The pool will 
 + continue to function, possibly in a degraded state. 
 +action: Wait for the resilver to complete. 
 +  scan: resilver in progress since Sun Feb 14 18:27:09 2021 
 + 68,9G scanned at 860M/s, 504K issued at 6,15K/s, 326G total 
 + 0B resilvered, 0,00% done, no estimated completion time 
 +</​code>​ 
 + 
 +==== Install grub on 2nd disk ==== 
 + 
 + 
 +=== legacy ​ === 
 + 
 +<code bash>​dpkg-reconfigure grub-pc</​code>​ 
 +Hit enter until you get to the device selection screen. Select (using the space bar) all of the disks (not partitions) in your pool. 
 + 
 +or 
 + 
 +<code bash>​grub-install $DISK</​code>​ 
 + 
 +=== For UEFI booting === 
 + 
 +<code bash>​umount /​boot/​efi</​code>​ 
 + 
 +<code bash> 
 +dd if=/​dev/​disk/​by-id/​scsi-SATA_disk1-part2 \ 
 +   ​of=/​dev/​disk/​by-id/​scsi-SATA_disk2-part2 
 + 
 +efibootmgr -c -g -d /​dev/​disk/​by-id/​scsi-SATA_disk2 \ 
 +    -p 2 -L "​debian-2"​ -l '​\EFI\debian\grubx64.efi'​ 
 + 
 +mount /boot/efi 
 +</​code>​ 
 + 
 +==== add ZIL and L2ARC  ==== 
 + 
 +<code bash> 
 +zpool add rpool log c2980761-ed99-4af3-8519-f03ed43fbefe 
 +</​code>​ 
 + 
 +<code bash> 
 +zpool add rpool cache 3b42df2e-2923-464c-92d6-8d629252727d 
 +</​code>​ 
 + 
 +===== issue: No pool imported ​=====
  
 <​code>​ <​code>​
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 </​code>​ </​code>​
  
-==== issue ? ====+===== issue ? =====