mirror of
https://github.com/openoms/bitcoin-tutorials.git
synced 2025-12-19 12:54:19 +01:00
create a ZFS pool to be used as a Raspiblitz disk
This commit is contained in:
openoms
146
zfs/create-raspiblitz-zfs-disk.md
Normal file
146
zfs/create-raspiblitz-zfs-disk.md
Normal file
@@ -0,0 +1,146 @@
|
|||||||
|
# Create a ZFS pool to be used as a Raspiblitz disk
|
||||||
|
|
||||||
|
## Documentation
|
||||||
|
* https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/Debian%20Bullseye%20Root%20on%20ZFS.html
|
||||||
|
* https://github.com/rootzoll/raspiblitz/issues/3590
|
||||||
|
```
|
||||||
|
man zpool create
|
||||||
|
man zpool-features
|
||||||
|
man zfsprops
|
||||||
|
man zfs-load-key
|
||||||
|
```
|
||||||
|
|
||||||
|
# Install ZFS and create a pool
|
||||||
|
```
|
||||||
|
# work as root
|
||||||
|
sudo su -
|
||||||
|
apt install zfsutils-linux
|
||||||
|
|
||||||
|
# create encryption key
|
||||||
|
dd if=/dev/urandom of=/root/.zpoolraw.key bs=32 count=1
|
||||||
|
chmod 400 /root/.zpoolraw.key
|
||||||
|
|
||||||
|
# list physical disks
|
||||||
|
lsblk --scsi
|
||||||
|
# get the IDS
|
||||||
|
ls -la /dev/disk/by-id
|
||||||
|
|
||||||
|
# Working with a four disk setup - need identical sizes in the mirrrors
|
||||||
|
|
||||||
|
DISK1="/dev/disk/by-id/ata-name-and-id-of-disk1"
|
||||||
|
DISK2="/dev/disk/by-id/ata-name-and-id-of-disk2"
|
||||||
|
DISK3="/dev/disk/by-id/ata-name-and-id-of-disk3"
|
||||||
|
DISK4="/dev/disk/by-id/ata-name-and-id-of-disk4"
|
||||||
|
|
||||||
|
# Clear the partition table:
|
||||||
|
sgdisk --zap-all $DISK1
|
||||||
|
sgdisk --zap-all $DISK2
|
||||||
|
sgdisk --zap-all $DISK1
|
||||||
|
sgdisk --zap-all $DISK2
|
||||||
|
|
||||||
|
# create pool with two disk pair mirrored, see the last line and edit to your setup:
|
||||||
|
# mirror $DISK1 $DISK3 mirror $DISK2 $DISK4
|
||||||
|
zpool create \
|
||||||
|
-o cachefile=/etc/zfs/zpool.cache \
|
||||||
|
-o ashift=12 -d \
|
||||||
|
-o feature@async_destroy=enabled \
|
||||||
|
-o feature@bookmarks=enabled \
|
||||||
|
-o feature@bookmark_v2=enabled \
|
||||||
|
-o feature@embedded_data=enabled \
|
||||||
|
-o feature@empty_bpobj=enabled \
|
||||||
|
-o feature@enabled_txg=enabled \
|
||||||
|
-o feature@encryption=enabled \
|
||||||
|
-o feature@extensible_dataset=enabled \
|
||||||
|
-o feature@filesystem_limits=enabled \
|
||||||
|
-o feature@hole_birth=enabled \
|
||||||
|
-o feature@large_blocks=enabled \
|
||||||
|
-o feature@livelist=enabled \
|
||||||
|
-o feature@lz4_compress=enabled \
|
||||||
|
-o feature@spacemap_histogram=enabled \
|
||||||
|
-o feature@zpool_checkpoint=enabled \
|
||||||
|
-O acltype=posixacl -O canmount=off -O compression=lz4 \
|
||||||
|
-O devices=off -O normalization=formD -O relatime=on -O xattr=sa \
|
||||||
|
-O mountpoint=/mnt \
|
||||||
|
-O encryption=on \
|
||||||
|
-O keyformat=raw -O keylocation=file:///root/.zpoolraw.key \
|
||||||
|
mirrorpool mirror $DISK1 $DISK3 # mirror $DISK2 $DISK4
|
||||||
|
|
||||||
|
# check
|
||||||
|
zpool status
|
||||||
|
zpool list
|
||||||
|
|
||||||
|
# create a dataset name hdd (so it can be mounted as /mnt/hdd)
|
||||||
|
zfs create zpool/hdd
|
||||||
|
# check
|
||||||
|
zfs list
|
||||||
|
df -h
|
||||||
|
|
||||||
|
# Mount a ZFS dataset to `/mnt/hdd`:
|
||||||
|
zfs create zpool/hdd
|
||||||
|
zfs mount zpool/hdd /mnt
|
||||||
|
|
||||||
|
#or change an existing mountpoint for a whole pool:
|
||||||
|
sudo zfs set mountpoint=/mnt/hdd POOL1
|
||||||
|
|
||||||
|
# to automount:
|
||||||
|
echo "\
|
||||||
|
[Service]
|
||||||
|
ExecStartPre=/sbin/zfs load-key -a
|
||||||
|
ExecStartPre=/sbin/zfs mount -la
|
||||||
|
" | sudo tee /etc/systemd/system/bootstrap.service.d/zfsautomount.conf
|
||||||
|
|
||||||
|
# or in cron:
|
||||||
|
cronjob="@reboot sudo /sbin/zfs load-key -a; sudo /sbin/zfs mount -la"
|
||||||
|
(
|
||||||
|
crontab -u admin -l
|
||||||
|
echo "$cronjob"
|
||||||
|
) | crontab -u admin -
|
||||||
|
```
|
||||||
|
|
||||||
|
|
||||||
|
## ZFS encryption key operations
|
||||||
|
```
|
||||||
|
# backup the key
|
||||||
|
xxd /root/.zpoolraw.key
|
||||||
|
00000000: 30cc f221 94e1 7f01 cd54 d68c a1ba f124 0..!.....T.....$
|
||||||
|
00000010: e1f3 1d45 d904 823c 77b7 1e18 fd93 1676 ...E... <w......v
|
||||||
|
|
||||||
|
# recover the key from text
|
||||||
|
# https://lightning.readthedocs.io/BACKUP.html#hsm-secret
|
||||||
|
cat >.zpoolraw_hex.txt <<HEX
|
||||||
|
00: 30cc f221 94e1 7f01 cd54 d68c a1ba f124
|
||||||
|
10: e1f3 1d45 d904 823c 77b7 1e18 fd93 1676
|
||||||
|
HEX
|
||||||
|
xxd -r .zpoolraw_hex.txt >/root/.zpoolraw.key
|
||||||
|
chmod 0400 .zpoolraw.key
|
||||||
|
srm .zpoolraw_hex.txt
|
||||||
|
```
|
||||||
|
|
||||||
|
## temperature monitoring
|
||||||
|
```
|
||||||
|
sudo sudo apt install hddtemp nvme-cli
|
||||||
|
sudo hddtemp /dev/sd?
|
||||||
|
sudo nvme smart-log /dev/nvme0 | grep "^temperature"
|
||||||
|
sudo nvme smart-log /dev/nvme1 | grep "^temperature"
|
||||||
|
|
||||||
|
sudo smartctl -d auto -H /dev/nvme0
|
||||||
|
sudo smartctl -d auto -H /dev/nvme1
|
||||||
|
|
||||||
|
sudo smartctl -d auto -a /dev/nvme1
|
||||||
|
sudo smartctl -d auto -a /dev/nvme1
|
||||||
|
```
|
||||||
|
|
||||||
|
## import an existing ZFS pool
|
||||||
|
* https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/index.html
|
||||||
|
```
|
||||||
|
zpool import
|
||||||
|
zpool import -a
|
||||||
|
sudo /sbin/zfs load-key -a
|
||||||
|
sudo /sbin/zfs mount -la
|
||||||
|
|
||||||
|
cronjob="@reboot sudo /sbin/zfs load-key -a; sudo /sbin/zfs mount -la"
|
||||||
|
(
|
||||||
|
crontab -u admin -l
|
||||||
|
echo "$cronjob"
|
||||||
|
) | crontab -u admin -
|
||||||
|
```
|
||||||
Reference in New Issue
Block a user