mirror of
https://github.com/openoms/bitcoin-tutorials.git
synced 2025-12-19 04:54:18 +01:00
add links and formatting
This commit is contained in:
openoms
@@ -1,12 +1,17 @@
|
||||
# Create a ZFS pool to be used as a Raspiblitz disk
|
||||
<!-- omit from toc -->
|
||||
# Create a ZFS pool to be used as a Raspiblitz data disk
|
||||
|
||||
## Documentation
|
||||
```
|
||||
man zpool create
|
||||
man zpool-features
|
||||
man zfsprops
|
||||
man zfs-load-key
|
||||
```
|
||||
- [Install ZFS](#install-zfs)
|
||||
- [Create the encryption key](#create-the-encryption-key)
|
||||
- [Create a pool](#create-a-pool)
|
||||
- [Examples](#examples)
|
||||
- [A four disk setup](#a-four-disk-setup)
|
||||
- [Mount to /mnt/hdd](#mount-to-mnthdd)
|
||||
- [Attach a new disk to an existing pool](#attach-a-new-disk-to-an-existing-pool)
|
||||
- [ZFS encryption key operations](#zfs-encryption-key-operations)
|
||||
- [Temperature monitoring](#temperature-monitoring)
|
||||
- [Import an existing ZFS pool](#import-an-existing-zfs-pool)
|
||||
- [Documentation](#documentation)
|
||||
|
||||
## Install ZFS
|
||||
* https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/index.html#installation
|
||||
@@ -29,39 +34,19 @@ apt install -y zfs-dkms zfsutils-linux
|
||||
zpool status
|
||||
```
|
||||
|
||||
## Preparation
|
||||
## Create the encryption key
|
||||
* could use a CLN hsm_secret, see https://twitter.com/openoms/status/1480881081851207683
|
||||
```
|
||||
# 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
|
||||
|
||||
# Clean a disk which was previously used with zfs:
|
||||
wipefs -a $DISK
|
||||
```
|
||||
|
||||
## Creata a pool
|
||||
## Create a pool
|
||||
* see for the basic options
|
||||
```
|
||||
man zpoolconcepts
|
||||
```
|
||||
* [Why you should use mirror vdevs not raidz](https://jrs-s.net/2015/02/06/zfs-you-should-use-mirror-vdevs-not-raid)
|
||||
### Examples
|
||||
* edit the last line of the `zpool create` command
|
||||
* the pool is named `fourdiskpool` - can change this
|
||||
@@ -78,6 +63,28 @@ man zpoolconcepts
|
||||
$DISK1
|
||||
```
|
||||
|
||||
### A four disk setup
|
||||
* needs identical sizes in the mirrors
|
||||
```
|
||||
# list physical disks
|
||||
lsblk --scsi
|
||||
# get the IDS
|
||||
ls -la /dev/disk/by-id
|
||||
|
||||
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
|
||||
|
||||
# Clean a disk which was previously used with zfs:
|
||||
wipefs -a $DISK1
|
||||
```
|
||||
|
||||
```
|
||||
zpool create \
|
||||
@@ -111,7 +118,7 @@ zpool list
|
||||
```
|
||||
|
||||
### Mount to /mnt/hdd
|
||||
```
|
||||
* ```
|
||||
# create a dataset named hdd (so it can be mounted as /mnt/hdd)
|
||||
zfs create fourdiskpool/hdd
|
||||
|
||||
@@ -156,7 +163,7 @@ zpool status
|
||||
```
|
||||
|
||||
## ZFS encryption key operations
|
||||
```
|
||||
* ```
|
||||
# backup the key
|
||||
xxd /root/.zpoolraw.key
|
||||
00000000: 30cc f221 94e1 7f01 cd54 d68c a1ba f124 0..!.....T.....$
|
||||
@@ -173,8 +180,8 @@ chmod 0400 .zpoolraw.key
|
||||
srm .zpoolraw_hex.txt
|
||||
```
|
||||
|
||||
## temperature monitoring
|
||||
```
|
||||
## Temperature monitoring
|
||||
* ```
|
||||
sudo sudo apt install hddtemp nvme-cli
|
||||
sudo hddtemp /dev/sd?
|
||||
sudo nvme smart-log /dev/nvme0 | grep "^temperature"
|
||||
@@ -187,7 +194,7 @@ sudo smartctl -d auto -a /dev/nvme1
|
||||
sudo smartctl -d auto -a /dev/nvme1
|
||||
```
|
||||
|
||||
## import an existing ZFS pool
|
||||
## Import an existing ZFS pool
|
||||
* https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/index.html
|
||||
```
|
||||
zpool import
|
||||
@@ -204,3 +211,16 @@ cronjob="@reboot sudo /sbin/zfs load-key -a; sudo /sbin/zfs mount -la"
|
||||
# list the active crontab for admin
|
||||
crontab -u admin -l
|
||||
```
|
||||
|
||||
## Documentation
|
||||
- [OpenZFS on Debian](https://openzfs.github.io/openzfs-docs/Getting%20Started/Debian/index.html)
|
||||
- [Capacity calculator](https://wintelguy.com/zfs-calc.pl)
|
||||
- [Why you should use mirror vdevs not raidz](https://jrs-s.net/2015/02/06/zfs-you-should-use-mirror-vdevs-not-raid)
|
||||
- [ZFS manager plugin for Cockpit](https://github.com/45Drives/cockpit-zfs-manager)
|
||||
```
|
||||
man zpoolconcepts
|
||||
man zpool create
|
||||
man zpool-features
|
||||
man zfsprops
|
||||
man zfs-load-key
|
||||
```
|
||||
Reference in New Issue
Block a user