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vault backup: 2024-12-19 20:01:11

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Jerry Jacobs
2024-12-19 20:01:11 +01:00
parent 614140abcc
commit d9eaaf807f
2 changed files with 29 additions and 5 deletions
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2025/xg-infra-upgrade-2025.md
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@ -72,6 +72,29 @@ Improvements & things to not forget:
2. Set zfs-auto-snapshot property (for zfstools) : `zfs set ..`
3. Create share in Syncthing web GUI
4. Ignore .zfs folder (to not propagate to connected peers): filter `.zfs`
# ZFS dataset datablock copies
For extra redundancy amount of datablock copies can be set and tested:
```
# zfs create data/test-dataset/dataset-1
# zfs list
# zfs set copies=2 data/test-dataset/dataset-1
# zfs get copies data/test-dataset/dataset-1
root@mango:/data/test-dataset/dataset-1 # dd if=/dev/random of=testfile bs=64K count=1024
1024+0 records in
1024+0 records out
67108864 bytes transferred in 0.609759 secs (110058049 bytes/sec)
root@mango:/data/test-dataset/dataset-1 # ls -lah
total 131146
drwxr-xr-x 2 root wheel 3B Dec 19 19:56 .
drwxr-xr-x 3 root wheel 3B Dec 19 19:55 ..
-rw-r--r-- 1 root wheel 64M Dec 19 19:57 testfile
root@mango:/data/test-dataset/dataset-1 # zfs list | grep dataset-1
data/test-dataset/dataset-1 128M 410G 128M /data/test-dataset/dataset-1
```
# See also
* [[freebsd-notes]]