rel:: [[Databases MOC]] rel:: [[Operating Systems MOC]] # OpenZFS ## Cheatsheet ### Snapshots #### List all snapshots ``` zfs list -t snapshot ``` #### Creating a snapshot Snapshot a single dataset. ``` zfs snapshot tank/timemachine/tmleica@test_202208081505 ``` #### Snapshot diff ``` zfs diff tank/timemachine/tmleica@test_202208081505 ``` #### Creating a recursive snapshot Recursive same-point-in-time snapshots for all datasets in the `tank` pool. ``` zfs snapshot -r tank@full-system_202209091007 ``` #### Accessing a snapshot ``` ls /mnt/tank/timemachine/tmleica/.zfs/snapshot/test_202208081505 cd /mnt/tank/timemachine/tmleica/.zfs/snapshot/test_202208081505 cp /mnt/tank/timemachine/tmleica/.zfs/snapshot/test_202208081505/afile.out /tmp ``` #### Destroying snapshots ``` # verbose, dry run zfs destroy -nv tank/timemachine/tmleica@test_202208081505 # verbose, dry run, recursive snapshot zfs destroy -rnv tank@full-system_202209091007 # for real zfs destroy tank/timemachine/tmleica@test_202208081505 zfs destroy -r tank@full-system_202209091007 ```