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Difference between revisions of "Btrfs"
Link to archwiki
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A snapshot looks nearly the same as a subvolume. But snapshots really are "read-only photographs of a subvolume". While the subvolume changes with time. The snapshot is frozen in the state of the subvolume at the time you made it. | A snapshot looks nearly the same as a subvolume. But snapshots really are "read-only photographs of a subvolume". While the subvolume changes with time. The snapshot is frozen in the state of the subvolume at the time you made it. | ||
A snapshot is '''read-only'''. Therefore it is guaranteed not to change. In a snapshot you will find all files of the subvolume frozen in time. A snapshot is not a substitute for a backup! {{BoxWarning|Where to place snapshots|When creating snapshots you have to watch out for the volume layout in use}} | A snapshot is '''read-only'''. Therefore it is guaranteed not to change. In a snapshot you will find all files of the subvolume frozen in time. A snapshot is not a substitute for a backup! {{BoxWarning|Where to place snapshots|When creating snapshots you have to watch out for the volume layout in use. [https://github.com/jrabinow/snapper-rollback see@wiki.archlinux]}} | ||
Snapshots (if regularly made) may be used for: | Snapshots (if regularly made) may be used for: | ||