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by versteegen
3681 days ago
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(I'm not an expert, just a user) Snapshotting effectively disables NOCOW. Snapshotting always works, and needs COW to do so. Which means ryao is right that fragmentation will occur. btrfs doesn't copy a NOCOW file in its entirety if it's in a snapshot, or I would have run out of disk space by now. (I really need to move my VM images to a non-backed-up subvolume.) |
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