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16 lines
699 B
Plaintext
16 lines
699 B
Plaintext
Enhancement: (alpha) Store deviceID only for hardlinks
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Set `RESTIC_FEATURES=device-id-for-hardlinks` to enable this alpha feature.
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The feature flag will be removed after repository format version 3 becomes
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available or be replaced with a different solution.
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When creating backups from a filesystem snapshot, for example created using
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BTRFS subvolumes, the deviceID of the filesystem changes compared to previous
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snapshots. This prevented restic from deduplicating the directory metadata of
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a snapshot.
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When this alpha feature is enabled, the deviceID is only stored for hardlinks,
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which significantly reduces the metadata duplication for most backups.
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https://github.com/restic/restic/pull/4006
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