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This allows creating multiple repositories with identical chunker parameters which is required for working deduplication when copying snapshots between different repositories.
21 lines
1002 B
Plaintext
21 lines
1002 B
Plaintext
Enhancement: Add command for copying snapshots between repositories
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We've added a copy command, allowing you to copy snapshots from one
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repository to another.
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Note that this process will have to read (download) and write (upload) the
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entire snapshot(s) due to the different encryption keys used on the source
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and destination repository. Also, the transferred files are not re-chunked,
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which may break deduplication between files already stored in the
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destination repo and files copied there using this command.
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To fully support deduplication between repositories when the copy command is
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used, the init command now supports the `--copy-chunker-params` option,
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which initializes the new repository with identical parameters for splitting
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files into chunks as an already existing repository. This allows copied
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snapshots to be equally deduplicated in both repositories.
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https://github.com/restic/restic/issues/323
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https://github.com/restic/restic/pull/2606
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https://github.com/restic/restic/pull/2928
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