mirror of
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0bc0fa22b4
[1] So if e.g. delete/prune/check are run these can delete the
recreate_partial_chunks. This is now caught and handled correctly.
98 lines
3.7 KiB
PHP
98 lines
3.7 KiB
PHP
.. _borg_recreate:
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borg recreate
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-------------
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::
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borg recreate <options> REPOSITORY_OR_ARCHIVE PATH
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positional arguments
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REPOSITORY_OR_ARCHIVE
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repository/archive to recreate
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PATH
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paths to recreate; patterns are supported
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optional arguments
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``--list``
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| output verbose list of items (files, dirs, ...)
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``--filter STATUSCHARS``
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| only display items with the given status characters
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``-p``, ``--progress``
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| show progress display while recreating archives
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``-n``, ``--dry-run``
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| do not change anything
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``-s``, ``--stats``
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| print statistics at end
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`Common options`_
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Exclusion options
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``-e PATTERN``, ``--exclude PATTERN``
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| exclude paths matching PATTERN
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``--exclude-from EXCLUDEFILE``
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| read exclude patterns from EXCLUDEFILE, one per line
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``--exclude-caches``
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| exclude directories that contain a CACHEDIR.TAG file (http://www.brynosaurus.com/cachedir/spec.html)
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``--exclude-if-present FILENAME``
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| exclude directories that contain the specified file
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``--keep-tag-files``
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| keep tag files of excluded caches/directories
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Archive options
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``--comment COMMENT``
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| add a comment text to the archive
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``--timestamp yyyy-mm-ddThh:mm:ss``
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| manually specify the archive creation date/time (UTC). alternatively, give a reference file/directory.
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``-C COMPRESSION``, ``--compression COMPRESSION``
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| select compression algorithm (and level):
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| none == no compression (default),
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| lz4 == lz4,
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| zlib == zlib (default level 6),
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| zlib,0 .. zlib,9 == zlib (with level 0..9),
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| lzma == lzma (default level 6),
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| lzma,0 .. lzma,9 == lzma (with level 0..9).
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``--chunker-params CHUNK_MIN_EXP,CHUNK_MAX_EXP,HASH_MASK_BITS,HASH_WINDOW_SIZE``
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| specify the chunker parameters (or "default").
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Description
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~~~~~~~~~~~
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Recreate the contents of existing archives.
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--exclude, --exclude-from and PATH have the exact same semantics
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as in "borg create". If PATHs are specified the resulting archive
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will only contain files from these PATHs.
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--compression: all chunks seen will be stored using the given method.
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Due to how Borg stores compressed size information this might display
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incorrect information for archives that were not recreated at the same time.
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There is no risk of data loss by this.
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--chunker-params will re-chunk all files in the archive, this can be
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used to have upgraded Borg 0.xx or Attic archives deduplicate with
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Borg 1.x archives.
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borg recreate is signal safe. Send either SIGINT (Ctrl-C on most terminals) or
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SIGTERM to request termination.
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Use the *exact same* command line to resume the operation later - changing excludes
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or paths will lead to inconsistencies (changed excludes will only apply to newly
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processed files/dirs). Changing compression leads to incorrect size information
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(which does not cause any data loss, but can be misleading).
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Changing chunker params between invocations might lead to data loss.
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USE WITH CAUTION.
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Depending on the PATHs and patterns given, recreate can be used to permanently
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delete files from archives.
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When in doubt, use "--dry-run --verbose --list" to see how patterns/PATHS are
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interpreted.
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The archive being recreated is only removed after the operation completes. The
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archive that is built during the operation exists at the same time at
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"<ARCHIVE>.recreate". The new archive will have a different archive ID.
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When rechunking space usage can be substantial, expect at least the entire
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deduplicated size of the archives using the previous chunker params.
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When recompressing approximately 1 % of the repository size or 512 MB
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(whichever is greater) of additional space is used.
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