mirror of https://github.com/borgbackup/borg.git
65 lines
2.5 KiB
PHP
65 lines
2.5 KiB
PHP
.. _borg_upgrade:
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borg upgrade
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------------
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::
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usage: borg upgrade [-h] [-v] [--show-rc] [--no-files-cache] [--umask M]
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[--remote-path PATH] [-n] [-i]
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[REPOSITORY]
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upgrade a repository from a previous version
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positional arguments:
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REPOSITORY path to the repository to be upgraded
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optional arguments:
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-h, --help show this help message and exit
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-v, --verbose verbose output
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--show-rc show/log the return code (rc)
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--no-files-cache do not load/update the file metadata cache used to
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detect unchanged files
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--umask M set umask to M (local and remote, default: 63)
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--remote-path PATH set remote path to executable (default: "borg")
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-n, --dry-run do not change repository
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-i, --inplace rewrite repository in place, with no chance of going
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back to older versions of the repository.
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Description
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~~~~~~~~~~~
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upgrade an existing Borg repository. this currently
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only support converting an Attic repository, but may
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eventually be extended to cover major Borg upgrades as well.
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it will change the magic strings in the repository's segments
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to match the new Borg magic strings. the keyfiles found in
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$ATTIC_KEYS_DIR or ~/.attic/keys/ will also be converted and
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copied to $BORG_KEYS_DIR or ~/.borg/keys.
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the cache files are converted, from $ATTIC_CACHE_DIR or
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~/.cache/attic to $BORG_CACHE_DIR or ~/.cache/borg, but the
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cache layout between Borg and Attic changed, so it is possible
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the first backup after the conversion takes longer than expected
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due to the cache resync.
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upgrade should be able to resume if interrupted, although it
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will still iterate over all segments. if you want to start
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from scratch, use `borg delete` over the copied repository to
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make sure the cache files are also removed:
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borg delete borg
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unless ``--inplace`` is specified, the upgrade process first
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creates a backup copy of the repository, in
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REPOSITORY.upgrade-DATETIME, using hardlinks. this takes
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longer than in place upgrades, but is much safer and gives
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progress information (as opposed to ``cp -al``). once you are
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satisfied with the conversion, you can safely destroy the
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backup copy.
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WARNING: running the upgrade in place will make the current
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copy unusable with older version, with no way of going back
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to previous versions. this can PERMANENTLY DAMAGE YOUR
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REPOSITORY! Attic CAN NOT READ BORG REPOSITORIES, as the
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magic strings have changed. you have been warned. |