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borg/docs/usage/upgrade.rst.inc

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.. IMPORTANT: this file is auto-generated from borg's built-in help, do not edit!
.. _borg_upgrade:
borg upgrade
------------
::
borg upgrade <options> REPOSITORY
positional arguments
REPOSITORY
path to the repository to be upgraded
optional arguments
``-p``, ``--progress``
| show progress display while upgrading the repository
``-n``, ``--dry-run``
| do not change repository
``-i``, ``--inplace``
| rewrite repository in place, with no chance of going back to older
| versions of the repository.
`Common options`_
|
Description
~~~~~~~~~~~
Upgrade an existing Borg repository.
This currently supports converting an Attic repository to Borg and also
helps with converting Borg 0.xx to 1.0.
Currently, only LOCAL repositories can be upgraded (issue #465).
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It will change the magic strings in the repository's segments
to match the new Borg magic strings. The keyfiles found in
$ATTIC_KEYS_DIR or ~/.attic/keys/ will also be converted and
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copied to $BORG_KEYS_DIR or ~/.config/borg/keys.
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The cache files are converted, from $ATTIC_CACHE_DIR or
~/.cache/attic to $BORG_CACHE_DIR or ~/.cache/borg, but the
cache layout between Borg and Attic changed, so it is possible
the first backup after the conversion takes longer than expected
due to the cache resync.
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Upgrade should be able to resume if interrupted, although it
will still iterate over all segments. If you want to start
from scratch, use `borg delete` over the copied repository to
make sure the cache files are also removed:
borg delete borg
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Unless ``--inplace`` is specified, the upgrade process first
creates a backup copy of the repository, in
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REPOSITORY.upgrade-DATETIME, using hardlinks. This takes
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
satisfied with the conversion, you can safely destroy the
backup copy.
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WARNING: Running the upgrade in place will make the current
copy unusable with older version, with no way of going back
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to previous versions. This can PERMANENTLY DAMAGE YOUR
REPOSITORY! Attic CAN NOT READ BORG REPOSITORIES, as the
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magic strings have changed. You have been warned.