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150 lines
No EOL
16 KiB
PHP
150 lines
No EOL
16 KiB
PHP
.. IMPORTANT: this file is auto-generated from borg's built-in help, do not edit!
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.. _borg_prune:
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borg prune
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----------
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.. code-block:: none
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borg [common options] prune [options] [REPOSITORY]
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.. only:: html
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.. class:: borg-options-table
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| **positional arguments** |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``REPOSITORY`` | repository to prune |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| **optional arguments** |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-n``, ``--dry-run`` | do not change repository |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``--force`` | force pruning of corrupted archives, use ``--force --force`` in case ``--force`` does not work. |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-s``, ``--stats`` | print statistics for the deleted archive |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``--list`` | output verbose list of archives it keeps/prunes |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``--keep-within INTERVAL`` | keep all archives within this time interval |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``--keep-last``, ``--keep-secondly`` | number of secondly archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``--keep-minutely`` | number of minutely archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-H``, ``--keep-hourly`` | number of hourly archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-d``, ``--keep-daily`` | number of daily archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-w``, ``--keep-weekly`` | number of weekly archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-m``, ``--keep-monthly`` | number of monthly archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-y``, ``--keep-yearly`` | number of yearly archives to keep |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``--save-space`` | work slower, but using less space |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| .. class:: borg-common-opt-ref |
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| :ref:`common_options` |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| **Archive filters** — Archive filters can be applied to repository targets. |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-P PREFIX``, ``--prefix PREFIX`` | only consider archive names starting with this prefix. |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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| | ``-a GLOB``, ``--glob-archives GLOB`` | only consider archive names matching the glob. sh: rules apply, see "borg help patterns". ``--prefix`` and ``--glob-archives`` are mutually exclusive. |
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+-----------------------------------------------------------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------+
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.. raw:: html
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<script type='text/javascript'>
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$(document).ready(function () {
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$('.borg-options-table colgroup').remove();
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})
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</script>
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.. only:: latex
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REPOSITORY
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repository to prune
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optional arguments
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-n, --dry-run do not change repository
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--force force pruning of corrupted archives, use ``--force --force`` in case ``--force`` does not work.
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-s, --stats print statistics for the deleted archive
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--list output verbose list of archives it keeps/prunes
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--keep-within INTERVAL keep all archives within this time interval
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--keep-last, --keep-secondly number of secondly archives to keep
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--keep-minutely number of minutely archives to keep
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-H, --keep-hourly number of hourly archives to keep
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-d, --keep-daily number of daily archives to keep
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-w, --keep-weekly number of weekly archives to keep
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-m, --keep-monthly number of monthly archives to keep
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-y, --keep-yearly number of yearly archives to keep
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--save-space work slower, but using less space
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:ref:`common_options`
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Archive filters
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-P PREFIX, --prefix PREFIX only consider archive names starting with this prefix.
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-a GLOB, --glob-archives GLOB only consider archive names matching the glob. sh: rules apply, see "borg help patterns". ``--prefix`` and ``--glob-archives`` are mutually exclusive.
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Description
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~~~~~~~~~~~
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The prune command prunes a repository by deleting all archives not matching
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any of the specified retention options.
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Important: Repository disk space is **not** freed until you run ``borg compact``.
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This command is normally used by automated backup scripts wanting to keep a
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certain number of historic backups.
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Also, prune automatically removes checkpoint archives (incomplete archives left
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behind by interrupted backup runs) except if the checkpoint is the latest
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archive (and thus still needed). Checkpoint archives are not considered when
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comparing archive counts against the retention limits (``--keep-X``).
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If a prefix is set with -P, then only archives that start with the prefix are
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considered for deletion and only those archives count towards the totals
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specified by the rules.
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Otherwise, *all* archives in the repository are candidates for deletion!
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There is no automatic distinction between archives representing different
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contents. These need to be distinguished by specifying matching prefixes.
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If you have multiple sequences of archives with different data sets (e.g.
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from different machines) in one shared repository, use one prune call per
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data set that matches only the respective archives using the -P option.
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The ``--keep-within`` option takes an argument of the form "<int><char>",
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where char is "H", "d", "w", "m", "y". For example, ``--keep-within 2d`` means
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to keep all archives that were created within the past 48 hours.
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"1m" is taken to mean "31d". The archives kept with this option do not
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count towards the totals specified by any other options.
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A good procedure is to thin out more and more the older your backups get.
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As an example, ``--keep-daily 7`` means to keep the latest backup on each day,
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up to 7 most recent days with backups (days without backups do not count).
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The rules are applied from secondly to yearly, and backups selected by previous
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rules do not count towards those of later rules. The time that each backup
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starts is used for pruning purposes. Dates and times are interpreted in
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the local timezone, and weeks go from Monday to Sunday. Specifying a
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negative number of archives to keep means that there is no limit. As of borg
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1.2.0, borg will retain the oldest archive if any of the secondly, minutely,
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hourly, daily, weekly, monthly, or yearly rules was not otherwise able to meet
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its retention target. This enables the first chronological archive to continue
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aging until it is replaced by a newer archive that meets the retention criteria.
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The ``--keep-last N`` option is doing the same as ``--keep-secondly N`` (and it will
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keep the last N archives under the assumption that you do not create more than one
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backup archive in the same second).
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When using ``--stats``, you will get some statistics about how much data was
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deleted - the "Deleted data" deduplicated size there is most interesting as
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that is how much your repository will shrink.
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Please note that the "All archives" stats refer to the state after pruning. |