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86 lines
3.4 KiB
PHP
86 lines
3.4 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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::
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borg prune <options> REPOSITORY
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positional arguments
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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``
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| do not change repository
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``--force``
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| force pruning of corrupted archives
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``-s``, ``--stats``
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| print statistics for the deleted archive
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``--list``
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| output verbose list of archives it keeps/prunes
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``--keep-within WITHIN``
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| keep all archives within this time interval
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``--keep-last``, ``--keep-secondly``
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| number of secondly archives to keep
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``--keep-minutely``
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| number of minutely archives to keep
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``-H``, ``--keep-hourly``
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| number of hourly archives to keep
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``-d``, ``--keep-daily``
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| number of daily archives to keep
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``-w``, ``--keep-weekly``
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| number of weekly archives to keep
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``-m``, ``--keep-monthly``
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| number of monthly archives to keep
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``-y``, ``--keep-yearly``
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| number of yearly archives to keep
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``-P``, ``--prefix``
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| only consider archive names starting with this prefix
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``--save-space``
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| work slower, but using less space
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`Common options`_
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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. This command is normally used by
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automated backup scripts wanting to keep a 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-*).
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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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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.
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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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