docs/administration-guide.rst: add hint about ISO week date

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Dietmar Maurer 2019-12-07 10:45:43 +01:00
parent 052c4aa160
commit 1af6637004
2 changed files with 5 additions and 0 deletions

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@ -433,6 +433,10 @@ following retention options:
Keep backups for ``<N>`` different weeks. If there is more than one
backup for a single week, only the latest one is kept.
.. note:: The weeks start on Monday and end on Sunday. The software
uses the `ISO week date`_ system and correctly handles weeks at
the end of the year.
``--keep-monthly <N>``
Keep backups for ``<N>`` different months. If there is more than one
backup for a single month, only the latest one is kept.

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@ -34,3 +34,4 @@
.. _RFC3399: https://tools.ietf.org/html/rfc3339
.. _UTC: https://en.wikipedia.org/wiki/Coordinated_Universal_Time
.. _ISO Week date: https://en.wikipedia.org/wiki/ISO_week_date