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Merge pull request #2274 from fgma/master

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Support for Volume Shadow Copy Service (VSS) on windows
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MichaelEischer
2020-10-24 15:43:34 +02:00
committed by GitHub
parent 0590e3e12d 5695f9ebd2
commit 31b8d7a639
10 changed files with 1373 additions and 2 deletions
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19
doc/040_backup.rst
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@@ -50,7 +50,24 @@ still get a nice live status display. Be aware that the live status shows the
processed files and not the transferred data. Transferred volume might be lower
(due to de-duplication) or higher.
If you run the command again, restic will create another snapshot of
On Windows, the ``--use-fs-snapshot`` option will use Windows' Volume Shadow Copy
Service (VSS) when creating backups. Restic will transparently create a VSS
snapshot for each volume that contains files to backup. Files are read from the
VSS snapshot instead of the regular filesystem. This allows to backup files that are
exclusively locked by another process during the backup.
By default VSS ignores Outlook OST files. This is not a restriction of restic
but the default Windows VSS configuration. The files not to snapshot are
configured in the Windows registry under the following key:
.. code-block:: console
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\BackupRestore\FilesNotToSnapshot
For more details refer the official Windows documentation e.g. the article
``Registry Keys and Values for Backup and Restore``.
If you run the backup command again, restic will create another snapshot of
your data, but this time it's even faster and no new data was added to the
repository (since all data is already there). This is de-duplication at work!

1
doc/manual_rest.rst
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@@ -107,6 +107,7 @@ command:
--stdin-filename filename filename to use when reading from stdin (default "stdin")
--tag tag add a tag for the new snapshot (can be specified multiple times)
--time time time of the backup (ex. '2012-11-01 22:08:41') (default: now)
--use-fs-snapshot use filesystem snapshot where possible (currently only Windows VSS)
--with-atime store the atime for all files and directories
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