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Check contents in archiver

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When backing up with a parent snapshot and the file is not changed, also
check if contents are still available in index.
This commit is contained in:
Alexander Weiss
2020-07-09 22:35:04 +02:00
parent 34181b13a2
commit 9175795fdb
3 changed files with 94 additions and 12 deletions
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changelog/unreleased/issue-2571 Normal file
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Enhancement: Self-heal missing file parts during backup of unchanged files
We've improved the resilience of restic to certain types of repository corruption.
For files that are unchanged since the parent snapshot, the backup command now
verifies that all parts of the files still exist in the repository. Parts that are
missing, e.g. from a damaged repository, are backed up again. This verification
was already run for files that were modified since the parent snapshot, but is
now also done for unchanged files.
Note that restic will not backup file parts that are referenced in the index but
where the actual data is not present on disk, as this situation can only be
detected by restic check. Please ensure that you run `restic check` regularly.
https://github.com/restic/restic/issues/2571
https://github.com/restic/restic/pull/2827