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Michael Eischer
2024-02-04 18:09:32 +01:00
parent 261b1455c7
commit a72c2b74f3
5 changed files with 29 additions and 19 deletions
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changelog/unreleased/issue-4529
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@@ -1,14 +1,18 @@
Enhancement: Verify data integrity before upload
Enhancement: Add extra verification of data integrity before upload
Hardware issues or a bug in restic could cause restic to create corrupted files
that were then uploaded to the repository. Detecting such corruption usually
required explicitly running the `check --read-data` command.
Hardware issues, or a bug in restic or its dependencies, could previously cause
corruption in the files restic created and stored in the repository. Detecting
such corruption previously required explicitly running the `check --read-data`
or `check --read-data-subset` commands.
To prevent the upload of corrupted data to the repository, restic now
additionally verifies that files can be decoded and contain the correct data
beforehand. This increases the CPU usage during backups. If absolutely
necessary, you can disable the verification using the option
`--no-extra-verify`.
To further ensure data integrity, even in the case of hardware issues or
software bugs, restic now performs additional verification of the files about
to be uploaded to the repository.
These extra checks will increase CPU usage during backups. They can therefore,
if absolutely necessary, be disabled using the `--no-extra-verify` global
option. Please note that this should be combined with more active checking
using the previously mentioned check commands.
https://github.com/restic/restic/issues/4529
https://github.com/restic/restic/pull/4681