Hi Jan,
the file based deduplication is baed on checksums, so if a new file is stored
with the same name and file-size it will only be stored as a new file if the
checksum is different. If the checksum is different, a hard link will be used
to point at the already existing copy.
But these checksums are used for deduplication only and as far as I know there
is no additional integrity check, for example on a restore.
Honestly I don’t think it is really needed. I’m using a ZFS volume for backuppc
which has build in block level checksums for integrity.
Probably this is an option for you?
Kind regards
Andreas
> Am 02.01.2017 um 12:29 schrieb Jan Stransky <jan.stransky.c...@gmail.com>:
>
> Hi,
>
> does backuppc do some data integrity checks on stored files or files
> to-be-stored? Something like regular md5sum checks.
>
> Jan
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