What level of verify job are you running (data or the other one, can't
recall name), and are you using accurate mode?

I got verify failures in the past when I was verifying old jobs with the
verify option that isn't data, or when I verified with level=data and
accurate=yes. The message I got was similar to yours - verify failure and
no files listed as bad.

The verify job type I can't recall is only for verifying the most recent
job. It checks file consistency and catalog information on the volume to be
sure it is the most recent. Obviously a backup that isn't the most recent
in the chain will have outdated catalog information, so that level of
verify will fail.

The gotcha here is that a data level verify ran with accurate=yes is
equivalent to the other type of verify - it will then check volume catalog
entries in addition to file integrity.

For any job which you cannot be certain is the most recent job, I recommend
level=data and accurate=no. Must specify jobid and run for each job.

Alternative is to run the other type of verify after each backup job, or at
least while that job is the newest and most recent job.

Robert Gerber
402-237-8692
r...@craeon.net

On Fri, Nov 10, 2023, 7:41 AM Justin Case <jus7inc...@gmail.com> wrote:

> Hi there,
>
> I am doing a verify for each backup job. The verify happens no immediately
> after the backup, but on the same day for sure.
>
> For some hosts I do have verify differences, and for FDs version 9.x I get
> reports on which files that, so I am able to exclude them from the fileset.
>
> However, FDs version 11.x and 13.x do not report the files that are
> generating the differences (and an according bug report is open for 8
> months already:
> https://gitlab.bacula.org/bacula-community-edition/bacula-community/-/issues/2670
> ).
>
> I would like to exclude the files that are generating differences on
> machines runnid FD 11.x and 13.x, too, but I have no good idea how to
> determine which files that are. (Using FD 9.x is not an option for these
> machines, as either not available, not supported, or the machines have
> "special needs” regarding connection directions, i.e. due to firewalls the
> default connection initiation directions do not work - an this can be
> remediated using FD 11.x and higher)
>
> Does someone have an idea how I could efficiently determine, which files
> are generating the verify differences?
>
> ATB
>  JC
>
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