> On 13 May 2015, at 07:20, Radosław Korzeniewski <rados...@korzeniewski.net> > wrote: > > I appear to be seeing the same problem with CentOS 6 / CentOS 6 combinations: > > > OS versions doesn't matter. What is important: Bacula Dir/SD vs. File Daemon > versions. The supported configuration require Dir/SD in the same version > every time and FD not newer.
I should have been clearer. I meant that I was apparently seeing the same
problem on at least one setup where the FD, DIR and SD versions were all the
same.
> I take your point, though, that the Director/SD should not be older than the
> clients, so I need to fix that. Fortunately the (virtual) machine running the
> Director and Storage daemons is dedicated to that task, so it should be
> relatively easy to build a new CentOS 7 machine to get 5.2.13.
>
> Recommended version in May 2015 is Bacula 7.0.5, not 5.2.13.
I understand that, but deploying 7.0.5 would be significantly harder in my
environment than moving to 5.2.13 so it would be something of a last resort.
I don't think you're saying that I need to move to the latest version to get
reliable backups, are you?
If anyone knew of a bug in 5.2.x (or for that matter in 5.0.x) that caused
differentials to be incomplete, I'd obviously feel differently (but then, I
imagine Red Hat would too, as 5.2.13 is what they are shipping in their most
recent release).
> I don't think I actually have a version mismatch problem (as I'm seeing the
> same issue with matched versions), but there are all sorts of reasons this
> might make my problem go away: there may be a bug in the version of 5.0
> shipped with RHEL/CentOS, or I may have a configuration problem. Either way,
> starting from scratch and transitioning clients over may help.
>
> First of all. Did you ever test that it is not working?
As stated, I have seen significant data loss when attempting to restore a
production system. This is not theoretical, although perhaps the subject line
led you astray.
> Differential backup does not backup a files which were deleted in the mean
> time. So in real system it is very unlikely (it must meet a specific
> conditions) you get the same number of files backed up in Incremental and
> Differential levels.
I don't believe this is the problem I'm seeing. For example, from my original
mail:
| 9,929 | srv-c701-backup | 2015-05-01 23:05:04 | B | I | 91,030 |
3,450,906,888 | T
| 9,938 | srv-c701-backup | 2015-05-02 23:05:03 | B | D | 112 |
2,184,302 | T
The 91,000 files in job 9929 were NOT all deleted before job 9938 was run, but
do not appear in that job.
-- Ian
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