Hello Luc,
I think there is a misunderstooding here.
On Mon, May 18, 2015 at 3:28 AM, Luc Van der Veken <luc...@wimionline.com>
wrote:
> Hi,Kern,
>
>
>
> Do you mean that exactly as you say it,
>
> “FD that is more recent that the Dir and the SD […] is a big problem”?
>
> I thought it was the other way around, that a FD _*older*_ than dir/SD
> would cause problems.
>
>
“FD that is more recent that the Dir and the SD […] is a big problem”
This is exactly what Kern said. Older versions of FD working with newer Dir
and SD vesions are not a problem. Instead, "FD more recent than Dir and SD"
are.
>
>
> The way you say it here, the FD Bacula Systems provides for community
> users would force everyone who wants to add Windows clients to an existing
> configuration, to upgrade his dir and SD to 7.0.5.
>
FD versions older than Dir and SD are not a problem. I have a 5.2.10
Windows client working with a 7.0.5 Dir and SD. If you have 5.2.10 windows
clients (the most recent community version), you should have Dir and SD
running at least version 5.2.10.
Regards,
Ana
>
>
>
>
> *From:* Kern Sibbald [mailto:k...@sibbald.com]
> *Sent:* 13 May 2015 18:13
> *To:* Ian Young; Radosław Korzeniewski
> *Cc:* bacula-users
> *Subject:* Re: [Bacula-users] confused about differentials
>
>
>
>
> We have never had any version of Bacula in which Differential backups were
> incomplete. Running with a FD that is more recent that the Dir and the SD
> or a Dir and SD that are not identical is a big problem. Until that is
> fixed it doesn't make much sense to speculate about any odd behavior.
> Also, if you are doing something very unusual in your FileSet or using
> multiple FileSets in your backup, there could be a configuration problem or
> perhaps even an undiscovered bug, but the first thing to do is correct any
> possible version problems you have.
>
> Best regards,
> Kern
>
> On 13.05.2015 15:18, Ian Young wrote:
>
>
>
> 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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