Re: [Bacula-users] file set changes with accurate mode enabled

Hi Radoslaw,
Thank you very much for your answer.
I have one more in this regard. Can you please clarify it for me as well.
One of my File definitions looks like:
File = </usr/local/etc/bacula/some_file_name
In this case if I add some new lines to that file, bacula will not force Full backup and will not backup that new files if accurate mode is disabled.
I feel myself a little bit confused since in this situation bacula doesn't follow its logic of file set tracking. Looks like it just ignores such filesets while doing incremental backup and relies on a file set definition which was stored at the time of last Full backup. And Accurate mode magically solves this issue.
What do you think about this?

Best regards,
Pavel

-------- Original Message --------
Subject: Re: [Bacula-users] file set changes with accurate mode enabled
From: Radosław Korzeniewski <radoslaw AT korzeniewski DOT net>
To: Pavel Bychikhin <pbychikhin AT yahoo DOT com>
Cc: bacula-users <bacula-users AT lists.sourceforge DOT net>
Date: 13.05.2015 9:40

Hello,

2015-03-23 13:58 GMT+01:00 Pavel Bychikhin <pbychikhin AT yahoo DOT com>:

Hello Everyone,
I apologize for repeating my question but I've searched a lot and didn't
find any clarification and, unfortunately, didn't get any answer to my
previous question.
Does the accurate mode eliminate the need of file set changes tracking?

Why do you think it does?

Basically accurate mode is sending a list of files which were on previous backup (selecting a catalog for that) and a client is removing a filename from this list every time it backup a selected file. Then it is checking if rest of the files on the list is available, if not it is writing information to the backup stream that a particular file was deleted.

So, even with accurate mode you have a gap for files newly added in the FileSet which were not modified since last backup.

I don't have so much space for backup so for me it is essential not to
waste space for full backup if I added just few lines to the file set
definition.

Sorry, this is how it works.

So can you please confirm that it is safe to set "Ignore FileSet Changes
= yes" if I use Accurate mode?

No, I can't. It is not safe to use "Ignore FileSet Changes = yes" unless you are very sure what are you doing. The accurate mode doesn't matter in this case.

best regards
--

Radosław Korzeniewski
radoslaw AT korzeniewski DOT net

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