On 01/13/2011 11:42 AM, Bart Swedrowski wrote:
> 2011/1/12 Kleber Leal <kleber.leal AT gmail DOT com>
>> Yes. The entire file is backed up again when gets modification.
>> Incremental backups include all modified files since last backup (Full,
>> Incremental ou differential). Incremental and differential are file based.
>> if you have a 100GB file and this was modified, it will be backed up and
>> will use this space again.
>
> I think what Lawrence meant was that say full backup takes 33GB, as
> the one below.
>
> | 1,089 | tic FS | 2011-01-08 02:05:03 | B | F |
> 464,798 | 33,390,404,320 | T |
>
> Now, if you do Incremental backup, it's going to be reported by
> bconsole as even bigger, eg.:
>
> | 1,097 | tic FS | 2011-01-09 02:05:03 | B | I |
> 6,573 | 39,758,701,241 | T |
> | 1,105 | tic FS | 2011-01-10 02:05:08 | B | I |
> 4,585 | 39,502,153,253 | T |
> | 1,113 | tic FS | 2011-01-11 02:05:02 | B | I |
> 4,585 | 39,808,375,917 | T |
> | 1,122 | tic FS | 2011-01-12 02:05:02 | B | I |
> 4,441 | 39,939,208,908 | T |
> | 1,130 | tic FS | 2011-01-13 02:05:03 | B | I |
> 7,584 | 40,036,714,059 | T |
>
> This is something that I don't have an answer for and I guess it's
> somewhere within the documentation and I have missed it. Logically to
> me would be to show only how much Incremental backup took space, not
> the total of the last full + incremental.
>
> Kind regards.
>
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First there's something adding data everyday, so that's why there's more and
more data.
You didn't tell us what kind of Incremental you do, so fileset definition could
help us.
(also basic information like OS bacula version, how it was installed (package,
self compilation)
If you have 5.0.3 I would recommend to use Accurate option.
Each time, we see that sort of question here, an anti-virus scan touching file
time was the culprit. ( or same kind of silly
script )
Check the documentation, to see how you can infuence Accurate or Incrememtal to
be more or less sensible to that time change.
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Bruno Friedmann (irc:tigerfoot)
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