Re: [Bacula-users] incremental backups too large

Subject:

From:

Mark <bacula-list AT nerdish DOT us>

To:

bacula-users AT lists.sourceforge DOT net

Date:

Thu, 13 Jan 2011 14:32:58 -0600

On Thu, Jan 13, 2011 at 4:42 AM, Bart Swedrowski <bart AT timedout DOT org> wrote:

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 |

Have you done a 'list files jobid=<some job>' for one of your incrementals? Maybe you have a few really large files that are getting changed every day, and therefore getting backed up each day. I have no such behavior from bconsole, my incrementals show only the small amount of change that I'd expect:

273 Full 23,002 2.278 G OK 05-Jan-11 03:23 Backup-dev3

276 Incr 422 21.52 M OK 06-Jan-11 03:28 Backup-dev3

279 Incr 104 17.43 M OK 07-Jan-11 03:38 Backup-dev3

282 Incr 306 24.18 M OK 08-Jan-11 03:47 Backup-dev3

285 Incr 74 17.41 M OK 09-Jan-11 03:18 Backup-dev3

288 Incr 151 17.80 M OK 10-Jan-11 03:20 Backup-dev3

292 Incr 158 18.30 M OK 11-Jan-11 03:53 Backup-dev3

295 Diff 151 17.53 M OK 12-Jan-11 03:31 Backup-dev3

298 Incr 145 1.001 M OK 13-Jan-11 03:27 Backup-dev3

(the 'list jobs' output also shows the small numbers for incrementals, but the output of 'status client' fits into 80 columns better : )

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