On Fri, Jan 6, 2012 at 12:19 PM, Daniel <dandadude AT gmail DOT com> wrote:
>
> I have started using backuppc at first with rsync, but backing up servers
> with millions of small files took very much time (days). This would be
> normal, but the incremental backups took almost the same time, which is not
> normal.

Rsync incrementals still compare the directories to detect deletions
and new files with old timestamps.  But it should still be much faster
than a full unless much of the data has changed since the previous
full.   Is there any way you can break the runs up into smaller ones
of separate directories?

> I have then read that I should use tar as backup method, because the
> incremental backups will be much faster. I have tested this and it is true,
> much-much-much faster!!!
> I have then realized that tar does not store deleted file information in the
> incremental backups which is a real pain in the *ss, because when my clients
> ask me to restore a state, they will surely hate me if I restore the deleted
> files too.
>
> Am I right that there is no way to keep track of deleted files?

Only rsync does it in backuppc.

> If yes, aren't there somekind of alternative ways? For instance a directory
> tree pre-script that uses catalogs? :-)
> The best would be if backuppc+tar could use catalog files or something.
> Or if backuppc would be able to utilize dar as a backup solution, now that
> would really be nice, because dar uses catalogs.
>
> Please comment on my problem!

GNUtar has a mechanism to track deletions and which files are included
(the --listed-incremental= option) but backuppc doesn't use it.

-- 
  Les Mikesell
    lesmikesell AT gmail DOT com

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