You might be able to accomplish this with a short script that identifies
the large files, run it before every backup, and use its output as an
include list for your large-files job and an exclude list for your
small-files job.
Here is an example for which I've assumed your users are backing up
their data to /home and your definition of a "large" file is anything
larger than 1GB. Obviously, you should adjust these details fit your
situation.
Anyway, the script might look something like this:
#!/bin/sh
# generate_large_file_list.sh: Generates a list of files under /home
larger than 1GB
find /home -size +1G > /etc/bacula/largefiles.lst
Include a RunBeforeJob directive in the job definitions for both your
large-files and small-files jobs
RunBeforeJob = "/path/to/generate_large_file_list.sh"
Your large-files File Set would use the generated list as the primary
file list, like this:
FileSet {
Name = "LargeFiles"
Include {
Options {
...
}
File = "</etc/bacula/largefiles.lst"
}
}
And the small-files File Set would do the reverse -- it would use the
same list to tell bacula what NOT to back up, like this:
FileSet {
Name = "SmallFiles"
Include {
Options {
...
}
File = /home
}
Exclude {
File = "</etc/bacula/largefiles.lst"
}
}
- Cedric
Martina Mohrstein wrote:
> Sometimes Users placing a complete image Backup of their drives or big
> truecrypt containers on the filesystems that are backed up.
>
> Now I'm thinking of writing two backup Jobs with their own schedules.
> One for file smaller than a specific some with is run more frequently
> than the other job which backups only files that are bigger than that
> specific size.
> I knew that a complete recovery in this case for a complete directory
> is more difficult, but with these split jobs the needed amount of
> backup space will be much smaller than now.
>
> Regards Martina
>
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