Hello,
I've been trying to configure a FileSet that will only back up
specific file extensions, but I seem to be misunderstanding the syntax of
the FileSet records.
By searching the archives, I found the following FileSet example
from someone else in the same situation. In my effort to back up only
certain file extensions (and exclude everything else by default) I came up
with a very similar FileSet definition myself (only I'm specifying
tarballs instead of M$ Office documents):
FileSet {
Name = "std_workstation_lite"
Include {
Options {
wild = "*.doc"
wild = "*.xls"
compression = GZIP
signature = MD5
}
Options {
# match all files not matched by wild above
exclude = yes
}
File = "c:/Documents and Settings/"
}
}
I'll explain in my own words what I believe this definition does,
so that my mistakes may be easy to point out. To begin, the online manual
states (with regard to filesets) a critical piece of information:
"An Options resource that does not contain a wild directive is assumed to
match any filename. This is important to understand, because once Bacula
determine that the Options matches the file under consideration, that
file will be saved without looking at any other Options resources that
may be present."
First, the FileSet (example above) determines that "c:/Documents
and Settings/" is to be backed up (recursively by default), contingent on
the declared Options resources.
The first listed Options resource states that any .xls or .doc
files will have GZIP compression applied, and will be fingerprinted with an MD5
signature. If files with these two extensions are found, then the Options
resource has a successful match, and the files are backed up after the
options are applied (no more Options resources need be consulted - the
manual says so).
The second Options resource doesn't have any wild or regex, so we
know that it matches ALL files (again, the manual says so). Additionally,
it has 'exclude' set to 'yes', meaning that any matching files will be excluded
from the backup. Finally, since Bacula will never consider this Options
resource for .xls or .doc files (due to the first Options resource
successfully matching them), then we must infer that all files except
those will be excluded from the backup.
In practice, this type of configuration results in all files being
backed up, no matter what their extension, even though the FileSet
appears to be configured properly. I'd very much like to know what I'm
doing wrong here - your consideration in this matter is much appreciated!
Thanks,
-David Fuchs
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