On Wed, May 12, 2010 at 03:03:55PM -0400, gbkyle wrote:
> 
> I have listed below our current scenarios and actions we would like to take 
> in the event of this scenario. I was wondering if this is possible with 
> NetBackup, or possibly even an existing tool or script.
> 
>       Scenario \      Action
> 1     0kB File on location to restore to \    Overwrite File
> 2     File on Location to Restore to Has newer modification date than that is 
> on Tape \       Do Not Overwrite
> 3     File on location to Restore to has older Modification date than that is 
> on the Tape \   Overwrite File
> 4     File Does Not Exist     \ Write File

Possible, yes.  Not sure how easy or efficient it would be.

All the information needed to make that decision can be found from
bplist/bpflist (both can show mtime from file at time of backup) and by
scanning the actual filesystem.  You could have a script look at the
catalog and the filesystem and create a list of files that you want to
restore, and make the restore overwrite unconditionally.

That part seems reasonable, but parsing the stuff from the catalog would
take a bit of work.  The thing I don't know is how well NBU would deal
at the end with a restore request and a file listing with *lots* of
files.  Assuming that part is fine, this is doable.

Good luck!

-- 
Darren
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