> The archive bit which the full and differential backups clear is a
> facility of the file system.  Whether you are running NTFS or EXT3 the
> archive bit is kept per file at the file system level.

I have never heard of ext3 (or any unix filesystem) with an archive
bit.  Did you mean NTFS and FAT? 

> It doesn't
> matter WHAT backup software you use to clear the archive bit,
> incremental backups will only backup files with the archive bit set and
> fulls will backup EVERYTHING.  The only difference is that full and
> differential backup RESET the archive bit if it is set.  Essentially,
> anytime you change a file (open it, save it) the archive bit gets set to
> "1" or "please back me up."  When a full or differential backup comes
> along it backs up the file and clears the archive bit.  This really has
> nothing to do with Netbackup or policies.  You can run simple backups
> via windows backup and it still uses the same archive bit.  At one point
> I was using WinZip to clear archive bits and rub remote backups while a
> tape library was down.

Or you can ask netbackup to not use the archive bit.

-- 
Darren Dunham                                           ddunham at taos.com
Senior Technical Consultant         TAOS            http://www.taos.com/
Got some Dr Pepper?                           San Francisco, CA bay area
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