> Because of how our directory structure works we have about 510 seperate
> directories to backup. It seems even if nothing has changed in the directory
> amanda still creates an incremental backup of the directory. Because our tape
> drive has a long startup time it takes about 10 hours to complete the backups.
> Is there a way to configure amanda not to do an incremental dump if nothing
> has changed in a directory?
I'm afraid not. Amanda doesn't do backups. It drives
dump/tar/ufsdump/xfsdump/backup for that purpose. If these tools take
hours to decide nothing has changed you can't blame Amanda for it.
Maybe you want to check using calcsize instead of GNU tar. It's told be
a hell faster doing estimates.
