I had to do this. In my case, I have Netware clients that have just about every problem in the book. (They are known Legato bugs. Nothing I can do about them)One of them is savesets restarting themselves after completing. Rather than wait another hour for it to complete after everything else finishes, I kill the backup, restart the database on the server, then restart the backup with only the index.
When 15 extra minutes of downtime can mean a loss of $100,000, you have to do what you can. I am pushing to dump this backup solution and explore other options. Netware service is horrible, even with client version 4.2.