A differential incremental is changes with respect to the previous
incremental, no?

A Cumulative incremental is changes with respect to the previous FULL.

Paul

> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu 
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of 
> Mark.Donaldson AT cexp DOT com
> Sent: August 5, 2005 11:27 AM
> To: rdgroot AT no.casema DOT nl; tstewart AT nibsc.ac DOT uk
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Separate Incremental and Full
> 
> Set the full with a 52-week frequency and a wide window, probably over
> several days.  Then do daily differential incrementals.  Each 
> daily will be
> changed files with respect to the 52-week full.  This backup 
> set will have
> to be kept for two years to guarentee a 1-year historical 
> restorability.