BackupExec implies Windows.  IMHO Cumulative incrementals are not useful in 
Windows as they produce unexpected results.  Read up on the archive bit.  You 
can make it work, but the trade-off is performance.

I agree with staggering the Full.  But I also agree with one of the other 
replies that you should do a nightly Full of critical data if you can get away 
with it.  The questions are:  How critical are these systems?  and/or Why did 
someone setup nightly Fulls to begin with?


----Original message----
Haven't used BackupExec but for most backup solutions nightly FULLs is
overkill.  Typically what you want to do is a FULL once a week for
things that don't change frequently (e.g. operating system components,
applications binaries) then do incrementals or cummulativeincrementals
the rest of the week to get the few things that might change.   Also in
this scenario you wouldn't need to do the FULL on every system on the
same night - you could stagger the FULL throughout the week.



I imagine BackupExec allows for incrementals but not sure if it allows
for cummulativeincrementals.   The difference is the former only gets
what changed since the last backup (be it a full or a prior incremental)
whereas the latter gets everything that changed since the last full.


-- 
Joe Royer / Sr. SysAdmin / Digital Motorworks / 512-692-1028


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