Tim,

You can also set up different management classes for your
incremental backups. Look in chapter 3 of the 5.2.1 User's Guide
under a section titled:
   "Data Protection for Exchange Version 5.2.1 INCLUDE/EXCLUDE Processing"
It explains how to set this up.

Thanks,

Del

----------------------------------------------------

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 10/06/2004
11:36:24 AM:

> We are using Data Protection for Exchange 5.2.1.0 to backup Exchange
2000.
>
>
>
> We currently do nightly Full backups and have the TSM policy with Retain
> Extra Versions = Retain Only Versions = 35.
>
>
>
> We are looking into doing incremental backups throughout the day to
provide
> for better protection.  We currently have transaction logs and the
Exchange
> DB on separate physical disks both RAID10.  We would need a lot of
drives to
> fail to lose any data here - but we are also looking at recovering from
some
> type of logical corruption where both the logs and the DB are corrupt so
we
> would have to resort to the last backup.
>
>
>
> We really don't want or need to keep the incrementals that are done
> throughout the day for more than a couple of days.
>
>
>
> It seems the way to do this would be to change Retain Only to say 2 days
but
> leave Retain Extra at 35.  This way full backups would be kept for 35
days
> but incrementals would only be kept for 2 days.
>
>
>
> Does this make any sense?
>
>
>
> Is there any other way to do what we are trying to do?
>
>
>
> Are there downsides to this besides that any incremental that we do is
no
> good after 2 days?
>
>
>
> Thanks for any input.
>
>
>
> Tim Rushforth
>
> City of Winnipeg