Chris, you are quite right in your reasonning, and this also described the
same way in the User's guide.

Regards,

Rene Lambelet
Nestec SA - 55, Av. Nestle - CH-1800 Vevey
Tel: ++41'21'924'35'43 / Fax: ++41'21'924'45'89
E-Mail: rene.lambelet AT nestle DOT com



> -----Original Message-----
> From: Jordan, Chris (ELS) [SMTP:c.jordan AT ELSEVIER.CO DOT UK]
> Sent: Tuesday, October 05, 1999 12:20 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Exchange agent and versions kept
>
> At the present time we have the Exchange agent set to keep 7 versions.
> These
> 7 versions are set both in the Backup Copy group and on the "AutoDelete
> IfOlder than 7" on the client. We can, therefore, restore from the
> Exchange
> server any of these last 7 versions.
>
> However, looking at the contents of various tapes, it seems that ADSM is
> actually keeping the Exchange backups for much longer - like about 2
> months.
>
> Experimenting, we reduced the "Retain deleted versions" and "Retain only
> version" to 7 (they were set to 60 days), and then expired the inventory.
> All of the older versions of the backups were then deleted (and we freed
> up
> 9 tapes in the on-site library!).
>
>
> The Exchange Agent sends each backup to ADSM with a unique name - based on
> the date of the backup. Therefore (our reasoning based on the
> experimenting)
> these older backups are counted as "deleted" by the ADSM server, and were
> being kept for 60 days. Now we have set the deleted days to match the
> number
> of versions we have a better level of data vs restore capability.
>
> Is this reasoning correct??
>
> Cheers, Chris