We use a 100 MBit FDDI backbone. But write directly to the tapes because we 
have to install more diskspaces. I think it depends on this. 

Thanks for the other tips.

Yours

Roland

> -----Ursprüngliche Nachricht-----
> Von:  Jordan, Chris (ELS) [SMTP:c.jordan AT ELSEVIER.CO DOT UK]
> Gesendet am:  Donnerstag, 14. Oktober 1999 15:27
> An:   ADSM-L AT VM.MARIST DOT EDU
> Betreff:      Re: need references for people using adsm for a large
> exchange in stallation
> 
> 4 GByte per hour sounds to me like you are at 10 MBit, not 100 MBit.
> 
> To get to 24 GByte per hour we:
>  - Made sure there is NO compression - compressing on the client does not
> make sense for Exchange agent data.
>  - Set the network ports (on the server, client and switch) to 100 FULL.
> Anything set to "automatic" could cause the speed to fall.
>  - Made sure the network was defined correctly - allow full 100MBit from
> client to server.
>  - Staggered the backups so that the Exchange servers were the only things
> at that time.
>  - Made sure we had Exchange V5.5 SP2, and the latest ADSM Agent.
>  - We back up to disk volume.
> 
> The ADSM server is also on NT - which some people would say is not ideal.
> But it handles what we need very well at present.
> 
> Cheers, Chris
> 
> -----Original Message-----
> From: Roland Bender [mailto:BENDERR AT ING.BOEHRINGER-INGELHEIM DOT COM]
> Sent: 14 October 1999 14:04
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: AW: need references for people using adsm for a large exchange
> in stallation
> 
> 
> Iam impressed. Our Exchange does 3,5 to 4 Gigabyte per hour! client and
> hardware compression enabled.
> 
> Gruß
> 
> roland
> 
> > -----Ursprüngliche Nachricht-----
> > Von:  Jordan, Chris (ELS) [SMTP:c.jordan AT ELSEVIER.CO DOT UK]
> > Gesendet am:  Donnerstag, 14. Oktober 1999 14:59
> > An:   ADSM-L AT VM.MARIST DOT EDU
> > Betreff:      Re: need references for people using adsm for a large
> > exchange in stallation
> > 
> > The ADSM agent for Exchange seems to be efficient, good and powerful.
> > It uses the standard MS Exchange API set to actually perform the backup
> -
> > and therefore there is no danger to the Exchange databases from a
> foreign
> > written application doing funny things to them.
> > It does not do brick-level backups - but you shouldn't be relying on
> these
> > anyway because of the problems with them.
> > 
> > It does things quick - because the database is treated as a large file
> by
> > ADSM. We typically get up to 24 GByte per hour when the Exchange server
> is
> > the only thing doing a back up at that time over a 100 MBit network.
> > 
> > Restore is the same as anything else using the Exchange API: Install NT
> +
> > service packs. Install Exchange + service packs. Restore the data and
> off
> > you go.
> > 
> > 
> > What to think about: What type of restores might you need to do?
> >  - A mail message: Make use of the Exchange "Keep deleted items", and
> set
> > this to the appropriate number (e.g. 10 days). This allows users to
> > restore
> > data without admins getting involved.
> >  - A mailbox: Required when an Exchange admin goes haywire. You need to
> > keep
> > about 5 days worth of backups to allow this. You also need to have a
> spare
> > Exchange server available to which you can restore the database onto.
> >  - A complete server: Needed if you have a Disaster Recovery situation.
> > You
> > need to keep about 2 days worth of backups off-site.
> > 
> > 
> > Cheers, Chris
> > 
> > -----Original Message-----
> > From: Gary Lee [mailto:glee AT GW.BSU DOT EDU]
> > Sent: 14 October 1999 13:46
> > To: ADSM-L AT VM.MARIST DOT EDU
> > Subject: need references for people using adsm for a large exchange
> > installation
> > 
> > 
> > We are considering using adsm to back up our exchange servers.
> > 
> > Currently adsmserver v3.1.2.40 on os/390 v1.3.
> > 8 exchange servers windows nt v4 sp4.
> > each server is a pentium 3 600 compaq.
> > total data approximately 30gb this year.
> > 
> > Potentially, we could grow to 200gb within 3 years.
> > 
> > I would like to correspond to anyone using adsm for an exchange cite
> > of this or similar scale.
> > 
> > Please respond via email or
> > 
> > phone 765-285-1310