We have 2 instances under OS/390. This allow us to implement 2 network
connections (CISCO CIP Cards), thus doubling the throughput for backups.
Slight advantage was cutting the DB size.

René Lambelet
Nestec S.A. / Informatique du Centre 
55, av. Nestlé  CH-1800 Vevey (Switzerland) 
*+41'21'924'35'43  7+41'21'924'28'88  * K4-117
email rene.lambelet AT nestle DOT com
Visit our site: http://www.nestle.com

        This message is intended only for the use of the addressee and 
        may contain information that is privileged and confidential.



> -----Original Message-----
> From: Lindsay Morris [SMTP:lmorris AT SERVERGRAPH DOT COM]
> Sent: Wednesday, May 09, 2001 7:22 PM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: Multiple TSM* Servers On Same Machine
> 
> Well, you're right.  Server consolidation is a good thing.
> 
> But I usually (for simplicity) try to have one machine with one TSM server
> doing all the work.  Why do you need several different instances of TSM on
> the same box?  Why not just have one instance?
> 
> 
> -----Original Message-----
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
> Jeff Bach
> Sent: Wednesday, May 09, 2001 12:22 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: Multiple TSM* Servers On Same Machine
> 
> 
> 1.      Less hardware to manage
> 2.      SCSI tape resources can be shared
> 3.      DISK resources can be moved between instances without an outage
> 4.      Multiple interfaces can be shared
> 5.      One TSM server license
> 6.      Can be implemented in a few hours
> 7.      Works around application bottlenecks
> 8.      Cheaper
> 
> DIS
> 1.      Harder to upgrade
> 2.      Memory allocation can be an issue
> 
> 
>         -----Original Message-----
>         From:
> Robert_K_Miller/Lancaster/Corporate/Armstrong AT ARMSTRONG DOT COM
> [SMTP:Robert_K_Miller/Lancaster/Corporate/Armstrong AT ARMSTRONG DOT COM]
>         Sent:   Wednesday, May 09, 2001 10:42 AM
>         To:     ADSM-L AT VM.MARIST DOT EDU
>         Subject:        Multiple TSM* Servers On Same Machine
> 
>         Hi all,
> 
>         Why would one put multiple TSM servers on a single machine?
>         What are the advantages and disadvantages? What are the
>         scenarios?
> 
>         History:
>         We have one AIX system with one TSM server with two libararies
> attached.
> 
>         Robert Miller
>         Armstrong
> 
> 
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