Hi,

the 3584 tape library can be configured in several logical libraries.The 4 SCSI 
LTO1 drives can be configured
in the first logical library with the control path defined on the first SCSI 
LTO1 drive. The 4 FC LTO2 drives 
can be configured in the second logical library with the control path defined 
on the first FC LTO2 drive.
It is possible to configure two libraries within one TSM Server. For each 
logical library a deviceclass 
and a storagepool has to be defined.

best regards,
Kirsten Glöer

Forschungszentrum Karlsruhe GmbH
Institut für Wissenschaftliches Rechnen (IWR)
 
Hermann-von-Helmholtz-Platz 1          Tel.:         +49 (0)7247-82-8616
76344 Eggenstein-Leopoldshafen        Fax:         +49 (0)7247-82-4972
Deutschland                                      e-mail:     Kirsten.Gloeer AT 
iwr.fzk DOT de


-----Ursprüngliche Nachricht-----
Von: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] Im Auftrag 
von Neil Sharp
Gesendet: Freitag, 7. Oktober 2005 11:06
An: ADSM-L AT VM.MARIST DOT EDU
Betreff: [ADSM-L] Forcing certain nodes to use selective tape drives?


Can anybody help with the following problem?

I have a customer that currently has a 3584 tape library with 4 SCSI LTO1 tape 
drives configured to a AIX TSM 5.1.9 server. They have asked me to add an 
additional 4 LTO2 SAN attached drives to the same TSM server / library 
configuration. So in essence the one TSM server will now have 8 drives.

The question that I need to answer is this. Is it possible within the one TSM 
server to control which client backs up to which drive? The reason that I am 
asking this is that the customer wants to split their production backups to go 
to the new SAN drives, and their development backups to go to the SCSI drives.

My thoughts are that this is not possible from the one TSM server as TSM will 
pick a drive at random if all 8 drives are configured within the same library. 
I believe that the only way that this would be possible is to configure two TSM 
servers to share the same physical library (once it has been partitioned). Each 
TSM server will then be configured with a library a piece, each accessing 4 
drives. Backup nodes can then be assigned to the relevant TSM server.

Your comments / experience would be very much appreciated.

Regards