1.-  TS7650 migrates data to phyiscal tape. This process duplicates data.
2.-  If you need to restore one volume from Tapecopystgpool to 
TS7650primarypool then the data duplicates won't store in TS7650. 



----- Mensaje original ----
De: Mehdi Salehi <iranian.aix.support AT GMAIL DOT COM>
Para: ADSM-L AT VM.MARIST DOT EDU
Enviado: mar,3 noviembre, 2009 15:34
Asunto: Restoring dedupped-backup from VTL

Hi,
If a TSM server is configured to use a TS7650 as lan-free storage pool, can
I migrate these de-duped virtual tapes to a traditional tape library to save
VTL disk space? If yes, what happens if I need to restore them later? I
mean, do I need TS7650 to re-generate original data from de-duped version
when restore is required in TSM?

Thanks