> > I have had DD implemented for about a year now, but I fail to understand > why anyone would utilize the DD VTL license when using TSM? > > Mine are setup as a simple SAN device with defined directories that > correspond to my TSM primary storage pools. I have the device calss in > TSM set as the type "file" and let TSM manage the virtual volumes as it > would any other disk storage. There is another DD system that is located > at our DR facility, and all data including TSM DB backups are replicated > to that location. This allows me to no longer have copy pools. > > Rick
A not uncommon configuration, I have also used DD's of NFS for disk pools as well. Then only time I've seen them as VTL's is when LAN Free was required. I would however think again about not having a copy pool as you are leaving yourself open to TSM logically corrupting data and having no backup.
