A company is running IBM Tivoli Storage Manager (TSM) V5.5 on Windows. There are plans to replace the old hardware and software with completely new systems. The new planned TSM platform is Linux. In the old environment there are two TSM instances running. What is the best way to upgrade to a new TSM V6.2 system?

A.
Set up the new system and start new backups on all clients.

B.
Back up the database on the old system, restore it on the new system, and then upgrade the database withdsmupgdx to IBM DB2.

C.
Install the new software on the old system, perform the upgrade to IBM DB2 with theutlility dsmupgdx, back up the database, and restore the database on the new system.

D.
Install TSM V6.2 on the new system, initialize the instances withdsmicfgx, and export and import server to server all definitions from the old system to the new one.