Hello,
From the hardware compatibility list please check if the drive is supported.
(title) Symantec Backup Exec for Windows Servers (tm) 9.x (9.0, 9.1) Hardware Compatibility List. Includes HCL information for supported drives, libraries, virtual tape devices, fibre-channel HBAs, switches, routers/bridges, and iSCSI components. For printing purposes, the latest version of Acrobat is recommended.
http://support.veritas.com/docs/282347
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