Hello,
Please refer to the HCL and check if the drive is listed in it:
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
If its not listed, then install the OEM drivers and check the results.
Hope this helps you.
Regards
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pool.