Virtual TapeServer 6.04.01 Installation Guide

148 | Hardware Information for Legacy Installations
SCSI converters
Each SCSI converter converts high-voltage differential (HVD) Ultra160/SCSI-3 to low-voltage
differential (LVD) Ultra-2 SCSI. It provides up to four converter circuits. Here is a picture of
the back of the SCSI converter:
Internal storage
If the VT5900-C, VT5900-E, or VT5900-G was purchased, additional internal storage may
have been purchased for storing virtual tapes. The following additional internal storage
models were available:
• VT5904-A, which provided one internal disk drive of 146GB storage space
• VT5904, which provided six internal disk drives of 146GB each
• VT5904-B, which provided one internal disk drive of 300GB
External disk storage
If VTS model VT5900-A or VT5900-C is installed, the following hardware may have been
installed for external disk storage.
• VT5905, which is s built on the StorageWorks MSA 1000 and provides a 2TB storage
array. Up to four VT5905 may have been installed with VTS depending on the VTS model.
• VT5906, which is built on the StorageWorks Modular 4314 and available if additional
storage was needed after purchasing and installing the VT5905. Up to two of these could
have been installed per VT5905. The VT5906 provided a 2TB storage array: