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1-18 Chapter 1
Library Overview
Drive and Media Specifications
Table 1-9 DLT Drive Specifications
Description Quantum DLT 8000
Performance
Read/write transfer rate:
maximum sustained (DLT
Type IV media)
• Non-compressed mode:
6.0 MB/second
• Compressed (2:1 typical):
12.0 MB/second
Burst transfer rate 20 MB/second
Average access time 60 seconds
Loading time to BOT
(for previously written tape)
37 seconds (average)
Unloading time from BOT 17 seconds (average)
MTBF 250,000 hours
Interface type • Low-Voltage Differential (LVD)
Fast wide SCSI
• High-Voltage Differential (HVD)
Fast wide SCSI
Table 1-10 DLT Media Specifications
Characteristic DLT Type IV Media
Formatted capacity DLT 8000 format:
• 40 GB (non-compressed)
• 80 GB (2:1 typical compression)
Basic description 0.5 inch (metal particle)
Tape length 557 meters (1828 feet)
Cartridge dimensions 10.4 x 10.4 x 2.5 cm
(4.1 x 4.1 x 1.0 in)