Table 13 9840 Media Specifications

Characteristic

9840 Media

 

 

Capacity

■ 20 GB uncompressed

 

■ 40 to 80 compressed

 

Note: Compression ratio depends on many variables,

 

including the environment, operating system, and data

 

characteristics. Typical compression with Enhanced LZ-1

 

is 4:1.

 

 

Basic description

0.5 inch (metal particle)

 

 

Tape length

271 meters (889 feet)

 

 

Cartridge dimensions

125 x 109 x 25.88 mm

 

(4.92 x 4.29 x 1.00 in)

 

 

Shelf life

15 to 30 years

 

 

Cartridge life

■ Short-length durability:

 

80,000 passes minimum

 

■ Long-length durability:

 

6,500 passes minimum

 

■ Loads/unloads:

 

10,000 minimum

 

 

Cleaning cartridge life

100 uses

 

 

Environmental

 

 

 

Cartridge storage environment (archive)

 

Temperature

 

Relative humidity

5° to 25.5° C (41° to 78° F)

Wet-bulb temperature

40% to 60%

 

26° C (78.8° F) maximum

 

 

Cartridge storage environment (non-

 

archive)

 

Temperature

5° to 32.2° C (41° to 90° F)

Relative humidity

5% to 80%

Wet-bulb temperature

26° C (78.8° F) maximum

 

 

176 9840 Drives and Tape Cartridges

Appendix A