StorageTek 9840 - Manual (Page 221)

95741 Sixth Edition A-5
Cartridge Tape Specifications
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Cartridge Tape Specifications
Table A-5 shows the specifications for the cartridge tapes to be inserted into the
9840 Tape Drive.
CAUTION:
Do not degauss 9840 Tape Drive cartridges. Servo tracks are written on
the tape at the factory. When these tracks are mistakenly erased, the
cartridge tape must be discarded.
Table A-5. Cartridge Tape Specifications
Characteristics Values
Type STK1R data cartridge,
StorageTek PN 310319401 271 m (889 ft) physical length
251 m (823 ft) recordable length
9
µ
m tape thickness
288 tracks
Advanced metal particle
Type STK1U cleaning cartridge,
StorageTek PN 310324601 Good for about 100 cleanings. Estimated
usage: 1 cleaning per drive every two days.
Dimensions 125 x 109 x 25.9 mm
(4.92 x 4.29 x 1.00 in.)
Data Compression LZ-1 Enhanced, 4:1 Ratio
Note: Individual results may vary depending on the characteristics of the
data and other variables.
Capacity 20 GB uncompressed
Archival Life 15 to 30 years
Media Durability
Short length
Long length
80,000 write/read passes minimum
6,500 write/read passes minimum
Load/Unloads 10,000 minimum
Uncorrected bit error rate,
including those caused by
media defects 1 in 10 18 bytes
Permanent Errors Zero
Weight 0.26 kg (9.17 oz)