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Installation
Drive performance specifications
The following table lists the performance specifications for the Viper 200 drive.
Specification
Capacity
Ultrium type A (609 m)
Ultrium type B (319 m)
Ultrium type C (203 m)
Ultrium type D (87 m)
Recording density
Flux density
Track density
Error recovery
Recording unrecoverable errors
Recording undetectable errors
Tape drive type
Head configuration
Recording format
Recording method
Transfer rate (sustained)
Synchronous transfer rate (burst)
Asynchronous transfer rate (burst)
Cartridge load and tape thread
Cartridge unload
Average rewind time (609-m tape)
Maximum rewind time (609-m tape)
Average data access time (609-m tape)
Maximum data access time (609-m tape)
Average rewind time (609-m tape)
Maximum rewind time (609-m tape)
Tape speed
Value
100 Gbytes (native)
50 Gbytes (native)
30 Gbytes (native)
10 Gbytes (native)
3,660 RLL-encoded ONEs per mm
3,660 flux transitions per mm
3 tracks per mm
Read-after-write
Reed Solomon ECC (2 levels)
17
< 1 in 10
data bits
27
< 1 in 10
data bits
LTO (Ultrium)
16 thin-film write heads
16 MR read heads
8 MR servo heads
During operation 8 write heads, 8 read
heads and 2 servo heads are active at the
same time.
Ultrium 8-channel (U-18)
(1,7) RLL
16.137 Mbytes/second (max, native)
80 Mbytes per sec max
40 Mbytes per sec max
<10 seconds
3 seconds
< 76 seconds
152 seconds
< 76 sec
152 sec
< 76 sec
152 sec
up to 4 meters per second
9
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