HP Ultrium Drive - Manual (Page 24)

Reliability 24
9 Reliability
Description Specification
MTBF (100% duty cycle) 250,000 hours
Load/unload life 100,000 swaps
MSBF (automation swaps) 100,000 swaps
Head life (typical) 60,000 hours
Media durability 1,000,000 passes
Maximum cartridge uses 20,000 threads
Backup failure rate <0.1%
Restore failure rate <0.001%
Interchange failure rate <0.1%
Uncorrectable error rate
1 in 10
17
bits
Undetected error rate
1 in 10
27
bits
Tape pulling life (5 years at 100% duty cycle) 43,800 hours