A Tape Drive Specifications
This chapter provides the technical specifications for the HP SureStore T4 tape
drive and lists part numbers for compatible tape cartridges, SCSI cables, and
accessories.
Interface
SCSI-2
Backup Speed
Data transfer rate
Tape speed
Retension time
Tape Format
Format
Media
Number of tracks
Bit density
Encoding method
Error Correction
Reliability Specifications
Hard error rate: <1 in 1015 bits read with Reed-Solomon ECC
Predicted mean time between failures:
Internal:
External:
Sustained: 514 KB/second
Burst: 3 MB/second
Read-write: 79 ips
Search/rewind: 120 ips
740-foot tape, 150 seconds
400-foot tape, 81 seconds
QIC-3095
Travan 4 high-capacity mini-cartridges (QIC-3095)
HP Colorado 5 GB tapes
QIC-Wide mini-cartridges (QIC-3095)
73
67,733 bpi
RLL1,7
Level-6 Reed-Solomon
250,000 hours
200,000 hours
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