Руководство Пользователя для Spectra Logic nastape 100
Appendix A. Specifications
74
Sony AIT Specifications
Drive Specifications
The following table summarizes the specifications for Sony AIT drives.
Media Specifications
The table below lists the capacities of the different types of AIT tape cartridges.
Environmental Specifications
The table below lists the environmental specifications of AIT tape cartridges.
Parameter
AIT-2 Specification
a
a.
All specifications are subject to change without notice.
AIT-3 Specification
a
MTBF
300,000 hours @ 100% duty cycle
400,000 hours @ 100% duty cycle
Average file access time
Less than 27 seconds
Less than 27 seconds
Uncorrectable error rate
Less than 1 x 10
-17
bits
Less than 1 x 10
-17
bits
Sustained transfer rate
b
b.
Compression thoughput and capacity depends on the type of data.
6 MB/sec native (15 MB/sec compressed)
12 MB/sec native (31 MB/sec compressed)
Burst transfer rate
c
c.
The actual burst data transfer rate is limited by the performance of the SCSI host bus adapter, the SCSI bus interface controller, and
the buffer control hardware of the drive.
the buffer control hardware of the drive.
40 MB/sec Synchronous maximum
160 MB/sec Synchronous maximum
Tape Type
Length
Capacity
a
a.
All specifications are subject to change without notice.
AIT-2 (SDX2-36C)
170 meters
36 GB native (94 GB compressed with ALDC)
AIT-2 (SDX2-50C)
230 meters
50 GB native (130 GB compressed with ALDC)
AIT-3 (SDX3-100C)
230 meters
100 GB native (260 GB compressed with ALDC)
Factor
a
a.
All specifications are subject to change without notice.
Operating Environment
Operating temperature
b
b.
The upper limit applies to the drive, not to the NAStape. Be sure there is adequate air flow around NAStape at all times.
+41°F to +104°F
(+5°C to +40°C)
Operating humidity
20% to 80% non-condensing
Maximum wet bulb temperature
+77°F (+25°C)