Specifications

Specifications

TABLE 1-1provides a comparison of tape drive specifications.

TABLE 1-1Tape Drive Specifications

 

LTO2

LTO3

LTO4

 

 

 

 

Physical Specifications

 

 

 

 

 

 

 

Height

8.25 cm (3.25 in.)

8.25 cm (3.25 in.)

8.25 cm (3.25 in.)

 

 

 

 

Width

14.6 cm (5.75 in.)

14.6 cm (5.75 in.)

14.6 cm (5.75 in.)

 

 

 

 

Length (depth)

21.38 cm (8.4 in.)

21.38 cm (8.4 in.)

21.38 cm (8.4 in.)

 

 

 

 

Weight

2.1 kg (4.6 lb)

2.24 kg (4.94 lb)

2.24 kg (4.94 lb)

 

 

 

 

Performance Specifications

 

 

 

 

 

 

 

Capacity (native)

200 GB

400 GB

800 GB

 

 

 

 

Transfer rate (native)

30 MB/s

80 MB/s

120 MB/s

 

 

 

 

Streaming range (native)

13.7 to 35.6 MB/s

27 to 80 MB/s

40 to 120 MB/s

 

 

 

 

Data Buffer size

64 MB

128 MB

128 MB

 

 

 

 

Number of tracks

512

704

896

 

 

 

 

Load to ready *

15–24 sec

19 sec

19 sec

 

 

 

 

Access time-average (to first file)

64–75 sec

72 sec

62 sec

 

 

 

 

Tape speed (meters per second)

5.50 m/s

5.32 m/s

7.0 m/s

 

 

 

 

Tape read/write speed

6.20 m/s

5.32 m/s

6.20 m/s

 

 

 

 

Rewind time (maximum/average)

104/52 sec

98/49 sec

124 sec

 

 

 

 

Unload time

13–19 sec

19 sec

19 sec

 

 

 

 

Cleaning time

 

58 to 152 sec

 

 

 

 

 

Interface Support (SCSI)

Ultra3 SCSI (LVD)

Ultra-320 (LVD)

Ultra-320 (LVD)

(Fibre Channel)

FC1

FC2

FC4

 

 

 

 

MTBF (100% duty cycle)

250,000 hrs

250,000 hrs

250,000 hrs

 

 

 

 

Media/Format Compatibility

 

 

 

 

 

 

 

Read

LTO1, LTO2

LTO 1, 2, 3

LTO 2, 3, 4

 

 

 

 

Write

LTO1, LTO2

LTO2, LTO3

LTO3, LTO4

 

 

 

 

Note: HP drives support the LTO standard for backward compatibility, which is to write back one generation and read back two generations.

Power

Consumption

38 W

35 W

30 W

 

 

 

 

Interface Codes:

Fibre Channel: FC1 = Fibre Channel 1Gb, FC2 = Fibre Channel 2Gb, FC4 = Fibre Channel 4Gb

Note: * Encryption-capable and un-initialized WORM cartridges can take longer to load.

316196601 • Revision: A

Chapter 1 Introduction 3

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Sun Microsystems HP LTO4 manual Physical Specifications, Performance Specifications, Media/Format Compatibility, Power