Library environmental specifications, Acoustics, Hp storageworks ultrium tape drive comparisons – HP EML E-series Tape Libraries User Manual

Page 105: 30 library environmental specifications, 31 acoustics, 32 hp storageworks ultrium tape drive comparisons, Table 32

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Library environmental specifications

Table 30 Library environmental specifications

Measurements

Item

Operating

Storage

Transporting

Temperature

+10 to +35ºC

nl

(+50 to +95ºF)

+10 to +40ºC

nl

(+50 to +104ºF)

-40 to +60ºC

nl

(-40 to +140ºF)

Humidity

20 to 80%

10 to 95%

10 to 95%

Wet bulb (maximum,

noncondensing)

+29.2ºC (+84.5ºF)

+35ºC (+95ºF)

+35ºC (+95ºF)

Altitude

76 to 4,500 m (-250 to 15,000 ft)

Acoustics

Table 31 Acoustics

Item

Operating

Idle

Sound power

7.5 Bels (A)

7.5 Bels (A)

Sound pressure Bystander

position

7.5 Bels (A) (60 dB)

7.5 Bels (A)

HP StorageWorks Ultrium tape drive comparisons

Table 32 HP StorageWorks Ultrium tape drive comparisons

Characteristic

Ultrium 460

Ultrium 960

Ultrium 1840

Capacity (native)

200 GB

400 GB

800 GB

Transfer rate (native)

Up to 30 MB/sec

1

Up to 80 MB/sec

1

Up to 120 MB/sec

1

Data rate matching

10–30 MB/sec

27–80 MB/sec

40–120 MB/sec

Host interfaces

2 Gbps FC

2 Gbps FC

4 Gbps FC

Head channels

8

16

16

Bit density

7.40 Kb/mm (188

Kb/inch)

9.64 Kb/mm (244.9

Kb/inch)

13.52 Kb/mm (343.4

Kb/in)

Number of tracks

512

704

896

Length

609 m

680 m

820 m

WORM support

No

Yes

Yes

Compatibility

Read

Ultrium Generation 1, 2

Ultrium Generation 1, 2,

3

Ultrium Generation 2, 3,

4

Write

Ultrium Generation 1, 2

Ultrium Generation 2, 3

Ultrium Generation 3, 4

1

HP classifies the performance of the HP StorageWorks Ultrium drives as 1000 x 1000 bytes per second (that is, in base

10) in common with most other disk and tape drive vendors. Most applications, however, measure performance as 1024

x 1024 bytes per second.

Enterprise Modular Library E-Series

105

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