HP LTO-4 1840 Data access time from BOT, Rewind time from EOT, Rewind tape speed, Reliability

Models: LTO-4 1840

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QuickSpecs

HP StorageWorks Ultrium Full-Height Tape Drives

Technical Specifications

 

Data access time (from BOT)

46 seconds typical for LTO 2

 

 

media

 

 

52 seconds typical for LTO 3

 

 

media

 

 

62 seconds typical for LTO 4

 

 

media

 

Rewind time from EOT

< 124 seconds for LTO 4 media

 

 

< 102 seconds for LTO 3 media

 

 

< 92 seconds for LTO 2 media

 

Rewind tape speed

7 m/s for (LTO 3 and LTO 2

 

 

media)

 

Average load time

<19 seconds (RW)

 

 

22 seconds (WORM-initialized)

 

 

Uninitialized WORM media can

 

 

take up to 70 seconds

 

Average unload time

<19 seconds (RW)

 

 

22 seconds (WORM-initialized)

 

 

Uninitialized WORM media can

 

 

take up to 70 seconds

Security

Encryption

AES 256 bit

 

WORM media support

LTO 4 media

Reliability

MTBF

250,000 hours

 

 

at 100% duty cycle

 

Uncorrected Error Rate

1x10 17 bits read

Rewriteable Media

Read

LTO Ultrium 4

Compatibility

 

LTO Ultrium 3

 

 

LTO Ultrium 2

 

Write

LTO Ultrium 4

 

 

LTO Ultrium 3 [unencrypted]

WORM Media

Read

LTO Ultrium 4 WORM

Compatibility

 

LTO Ultrium 3 WORM

 

Write

LTO Ultrium 4 WORM

 

 

LTO Ultrium 3 WORM

46 seconds typical for LTO 1 and LTO 2 media

53 seconds typical for LTO 3 media

<98 seconds for LTO 3 media

<88 seconds for LTO 2 media

7 m/s for (LTO 3 and LTO 2 media)

<19 seconds (RW) 22 seconds (WORM)

<19 seconds (RW) 22 seconds (WORM)

n/a

LTO 3 media

250,000 hours

at 100% duty cycle 1x10 17 bits read

LTO Ultrium 3

LTO Ultrium 2

LTO Ultrium 1

LTO Ultrium 3

LTO Ultrium 2

LTO Ultrium 3 WORM

LTO Ultrium 3 WORM

DA - 11739 Worldwide — Version 31 — January 25, 2008

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HP LTO-4 1840 Data access time from BOT, Rewind time from EOT, Rewind tape speed, Average load time, Average unload time