Specifications
Escala Tower PL & S, E, T System Hardware
Chapter 5: Disks and Media 54/62
9es3s1c5.doc
Rev 5.9
02/12/03
4.2.13. DLT 7000 Tape Drive (MTSG017)
Discontinued: 31/10/2001.
The DLT 7000 Tape Drive is a high-performance, high capacity, streaming 1/2" cartridge tape product
designed for use on midrange and high-end systems.
Characteristics
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External Table Top - 5"1/4 form factor - 1/2" tape drive
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35GB capacity per cartridge, 70GB typical with 2:1 data compression ratio
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Differential interface (up to 25m connection)
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Tape cartridge available
CompacTape IV (20GB and 35GB native formatted data)
CompacTape III (2.6, 6.0 and 10GB native formatted data depending on selecting)
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SCSI-2 differential interface - wide connection
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Data transfer rate: 5.0MBytes/second native, 10MB/s in compression mode (with 2:1 ratio)
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Quad channel read/write
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Maximum block size of 16MBytes
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Read/write data cache of 8MBytes
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Tape mark directory to maximize throughput and to minimize data access tie
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Timing characteristics:
Tape speed: 160 inches/sec on read/write - 175 inches/sec on search and on rewind
Average rewind time: 60 sec
Average access time: 60 sec
Load to BOT: 37 sec for tape already used
Unload from BOT: 17 sec
Warning:
The CompacTape III (2.6GB, 6GB and 10GB) and the CompacTape IV (20GB) can be only "on read".
The CompacTape IV (40GB) can be "on read" or "on write".