Compaq StorageWorks TL881/TL891 Family MiniLibrary System Reference Guide (July 2000)

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Compaq StorageWorks TL881/TL891 Family MiniLibrary System Reference Guide
Compaq Confidential – Need to Know Required
Writer:
Bob Young
Project:
Compaq StorageWorks TL881/TL891 Family MiniLibrary System Reference Guide
Comments:
Part Number:
127510-002
File Name:
b-ch1 System Description.doc
Last Saved On:
7/12/00 10:42 AM
Table 1-8
Base Module Tape Capacities
Model Cartridge Magazine
Capacity
Full Magazine
Uncompressed
1
Full Magazine
Compressed
2
TL881 DLTtape IV 10 200 GB 400 GB
TL891DLX DLTtape IV 10 400 GB 800 GB
TL891 DLTtape IV 10 350 GB 700 GB
1
Native capacities, uncompressed.
2
Maximum capacities given assume average 2:1 compression. Actual
compression varies with file content. The native capacity for a full Base
Module magazine is 10 times the native capacity per cartridge; for Expansion
and Data Units it is 16 times the native capacity per cartridge.
Table 1-9
Expansion Unit and Data Unit Tape Capacities
Drive Series Cartridge Full Magazine
Native
1
Full Magazine
Compressed
2
DLT4000 DLTtape IV 320 GB 640 GB
DLT7000 DLTtape IV 560 GB 1120 GB
DLT8000 DLTtape IV 640 GB 1280 GB
1
Native capacities, uncompressed.
2
Maximum capacities given assume average 2:1 compression. Actual
compression varies with file content. The native capacity for a full Base
Module magazine is 10 times the native capacity per cartridge; for Expansion
Unit and Data Unit, it is 16 times the native capacity per cartridge.
Media Life
The media used in the MiniLibrary is rated by the media manufacturer at over
one million head passes, and a shelf life of at least 30 years.