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Advanced Rotational Robotics
StorageTek's libraries use advanced rotational robotics to move cartridges among the
CAP, storage cells, and drives inside the library. The space-efficient rotational robots use
less rack space per number of cartridges than most competing products.
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L20
The L20 picker, on a U-shaped track, contains a digital vision camera system. The U-
shaped track is attached to the floor of the library. The track enables the picker
mechanism to travel 180 degrees, thereby enabling the picker to access all cells in the
library. The library tracks cartridges by the volume serial numbers and associated cell
locations. The library defines the cartridge locations during the audit and stores the
information in two places: the library's memory and the tape management database. The
camera reads the bar code volume serial numbers on the cartridges and the library
calibration targets.
Figure 6-1. L20 Tape Library Internal View (L201_314)
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MT9104
Figure 6-1 on page 6-1
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Seventh Edition
shows the internal view of the L20 tape library.
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L201_314
6-1
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