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96154 • Revision K 125
APPENDIX
B
Drive Bay Locations
The SL8500 library features automatic detection of drives that are added or replaced.
There are four types of addressing schemes for drives:
■ Bay address (the physical location)
■ Internal address (assigned by the library firmware)
■ HLI-PRC (Host LMU Interface - panel, row, column address assigned by the host
software)
■ System addresses (assigned by the operating system)
Bay Address
The drive bay address is a two-digit number (01-64) representing the physical locations
into which drive tray assemblies are inserted. The bay number of a drive is strictly
internal to the library, defined by a drive’s position within a drive array. A drive is
automatically assigned a number from 1– 64 by the library controller after the drive is
installed and the library is re-initialized.
A decal on the rear of the Drive and Electronics Module depicts the bay numbers, as
shown in TABLE B-1 on page 125. The bay numbers indicate the physical location of
drives. You have to be familiar with the bay numbers to locate a drive to perform a
manual mount (see “Manual Mode of Operation” on page 59).
TABLEB-1 Drive Bay Address
Rail Number Drive Bay Assembly Number 4
1
Drive 61 Drive 62 Drive 63 Drive 64
Drive 57 Drive 58 Drive 59 Drive 60
Drive 53 Drive 54 Drive 55 Drive 56
Drive 49 Drive 50 Drive 51 Drive 52
Rail Number Drive Bay Assembly Number 3