Power-ON display
When the library powers ON or resets, it goes through several internally controlled processes that allow
it to get initialized and running. These processes are called Power-On-Self-Test (POST). During the POST
the Operator Control Panel displays information that might be meaningless until POST is complete.
When the POST is finished, the library displays the Startup screen, then the Home screen.
The Startup screen is the first screen that displays after the library is powered ON. It contains the
following information:
v Firmware Rev: the current level of library firmware
v Drives: the total number of drives that the library can support
v Magazines: the total number of magazines in the library
v I/O station: the status of the I/O station
The Home screen example shows that the Accessor and Drives 1 through 3 are OK as shown by the
check marks in the Home screen. Drive 4 either has a problem, or is missing. The exclamation mark (!),
which shows that there is something wrong with drive 4 does not go away until the drive is either fixed,
or is replaced. Then, the explanation mark becomes a check mark.
Note about the front panel LEDs
All LEDs are updated during power ON and reset sequences. Upon power ON or software reset, the
library illuminates all LEDs as soon as POST allows. When initialization starts, all LEDs are extinguished
and the Ready/Activity LED flashes at a rate of approximately one second per cycle. When the
mechanical initialization is complete, the Ready/Activity LED stops flashing and be constantly
illuminated.
If a library failure occurs, the Ready/Activity LED turns OFF and the Error LED illuminates. The
Operator Control Panel also displays an error code to help identify the failure.
More operational details of LEDs:
v The Ready/Activity LED is illuminated any time that the unit is powered ON and functional. The
Ready/Activity LED flashes whenever there is library or drive activity. This LED also flashes when the
unit is offline.
v The Clean LED is illuminated when either a cleaning that is requested or a cleaning required flag is
issued by the drive. The LED is turned off after a successful drive cleaning operation.
v The Attention LED indicates one of the following conditions.
Figure 8. Power-ON screens
20 IBM TS3100 Tape Library and TS3200 Tape Library: Setup, Operator, and Service Guide Machine Type 3573
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