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Status Light
The status light (1 in Figure 9 on page 31) is a light-emitting diode (LED) that
provides information about the state of the Ultrium 2 Tape Drive. The light can be
green or amber, and (when lit) solid or flashing. Table 8 lists the conditions of the
status light and provides an explanation of what each condition means.
Table 8. Meaning of Status Light Activity
Color and Condition
of Status Light
Meaning
Off The tape drive has no power or is powered off.
Green/Solid The tape drive is powered on and is idle.
Green/Flashing The tape drive is reading from the tape, writing to the tape,
rewinding the tape, locating data on the tape, loading the tape, or
unloading the tape.
The status light also flashes green if the tape drive contains a
cartridge during the power-on cycle. In this case, the drive
completes POST and slowly rewinds the tape (the process may
take approximately 13 minutes). The light stops blinking and
becomes solid when the drive completes the recovery and is ready
for a read or write operation. To eject the cartridge, press the
unload button.
Amber/Solid The tape drive is powering on, is resetting, or is in maintenance
mode. For information about the functions that are available when
the drive is in maintenance mode, see “Selecting a Diagnostic or
Maintenance Function” on page 36.
Amber/Flashing One of the following applies:
v If the light flashes once per second, an error occurred and the
tape drive or media may require service. Note the code on the
single-character display, then go to Table 15 on page 67 to
determine the action that is required. If a solid C appears in the
single-character display, the drive needs cleaning.
v If the light flashes twice per second, the tape drive is updating
firmware. For more information, see “Updating the Firmware” on
page 45.
v If the light flashes once per second, the tape drive is updating
firmware. For more information, see “Updating the Firmware” on
page 45.
v If the light flashes twice per second, the tape drive detected an
error and is performing a firmware recovery. It resets
automatically.
32 IBM TotalStorage LTO Ultrium 2 Tape Drive