IBM H3V, Setup, Operator, And Service Manual

Page: 40 / 141

The SCD Dot turns off when you obtain a dump (by using ITDT or a SCSI
command) or update the drive firmware.
Note: If the drive dump is stored in RAM memory (SCD Dot on solid), the dump
will be lost when you turn OFF the power or reset the drive.
Status Lights
The status lights (
2
,
3
in “Front panel of the drive” on page 1-2) are
light-emitting diodes (LEDs) that provides information about the state of the drive.
The Ready status light is green and the Fault status light is amber, and (when lit)
solid or flashing.
Mode SCD Ready LED (green) Fault LED (amber)
Operational blank On Off
Activity (tape movement)
in Operational Mode blank Flashing Off
Maintenance solid character Flashing On
Executing Maintenance
Selection flashing character Off On
Error Condition solid character Off Flashing
Power-On / Reset
Initialization random segments Off On
Table 3-1 lists the conditions of the status lights and Single-character Display (SCD)
and provides an explanation of what each condition means.
Table 3-1. Meaning of Status Lights and Single-character Display (SCD)
If the green
Ready Status
Light is...
and the amber
Fault Status
Light is...
and the SCD
is...
and the SCD Dot
is...
Meaning
Off Off Off Off The drive has no power or is powered off.
On Off Off Off The drive is powered on and in an idle state.
Flashing
(once per
second)
Off Off Off The 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.
Flashing
(once per
second)
Off Off Off If the drive contains a cartridge during the
power-on cycle, the drive completes POST and
slowly rewinds the tape (the process may take
up to ten minutes). The light stops blinking
and becomes solid when the drive completes
the recovery and ejects the cartridge.
Off On Displaying an
error code or
Maintenance
Mode Function
On/Off The drive is displaying error code(s) from the
error code log on the SCD. For more
information, see “Function Code 9: Display
Error Code Log” on page 3-15 and
Appendix A, “Error Codes and Messages,” on
page A-1.
3-2
TS2230 Tape Drive Setup, Operator and Service manual