Tape Device Ready Conditions
Introduction:
Note: Determine if the system has logical partitions. Go to “Determining if the
System Has Logical Partitions” on page 943, before continuing with this
procedure.
All the conditions that are listed for the device must be correct for the device to be
ready.
Note: If the device is not ready, use the Action column or other instructions and go
to the service information for the specific tape device.
Table 16. Tape Device Ready Conditions
Storage Device Ready Description Action
2440
v Power switch is set to the On
position.
v Power light is on.
v Tape is loaded.
v Status display shows A 0.
v On-line light is on.
See the IBM 2440 Magnetic Tape
Subsystem Operator’s Manual
G571-0149, for instructions on
making the tape unit ready. If you
cannot make the tape unit ready, go
to the “MAPs” section of the IBM
2440 Magnetic Tape Subsystem Service
Guide , G571-0166.
3422/3430
v Power switch is set to the On
position.
v Power light is on.
v Enable/Disable switch is set to the
Enable position.
v Tape is loaded.
v Ready light is on.
See the 3422 Magnetic Tape Subsystem
Operator’s Guide , SA32-0090, or 3430
Magnetic Tape Subsystem Operator’s
Guide , SA32-0079, for instructions on
making the tape unit ready.
3480/3490
v Power switch is set to the On
position.
v Power light is on.
v DC Power light is on.
v Control unit On-line switch is set
to the On-line position.
v Control unit Normal/Test switch is
set to the Normal position.
v Control unit channel
Enable/Disable switch is set to the
Enable position.
v Tape unit On-line/Off-line switch
is set to the On-line position.
v Tape is loaded.
v Tape unit displays Ready U or
Ready F.
See the 3480 Magnetic Tape Subsystem
Operator’s Guide , SA32-0066, or 3490
Magnetic Tape Subsystem Operator’s
Guide , SA32-0124, for instructions on
making the tape unit ready.
Tape Unit PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 463
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