↓ When the hardware self-test does not end successfully, the following
conditions occur:
v The three status lights do not go off.
v The Ready and Read-Write lights go off.
v The Disturbance light blinks approximately once per second.
Possible failing parts are:
v If the 8mm tape drive is a type 6390, the possible failing part is the
6390 Tape Drive.
v If the 8mm tape drive is a type 7208, the possible failing parts are:
a. 7208 Tape Drive
b. Power supply
c. AMD
Go to “TU-PIP3”.
This ends the procedure.
10. The read self-test and hardware self-test ended successfully.
Was the user’s original tape identified as the probable cause of failure?
Yes No
↓ Go to “TU-PIP3”.
This ends the procedure.
11. Perform the following:
a. Mark and date the data cartridge to indicate that it failed with a
permanent error.
b. Discard this data cartridge when:
v Volume statistics (if available) indicate a problem with the data
cartridge.
v A total of three permanent errors have occurred with the same data
cartridge.
c. If possible, continue operations with a new data cartridge.
Go to “TU-PIP3”.
This ends the procedure.
TU-PIP3
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.
Note: If the system has logical partitions, perform this procedure from the logical
partition that reported the problem.
When you are directed to this procedure, you may need to exchange a failing part.
You determined the failing part from one of the following:
v Other problem isolation procedures
Tape Unit PIPs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 451
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