TP-00347-01 87
Error Codes
4. The library then prompts the user to enter the number of cycles to run the test. The
maximum is 10 cycles.
5. The library opens the mailslot and prompts
the user to insert a scratch tape.
6. The user inserts a scratch tape into
the mailslot. If the mailslot is disabled or the user closes
the mailslot without inserting a tape into it, the library performs a shortened version of the
test, skipping step 7.
7. The library loads the scratch tape into the
first tape drive, then unloads it and returns it to
the mailslot. If the user selected to test both the tape drives (if present), the library loads the
scratch tape into each tape drive before returning it to the mailslot.
8. The next test expects to find a tape in each of
the top row corner slots of the two magazines.
The library moves each tape to the tape drive load point and then returns it to its slot. If none
of the top-row corner slot positions contains a tape, the test stops and the library displays
an error message.
9. If additional cycles remain to be run, the test returns
to step 7 if there is a tape in the mailslot
or step 8 there is not.
10. At the conclusion of the test, th
e library opens the mailslot and waits for the user to remove
the scratch tape.
11. The library displays the test completion status, including any recoveries or errors that may
have occurred.
Error Codes
Error Messaging
The internal error messaging between the different modules and tasks contain the following
information:
•Error code
• Sub error code
• Affected source element
• Affected target element
• Additional information depending
on context and error code
Error Message Format
The error message format is a fixed 4-byte length with the following content:
•Error type
•Error code
• Sub error code
• Internal code (active command code)
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