IBM FlashSystem 900, Service Manual

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3746-900 Diagnostic Requirements
3746 Model 900 Diagnostic Requirements
If you want to run diagnostics you must first ensure that the area to be tested by the diagnostics is cor-
rectly disabled, from customer resources.
The following list gives the prerequisite to be able to run test on specific 3746-900 area.
For tests available for each 3746-900 area refer to “3746-900 Diagnostics Invocation” on page 3-2.
AREA WHERE YOU SHOULD GO
ALL Only very rarely should it be necessary to run all diagnostics. If the customer is
using the machine, consider if it is really necessary to run all. If so ask the cus-
tomer to stop using the machine and go to “MAP 6010: How to run 3746-900
Diagnostic in Offline Mode” on page 3-43.
CBC To run the diagnostic in concurrent mode the CBC must be reseted. Refer to
“MAP 6000: How to run 3746-900 Diagnostic in Concurrent Mode” on
page 3-17.
CBSP/CBSP2 To run the diagnostic in concurrent mode the CBC must be reseted. Refer to
“MAP 6000: How to run 3746-900 Diagnostic in Concurrent Mode” on
page 3-17.
CLP No specific requirement.
CS The 3746-900 must be set in Offline mode. Refer to “MAP 6010: How to run
3746-900 Diagnostic in Offline Mode” on page 3-43
CSCE The 3746-900 must be set in Offline mode. Refer to “MAP 6010: How to run
3746-900 Diagnostic in Offline Mode” on page 3-43
ESCC/ESCC2 To run the diagnostic in concurrent mode the ESCC must be disabled: Refer to
“MAP 6000: How to run 3746-900 Diagnostic in Concurrent Mode” on page 3-17
or refer to “MAP: 3746-900 ESCC/ESCC2 Disabling” on page 1-142. After diag-
nostic the ESCC must be enabled again, follow the procedure “MAP 6000: How
to run 3746-900 Diagnostic in Concurrent Mode” on page 3-17 or refer to “MAP:
3746-900 ESCC/ESCC2 Enabling” on page 1-144.
ESCP/ESCP2 To run the diagnostic in concurrent mode the ESCC must be disabled: Refer to
“MAP 6000: How to run 3746-900 Diagnostic in Concurrent Mode” on page 3-17
or refer to “MAP: 3746-900 ESCC/ESCC2 Disabling” on page 1-142. After diag-
nostic the ESCC must be enabled again, follow the procedure “MAP 6000: How
to run 3746-900 Diagnostic in Concurrent Mode” on page 3-17 or refer to “MAP:
3746-900 ESCC/ESCC2 Enabling” on page 1-144.
LCPB/LCPE/ARC No specific requirement.
LIC11 No specific requirement.
LIC12 No specific requirement.
LIC16 No specific requirement.
MAE No specific requirement for specific device of the MAE. For the complete test of
the MAE no customer traffic, refer to “MAP 6030: How to Run the Selective IML
on the Multiaccess Enclosure” on page 3-51.
TIC3 No specific requirement.
TRP No specific requirement. except for testing of TRP with CBC attached where it is
necessary to reset the CBC (see above) in concurrent mode.
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