IBM FlashSystem 900, Service Manual

Page: 430 / 546

Service Processor MAPs
How to run the 3746-900 Service Processor Link Restart
1. Set the 'service mode' to 'maintenance':
a. Press the 'Service mode' key until the
number '1' is displayed in the service
window.
b. Press the 'validate' key.
2. Start the test as follows:
a. Press the 'Function' key until the number
'6' is displayed in the function window.
b. Press the 'validate' key.
3. Observe the display and note the value of the
SRC displayed:
.
a. 05B0B0FD: Request sent
b. 05B0B0FE: Request rejected (TIC3
resource already actives, operator error)
c. 05B0B0FF: Request not received (time
out, CBSP failure).
4. On the display, note the value of the 'Service
processor not accessible' window.
The value can be:
¹
' ': Console accessible, the link is estab-
lished
¹
'*': Physical link not active
¹
'$': Disconnected at SSA level
¹
'A': 'OK' frame received on 'Hello' frame
¹
'B': Permanent beaconing
¹
'C': Connected at DLC level
¹
'D': Disconnected
¹
'E': Internal error
¹
'F': 'Hello' frame sent
¹
'G': Ring failure
¹
'H': Hardware error
¹
'I': Inserted
¹
'L': Lobe wire fault or Lobe media fault
¹
'N': Inserting on LANor retrying insertion
¹
'R': Link reset
¹
'T': Time out retries exhausted
¹
'U': TIC3 unplugged.
¹
'5': Congestion of CBSP during general
IML (transient problem)
5. If the 'Service processor not accessible'
window is not blank, note the control panel
code displayed on the 3746-900 front panel (if
one appears). Then go to “3746-900 Control
Panel Codes” on page 1-15 and follow the
procedure, or go to “MAP 2750: 3746-900
Permanent Service Processor Link Problem”
on page 2-94
6. Press the 'exit' key to quit this function.
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3746-900: Service Guide