IBM 9228 Service Guide - Page 159

zxx through Bzxx, Attention, Save Changes, FFFF or other code not listed

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9zxx through Bzxx (SAS bus error caused by cables, termination, defective drives, or a similar problem) 1. Isolate between the SAS subsystem and the controller by disconnecting all SAS cables from the suspected adapter, and restart the computer. Attention: Do not press F5. Doing so changes the computer configuration. If an ISPR error remains, complete the following steps until the error is corrected: a. Reseat the controller. b. Replace the controller. Note: If the adapter or controller detects a configuration change. Do not select Save Changes. Instead, press F10 to bypass any options to this effect. 2. If the ISPR error is EF10 after the cables are disconnected, complete the following steps: a. Identify which channel is causing the error according to the second digit (z) of the original ISPR code as indicated in the following table. Table 9. SAS identifier SAS channel code (z) 1 2 3 4 5 6 7 8 9 A B C D E F Channels Channel 1 Channel 2 Channel 1 and 2 Channel 3 Channel 1 and 3 Channel 2 and 3 Channel 1, 2, and 3 Channel 4 Channel 1 and 4 Channel 2 and 4 Channel 1, 2, and 4 Channel 3 and 4 Channel 1, 3, and 4 Channel 2, 3, and 4 Channel 1, 2, 3, and 4 b. Confirm that the channels that are identified from the error in step 2a are the cause of the error by making sure that the error occurs only when the suspected channel is reconnected. c. Check the termination of the identified channel. d. If the computer has hard disk drive status cables, make sure that the cables are connected correctly. Reconnect all cables that you removed in step 1. e. Disconnect one drive at a time from the channel that was identified in step 2a; then, restart the computer to determine which drive is causing the error. f. Reconnect the SAS cable. g. Reconnect the SAS backplane. FFFF or other code not listed Chapter 5. Diagnostics 141

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9zxx through Bzxx
(SAS bus error caused by cables, termination, defective drives,
or a similar problem)
1.
Isolate between the SAS subsystem and the controller by disconnecting all SAS
cables from the suspected adapter, and restart the computer.
Attention:
Do not press F5. Doing so changes the computer configuration.
If an ISPR error remains, complete the following steps until the error is
corrected:
a.
Reseat the controller.
b.
Replace the controller.
Note:
If the adapter or controller detects a configuration change.
Do not
select
Save Changes
. Instead, press F10 to bypass any options to this effect.
2.
If the ISPR error is EF10 after the cables are disconnected, complete the
following steps:
a.
Identify which channel is causing the error according to the second digit (z)
of the original ISPR code as indicated in the following table.
Table 9. SAS identifier
SAS channel code (z)
Channels
1
Channel 1
2
Channel 2
3
Channel 1 and 2
4
Channel 3
5
Channel 1 and 3
6
Channel 2 and 3
7
Channel 1, 2, and 3
8
Channel 4
9
Channel 1 and 4
A
Channel 2 and 4
B
Channel 1, 2, and 4
C
Channel 3 and 4
D
Channel 1, 3, and 4
E
Channel 2, 3, and 4
F
Channel 1, 2, 3, and 4
b.
Confirm that the channels that are identified from the error in step 2a are the
cause of the error by making sure that the error occurs
only
when the
suspected channel is reconnected.
c.
Check the termination of the identified channel.
d.
If the computer has hard disk drive status cables, make sure that the cables
are connected correctly. Reconnect all cables that you removed in step 1.
e.
Disconnect one drive at a time from the channel that was identified in step
2a; then, restart the computer to determine which drive is causing the error.
f.
Reconnect the SAS cable.
g.
Reconnect the SAS backplane.
FFFF or other code not listed
Chapter 5. Diagnostics
141