IBM 8482 User Manual - Page 104

Zxx thru BZxx, Attention, Notes, Changes, SCSI Channel Code z, Descriptions

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9Zxx thru BZxx (SCSI bus error caused by cables, termination, defective drives, or similar problem) 1. Isolate between SCSI subsystem and controller by disconnecting all SCSI cables from suspect card, and restart. Attention: Do not press F5. Doing so changes the server configuration. If an ISPR error is still present, perform the following actions until the error is no longer present: a. Reseat the controller b. Replace the controller Notes: a. SCSI channel cable details, if any, appear elsewhere in this publication. b. The adapter/controller detects a configuration change. Do not select Save Changes. Instead, press F10 to bypass any options to this effect. 2. If ISPR error is EF10 after disconnecting cables: a. Identify which channel is causing the error by the second digit (Z) of the original ISPR code as indicated in the following table. Note: ServeRAID-4H controllers have 4 channels; ServeRAID-4L and -4Lx controllers have only one channel; and ServeRAID-4M and -4Mx controllers have 2 channels. ServeRAID-5i and ServeRAID-6i controllers have no channels. The ServeRAID-5i and ServeRAID-6i use the channel connectors of the onboard integrated SCSI controller. Table 2. SCSI identifier SCSI Channel Code (z) 1 Descriptions 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 identified from the error in step 2a are the cause of the error by verifying that the error presents itself only when the offending channel is reconnected. 94 xSeries 206 Type 8482 and 8487: Hardware Maintenance Manual and Troubleshooting Guide

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9Zxx thru BZxx
(SCSI bus error caused by cables, termination, defective drives, or
similar problem)
1.
Isolate between SCSI subsystem and controller by disconnecting all SCSI
cables from suspect card, and restart.
Attention:
Do not press F5. Doing so changes the server configuration.
If an ISPR error is still present, perform the following actions until the error is no
longer present:
a.
Reseat the controller
b.
Replace the controller
Notes:
a.
SCSI channel cable details, if any, appear elsewhere in this publication.
b.
The adapter/controller detects a configuration change.
Do not
select
Save
Changes
. Instead, press F10 to bypass any options to this effect.
2.
If ISPR error is
EF10
after disconnecting cables:
a.
Identify which channel is causing the error by the second digit (Z) of the
original ISPR code as indicated in the following table.
Note:
ServeRAID-4H controllers have 4 channels; ServeRAID-4L and -4Lx
controllers have only one channel; and ServeRAID-4M and -4Mx
controllers have 2 channels. ServeRAID-5i and ServeRAID-6i
controllers have no channels. The ServeRAID-5i and ServeRAID-6i
use the channel connectors of the onboard integrated SCSI
controller.
Table 2. SCSI identifier
SCSI Channel Code (z)
Descriptions
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 identified from the error in step 2a are the cause
of the error by verifying that the error presents itself
only
when the offending
channel is reconnected.
94
xSeries 206 Type 8482 and 8487: Hardware Maintenance Manual and Troubleshooting Guide