ServerNet Cluster Manual

Troubleshooting and Replacement Procedures
ServerNet Cluster Manual—520575-003
7-4
Software Problem Areas
ServerNet
Communication
Communication
on an external
fabric is disrupted.
See Using the Fabric Troubleshooting Guided
Procedure to Check the Internal ServerNet
Fabrics on page 7-26 or do the following:
1. Use TSM to check for alarms and repair
actions for the External Fabric resource.
See Using TSM Alarms
on page 7-12.
2. Use the Node Connectivity ServerNet Path
Test. See Checking the External ServerNet
X and Y Fabrics on page 7-29.
Communication
on an external
fabric is disrupted
by:
•
BTE timeouts
•
CRC
checksum
errors
•
TPB errors
These symptoms
appear in event
messages or
statistics.
One of the fiber-optic cable connections might
be faulty. Reseat or replace the fiber-optic cable
connecting the MSEB with the ServerNet II
Switch. See Replacing a Fiber-Optic Cable
Between an MSEB and a ServerNet II Switch on
page 7-36.
ServerNet
Communication
Communication
with a remote
node is disrupted.
1. Use TSM to check for alarms and repair
actions for the Remote Node resource. See
Using TSM Alarms
on page 7-12.
2. Verify that SNETMON is operating properly.
See Troubleshooting SNETMON
on
page 7-17.
3. Verify that SANMAN is operating properly.
See Troubleshooting SANMAN
on
page 7-20.
4. Perform the Node Responsive Test. See
Checking Communications With a Remote
Node on page 7-23.
Table 7-1. Software Problem Areas (page 2 of 3)
Problem Area Symptom Recovery