ServerNet Cluster Manual
Troubleshooting and Replacement Procedures
ServerNet Cluster Manual—520575-003
7-5
Software Problem Areas
The TSM Service 
Application shows 
the remote node 
name as 
\Remote_Node_\n
nn, where nnn is 
the Expand node 
number.
Verify that the Expand-over-ServerNet line-
handler processes between the local node and 
the remote node are up. See Troubleshooting 
Expand-Over-ServerNet Line-Handler 
Processes and Lines on page 7-21.
ServerNet 
Communication
The TSM Service 
Application shows 
the remote node 
name as 
\UNKNOWN_Re
mote_\Node_n, 
where n is the 
ServerNet node 
number.
Verify that SNETMON is operating properly on 
the remote node. See Troubleshooting 
SNETMON on page 7-17.
The TSM Service 
Application shows 
the Switch-to-
Node link as X | Y 
Fabric_to_\nnn, 
where nnn is the 
Expand node 
number.
Verify that the Expand-over-ServerNet line-
handler processes between the local node and 
the remote node are up. See Troubleshooting 
Expand-Over-ServerNet Line-Handler 
Processes and Lines on page 7-21.
The TSM Service 
Application shows 
the Switch-to-
Node link as X | Y 
Fabric_to_\Node_
n, where n is the 
ServerNet node 
number.
Verify that SNETMON is operating properly on 
the remote node. See Troubleshooting 
SNETMON on page 7-17.
Communication 
between a cluster 
switch and a local 
or remote node is 
disrupted.
Use TSM to check for alarms and repair actions 
for the Switch-to-Node link. See Using TSM 
Alarms on page 7-12.
Expand-Over-
ServerNet Line-
Handler Processes 
and Lines
Communication 
between the local 
node and a 
remote node is 
disrupted.
See Troubleshooting Expand-Over-ServerNet 
Line-Handler Processes and Lines on 
page 7-21.
Table 7-1. Software Problem Areas  (page 3 of 3)
Problem Area Symptom Recovery










