ServerNet Cluster 6780 Operations Guide (G06.28+, H06.05+)
Troubleshooting and Replacement Procedures
ServerNet Cluster 6780 Operations Guide—525606-003
3-10
ServerNet Cluster Resource Missing From Tree
Pane
ServerNet Cluster Resource Missing From Tree Pane
The ServerNet Cluster resource appears in the tree pane of the OSM Management 
window if the external ServerNet SAN manager process (SANMAN) can communicate 
with at least one cluster switch. The ServerNet Cluster resource does not appear if 
SANMAN cannot communicate with a cluster switch.
Figure 3-1 shows the tree pane of the OSM Service Connection with the ServerNet 
Cluster resource selected.
If the local system is part of a ServerNet cluster, but the ServerNet Cluster resource 
does not appear in the tree pane:
1. Check that SANMAN is running. If it is not running, the ServerNet Cluster resource 
will not appear. Restart SANMAN if necessary. See Troubleshooting SANMAN on 
page 3-19.
If the ServerNet Cluster resource does not appear soon, try opening a new 
browser window and logging on again.
2. Check that the ServerNet cables are connected from the local node to the cluster 
switches.
3. Check that the cluster switches are powered and operating normally. For more 
information, refer to the ServerNet Cluster 6780 Planning and Installation Guide.
Figure 3-1. OSM Tree Pane Showing ServerNet Cluster Resource
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