ServerNet Cluster 6780 Operations Guide (G06.28+, H06.05+)

Troubleshooting and Replacement Procedures
ServerNet Cluster 6780 Operations Guide—525606-003
3-6
Hardware Problem Areas
ServerNet
cable (SEB to
SEB, SEB to
MSEB, or
MSEB to
MSEB)
Internal fabric
communication
1. Use OSM to check for alarms and repair
actions for the Internal Fabric resource. See
Using OSM Alarms on page 3-11.
2. To get more information, perform SCF and
OSM diagnostic actions. See Checking the
Internal ServerNet X and Y Fabrics on
page 3-20.
3. Check that all ServerNet cables between
enclosures within a system are securely
connected.
4. Refer to the CSSI Web site.
(Start>Programs>HP CSSI Web>CSSI Web.)
Fiber-optic
ServerNet
cable (switch-
to-node or
switch-to-
switch)
External fabric
communication
problem
1. Use OSM to check for alarms and repair
actions for the External Fabric resource, the
switch-to-node port and the switch-to-switch
port. See Using OSM Alarms
on page 3-11.
2. Perform the Node Connectivity ServerNet Path
Test. See Checking the External ServerNet X
and Y Fabrics on page 3-23.
3. Check that the fiber-optic ServerNet cables are
securely connected between the MSEBs in
group 01 and the X- and Y-fabric switch-to-
node ports.
4. Check the link-alive LEDs. See MSEB LEDs
on
page 3-26.
6780 Switch Any 1. Use OSM to check for alarms and repair
actions for the Switch Module. See Using OSM
Alarms on page 3-11.
2. Check the LEDs on the different components of
the 6780 ServerNet Switch. See LEDs on the
6780 Switch on page 3-27
3. Check the display on the 6780 ServerNet
Switch. See Logic Board Display on the 6780
Switch on page 3-28
4. See Replacing a 6780 Switch
on page 3-32.
Wrong Numeric
Selector Setting
alarm.
Follow the repair actions to set the numeric selector
correctly. If your cluster uses the long-distance
option, see Appendix E, Numeric Selector Settings
for the Long-Distance Option.
Table 3-2. Hardware Problem Areas (page 2 of 4)
Problem Area Symptom Recovery