ServerNet Cluster Manual

Contents

ServerNet Cluster Manual—520575-003

6. Adding or Removing a Node

Stopping ServerNet Cluster Services 5-33

Switching the SNETMON or SANMAN Primary and Backup Processes 5-34

6. Adding or Removing a Node

Adding a Node to a ServerNet Cluster 6-1

Removing a Node From a ServerNet Cluster 6-2

Moving a Node From One ServerNet Cluster to Another 6-4

Moving ServerNet Cables to Different Ports on the ServerNet II Switches 6-5

Expanding or Reducing a Node in a ServerNet Cluster 6-11

Splitting a Large Cluster Into Multiple Smaller Clusters 6-11

7. Troubleshooting and Replacement Procedures

Troubleshooting Procedures 7-1

Troubleshooting Tips 7-1

Software Problem Areas 7-3

Hardware Problem Areas 7-6

Troubleshooting the Cluster Tab in the TSM Service Application 7-9

Online Help for the Guided Procedures 7-11

Using TSM Alarms 7-12

Troubleshooting SNETMON 7-17

Troubleshooting MSGMON 7-19

Troubleshooting SANMAN 7-20

Troubleshooting Expand-Over-ServerNet Line-Handler Processes and

Lines 7-21

Checking Communications With a Remote Node 7-23

Methods for Repairing ServerNet Connectivity Problems 7-23

Automatic Fail-Over for Two-Lane and Four-Lane Links 7-25

Checking the Internal ServerNet X and Y Fabrics

7-26

Checking the External ServerNet X and Y Fabrics

7-29

Using the Internal Loopback Test Action 7-30

Using SCF to Check Processor-to-Processor Connections 7-31

Finding ServerNet Cluster Event Messages in the Event Log 7-31

MSEB and ServerNet II Switch LEDs 7-33

Replacement Procedures 7-35

Replacing an MSEB 7-35

Replacing a PIC in a ServerNet II Switch 7-35

Replacing a PIC in an MSEB 7-36

Replacing a Fiber-Optic Cable Between an MSEB and a ServerNet II

Switch 7-36

Replacing a Fiber-Optic Cable in a Multilane Link 7-37