ServerNet Cluster Manual

Contents

ServerNet Cluster Manual—520575-003

5. Managing a ServerNet Cluster

Fallback for Merging Three Star Topologies to Create a Tri-Star Topology 4-89

Fallback for Merging a Split-Star Topology and a Star Topology to Create a Tri-Star

Topology 4-89

Reference Information 4-93

Considerations for Upgrading SANMAN and TSM 4-93

Considerations for Upgrading SNETMON/MSGMON and the Operating

System 4-95

Updating the Firmware and Configuration 4-97

Updating Service Processor (SP) Firmware 4-105

Updating the Subsystem Control Facility (SCF) 4-105

Part III. Operations and Management

5. Managing a ServerNet Cluster

Monitoring Tasks 5-1

Displaying Status Information Using the TSM Service Application 5-1

Running SCF Remotely 5-12

Quick Reference: SCF Commands for Monitoring a ServerNet Cluster 5-12

Displaying Information About the ServerNet Cluster Monitor Process

(SNETMON) 5-13

Checking the Status of SNETMON 5-14

Checking the Status of the ServerNet Cluster Subsystem 5-16

Checking ServerNet Cluster Connections 5-17

Checking the Version of the ServerNet Cluster Subsystem 5-17

Generating Statistics 5-18

Monitoring Expand-Over-ServerNet Line-Handler Processes 5-20

Monitoring Expand-Over-ServerNet Lines and Paths 5-20

Control Tasks

5-26

Quick Reference: SCF Commands for Controlling a ServerNet Cluster

5-27

SCF Objects for Managing a ServerNet Cluster 5-27

Starting the Message Monitor Process (MSGMON) 5-28

Aborting the Message Monitor Process (MSGMON) 5-28

Starting the External ServerNet SAN Manager Process (SANMAN) 5-29

Aborting the External ServerNet SAN Manager Process (SANMAN) 5-29

Restarting the External ServerNet SAN Manager Process (SANMAN) 5-30

Starting the ServerNet Cluster Monitor Process (SNETMON) 5-30

Aborting the ServerNet Cluster Monitor Process (SNETMON) 5-30

Starting ServerNet Cluster Services 5-31

When a System Joins a ServerNet Cluster 5-31