HP OpenVMS Cluster Systems

Chapter 10
10	Maintaining an OpenVMS Cluster System
10.1	Backing Up Data and Files
10.2	Updating the OpenVMS Operating System
10.2.1	Rolling Upgrades
10.3	LAN Network Failure Analysis
10.4	Recording Configuration Data
10.4.1	Record Information
10.4.2	Satellite Network Data
10.5	Controlling OPCOM Messages
10.5.1	Overriding OPCOM Defaults
10.5.2	Example
10.6	Shutting Down a Cluster
10.6.1	The NONE Option
10.6.2	The REMOVE_NODE Option
10.6.3	The CLUSTER_SHUTDOWN Option
10.6.4	The REBOOT_CHECK Option
10.6.5	The SAVE_FEEDBACK Option
10.6.6	Shutting Down TCP/IP
10.7	Dump Files
10.7.1	Controlling Size and Creation
10.7.2	Sharing Dump Files
10.8	Maintaining the Integrity of OpenVMS Cluster Membership
10.8.1	Cluster Group Data
10.8.2	Example
10.9	Adjusting Packet Size for LAN or IP Configurations
10.9.1	System Parameter Settings for LANs and IPs
10.9.2	How to Use NISCS_MAX_PKTSZ
10.9.3	How to Use NISCS_UDP_PKTSZ
10.9.4	Editing Parameter Files
10.10	Determining Process Quotas
10.10.1	Quota Values
10.10.2	PQL Parameters
10.10.3	Examples
10.11	Restoring Cluster Quorum
10.11.1	Restoring Votes
10.11.2	Reducing Cluster Quorum Value
10.12	Cluster Performance
10.12.1	Using the SHOW Commands
10.12.2	Using the Monitor Utility
10.12.3	Using HP Availability Manager
10.12.4	Monitoring LAN Activity
10.12.5	LAN or PEDRIVER Fast Path Settings
Appendix A
Appendix A	Cluster System Parameters
A.1	Values
Appendix B
Appendix B	Building Common Files
B.1	Building a Common SYSUAF.DAT File
B.2	Merging RIGHTSLIST.DAT Files
Appendix C
Appendix C	Cluster Troubleshooting
C.1	Diagnosing Computer Failures
C.1.1	Preliminary Checklist
C.1.2	Sequence of Booting Events
C.2	Satellite Fails to Boot
C.2.1	Displaying Connection Messages
C.2.2	General OpenVMS Cluster Satellite-Boot Troubleshooting
C.2.3	MOP Server Troubleshooting
C.2.4	Disk Server Troubleshooting
C.2.5	Satellite Booting Troubleshooting
C.2.6	Alpha Booting Messages (Alpha Only)
C.3	Computer Fails to Join the Cluster
C.3.1	Verifying OpenVMS Cluster Software Load
C.3.2	Verifying Boot Disk and Root
C.3.3	Verifying SCSNODE and SCSSYSTEMID Parameters
C.3.4	Verifying Cluster Security Information
C.4	Startup Procedures Fail to Complete
C.5	Diagnosing LAN Component Failures
C.6	Diagnosing Cluster Hangs
C.6.1	Cluster Quorum is Lost
C.6.2	Inaccessible Cluster Resource
C.7	Diagnosing CLUEXIT Bugchecks
C.7.1	Conditions Causing Bugchecks
C.8	Port Communications
C.8.1	LAN Communications
C.8.2	System Communications Services (SCS) Connections
C.9	Diagnosing Port Failures
C.9.1	Hierarchy of Communication Paths
C.9.2	Where Failures Occur
C.9.3	Verifying Virtual Circuits
C.9.4	Verifying LAN Connections
C.10	Analyzing Error-Log Entries for Port Devices
C.10.1	Examine the Error Log
C.10.2	Formats
C.10.3	LAN Device-Attention Entries
C.10.4	Logged Message Entries
C.10.5	Error-Log Entry Descriptions
C.11	OPA0 Error-Message Logging and Broadcasting
C.11.1	OPA0 Error Messages
C.12	Integrity server Satellite Booting Messages
Appendix D
Appendix D	Sample Programs for LAN Control
D.1	Purpose of Programs
D.2	Starting the NISCA Protocol
D.2.1	Start the Protocol
D.3	Stopping the NISCA Protocol
D.3.1	Stop the Protocol
D.3.2	Verify Successful Execution
D.4	Analyzing Network Failures
D.4.1	Failure Analysis
D.4.2	How the LAVC$FAILURE_ANALYSIS Program Works
D.5	Using the Network Failure Analysis Program
D.5.1	Create a Network Diagram
D.5.2	Edit the Source File
D.5.3	Assemble and Link the Program
D.5.4	Modify Startup Files
D.5.5	Execute the Program
D.5.6	Modify MODPARAMS.DAT
D.5.7	Test the Program
D.5.8	Display Suspect Components