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HP OpenVMS Systems Documentation
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HP OpenVMS Cluster Systems
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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

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