Veritas Storage Foundation for Oracle RAC 5.1 PR1 Administrator's Guide - Linux

  • Modified Date:
  • Article ID:000002246


Table of Contents:
1. Overview of Veritas Storage Foundation for Oracle RAC
About Veritas Storage Foundation for Oracle RAC
Benefits of SF Oracle RAC
How SF Oracle RAC works (high-level perspective)
Component products and processes of SF Oracle RAC
Communication infrastructure
Cluster interconnect communication channel
Low-level communication: port relationship between GAB and processes
Cluster Volume Manager (CVM)
Cluster File System (CFS)
Oracle Disk Manager
Veritas Cluster Server
Oracle RAC
RAC extensions
About preventing data corruption with I/O fencing
About SCSI-3 Persistent Reservations
About I/O fencing operations
About I/O fencing communication
About I/O fencing components
About CP server
2. Administering SF Oracle RAC and its components
Administering SF Oracle RAC
Setting the environment variables
Starting or stopping SF Oracle RAC on each node
Applying Oracle patches
Adding LLT links to increase capacity
Removing LLT links
Adding aggregated links
Adding storage to an SF Oracle RAC cluster
Recovering from storage failure
Enhancing the performance of SF Oracle RAC clusters
Creating snapshots for offhost processing
Verifying the ODM port
Verifying the nodes in a cluster
Administering VCS
Viewing available Veritas devices and drivers
Configuring VCS to start Oracle with a specified Pfile
Verifying VCS configuration
Starting and stopping VCS
Administering I/O fencing
About administering I/O fencing
About the vxfentsthdw utility
About the vxfenadm utility
About the vxfenclearpre utility
About the vxfenswap utility
Administering the CP server
About the CP server user types and privileges
cpsadm command
About administering the coordination point server
Refreshing registration keys on the coordination points for server-based fencing
Replacing coordination points for server-based fencing in an online cluster
Migrating from non-secure to secure setup for CP server and SF Oracle RAC cluster communication
Administering CFS
Adding CFS file systems to VCS configuration
Using cfsmount to mount CFS file systems
Resizing CFS file systems
Verifying the status of CFS file systems
Verifying CFS port
Administering CVM
Establishing CVM cluster membership manually
Importing a shared disk group manually
Deporting a shared disk group manually
Evaluating the state of CVM ports
Verifying if CVM is running in an SF Oracle RAC cluster
Verifying CVM membership state
Verifying the state of CVM shared disk groups
Verifying the activation mode
Administering Oracle
Creating a database
Increasing swap space for Oracle
Stopping Oracle Clusterware
Determining Oracle Clusterware object status
Configuring virtual IP addresses for Oracle Clusterware
Configuring Oracle group to start and stop Oracle database instances
Configuring listeners
Starting or stopping Oracle listener
Starting and stopping Oracle service groups
3. Troubleshooting SF Oracle RAC
About troubleshooting SF Oracle RAC
Running scripts for engineering support analysis
Log files
About SF Oracle RAC kernel and driver messages
What to do if you see a licensing reminder
Restarting the installer after a failed connection
Installer cannot create UUID for the cluster
Troubleshooting I/O fencing
SCSI reservation errors during bootup
The vxfentsthdw utility fails when SCSI TEST UNIT READY command fails
Node is unable to join cluster while another node is being ejected
System panics to prevent potential data corruption
How vxfen driver checks for preexisting split-brain condition
Cluster ID on the I/O fencing key of coordinator disk does not match the local cluster's ID
Clearing keys after split-brain using vxfenclearpre command
Registered keys are lost on the coordinator disks
Replacing defective disks when the cluster is offline
The vxfenswap utility faults when echo or cat is used in .bashrc file
Troubleshooting on the CP server
Troubleshooting server-based I/O fencing on the SF Oracle RAC cluster
Troubleshooting server-based I/O fencing in mixed mode
Understanding error messages
Troubleshooting CVM
Shared disk group cannot be imported
Error importing shared disk groups
Unable to start CVM
CVM group is not online after adding a node to the cluster
CVMVolDg not online even though CVMCluster is online
Shared disks not visible
Troubleshooting CFS
Incorrect order in root user's <library> path
Troubleshooting interconnects
Restoring communication between host and disks after cable disconnection
Network interfaces change their names after reboot
Example entries for mandatory devices
Troubleshooting Oracle
Oracle log files
Oracle Notes
Oracle user must be able to read /etc/llttab File
Relinking of VCSMM library fails after upgrading from version 4.1 MP2
Error when starting an Oracle instance
Clearing Oracle group faults
Oracle log files show shutdown called even when not shutdown manually hangs after Oracle binaries installation
DBCA fails while creating database
Oracle Clusterware processes fail to startup
Oracle Clusterware fails after restart
Removing Oracle Clusterware if installation fails
Troubleshooting the Virtual IP (VIP) Configuration
OCR and Vote disk related issues
Troubleshooting Oracle Clusterware health check warning messages
Troubleshooting ODM
File System configured incorrectly for ODM shuts down Oracle
4. Prevention and recovery strategies
Verification of GAB ports in SF Oracle RAC cluster
Examining GAB seed membership
Manual GAB membership seeding
Evaluating VCS I/O fencing ports
Verifying normal functioning of VCS I/O fencing
Managing SCSI-3 PR keys in SF Oracle RAC cluster
Evaluating the number of SCSI-3 PR keys on a coordinator LUN, if there are multiple paths to the LUN from the hosts
Detecting accidental SCSI-3 PR key removal from coordinator LUNs
Identifying a faulty coordinator LUN
Starting shared volumes manually
Listing all the CVM shared disks
Failure scenarios and recovery strategies for CP server setup
5. Tunable parameters
About SF Oracle RAC tunable parameters
Tuning guidelines for campus clusters
A. Error messages
About error messages
VxVM error messages
VXFEN driver error messages
VXFEN driver informational message
Node ejection informational messages

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