Serviceguard Extension for RAC Version A.11.
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Printing History Table 1 Printing History Printing Date June 2007 Part Number T1907-90031 Edition First Edition The last printing date and part number indicate the current edition, which applies to the A.11.18 version of Serviceguard Extension for RAC.
Serviceguard Extension for RAC Version A.11.18 Release Notes Announcements 1 Serviceguard Extension for RAC Version A.11.18 Release Notes Announcements This section announces the most important features and limitations of Serviceguard Extension for RAC (SGeRAC) A.11.18. For more information, see ““What’s in this Version” on page 9. The A.11.18 version of SGeRAC is supported on HP-UX 11i v2 and 11i v3. For details refer to “HP-UX 11i v3 Updates” and “HP-UX 11i v2 Updates” on page 7.
Serviceguard Extension for RAC Version A.11.18 Release Notes Announcements In addition, SGeRAC version A.11.18 can be installed on top of the HP-UX 11i v2 and 11i v3 Mission Critical Operating Environment (MCOE). It is not necessary to uninstall Serviceguard filesets before installing SGeRAC. If the version of Serviceguard in the MCOE is not A.11.18, you must first upgrade to Serviceguard version A.11.18. For Serviceguard upgrade information, refer to the Serviceguard Version A.11.18 Release Notes.
Serviceguard Extension for RAC Version A.11.18 Release Notes Announcements HP-UX 11i v2 Updates SGeRAC A.11.18 on HP-UX 11i v2 now supports version 5.0 of Veritas VxVM, CVM and CFS 5.0 from Symantec. See “Support for Veritas CFS and CVM on SGeRAC A.11.18” on page 12. HP-UX 11i v3 Updates This release of SGeRAC A.11.18 supports HP-UX 11i v3, which introduces important improvements, particularly in regard to the I/O subsystem. Veritas CVM and CFS Not Yet Supported on HP-UX 11i v3 SGeRAC A.11.
Serviceguard Extension for RAC Version A.11.18 Release Notes Announcements (DMP) from Symantec are supported on HP-UX 11i v3, but do not provide multipathing and load balancing; DMP acts as a pass-through driver, allowing multipathing and load balancing to be controlled by the HP-UX I/O subsystem instead.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version What’s in this Version The A.11.18 version of Serviceguard Extension for RAC (SGeRAC) is a release that supports the use of the HP-UX 11i v2 and 11i v3 operating systems, and provides the following additional features and restrictions: • Support for Cluster Interconnect Subnet Monitoring. • Support for Veritas CFS and CVM on SGeRAC A.11.18. • Support for Oracle 9i RAC on CFS and CVM.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version • Starting with version A.11.17, all log messages from cmgmsd will log to /var/adm/syslog/syslog.log by default. • All nodes in a cluster running SGeRAC must have SGeRAC installed. Mixed clusters of Serviceguard/SGeRAC are not supported. Starting with Serviceguard/SGeRAC version A.11.17 this homogeneity requirement is enforced at cluster creation and formation. The enhancement in version A.11.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version Support for Cluster Interconnect Subnet Monitoring In SGeRAC, the Cluster Interconnect Subnet Monitoring feature is used to monitor cluster communication subnets. This feature requires the use of a package configuration parameter known as the CLUSTER_INTERCONNECT_SUBNET.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version Support for Veritas CFS and CVM on SGeRAC A.11.18 SGeRAC A.11.18 on HP-UX 11i v2 supports Veritas VxVM, CVM and CFS 5.0 from Symantec, with the following exceptions: • SGeRAC supports a maximum of eight nodes for CVM and CFS. • SGeRAC does not support CFS nested mounts. For more information, see the HP Storage Management Suite Version A.02.00 Release Notes (T2771-90036) at http://docs.hp.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version Like system multi-node packages, multi-node packages do not fail over, and can run on more than one node at a time. Unlike system multi-node packages, they do not have to run on every active node in the cluster, but can be configured to run on specific nodes. Multi-node packages function for CFS in much the same way as the STORAGE_GROUP parameter functions for CVM 3.5.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version Support for Oracle 9i RAC on CFS and CVM SGeRAC supports Oracle 9i RAC on CFS 4.1 (or later) and CVM 4.1 (or later) through Serviceguard A.11.18 on HP-UX 11i v2 with the following product numbers: • HP Serviceguard CFS 4.1 (T2777BA) and 5.0 (T2777CA) for RAC • HP Serviceguard CFS 4.1 (T2797BA) and 5.0 (T2797CA) for RAC with MCOE. Also, SGeRAC supports Oracle 9i RAC on CVM version 3.5.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version Support for the SGeRAC Toolkit The SGeRAC Toolkit provides documentation and scripts to simplify the integration of SGeRAC and the Oracle 10g RAC stack. It also manages the dependency between Oracle Clusterware and Oracle RAC instances with a full range of storage management options supported in the Serviceguard and SGeRAC environment.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version Support for 8192 Oracle Server Processes for Oracle 9i RAC The maximum number of Oracle server processes cmgmsd can handle is 8192. When there are more than 8192 server processes connected to cmgmsd, it will start to reject new requests. Oracle foreground server processes are needed to handle the requests of the Data Base (DB) client connected to the DB instance.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version This means that you are not required to migrate to agile addressing when you upgrade to 11i v3, though you should seriously consider its advantages (see the white paper The Next Generation Mass Storage Stack under Network and Systems Management -> Storage Area Management at docs.hp.com).
Serviceguard Extension for RAC Version A.11.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version What Manuals are Available for This Version The following manuals are shipped with version A.11.18 of SGeRAC: • Using Serviceguard Extension for RAC, (T1907-90048). This manual has been developed for the A.11.18 release. It describes the RAC-specific extensions to Serviceguard that are used in configuring RAC clusters (formerly known as OPS clusters).
Serviceguard Extension for RAC Version A.11.
Serviceguard Extension for RAC Version A.11.18 Release Notes What’s in this Version To receive the latest news about recommended patches, product support matrices, and recently supported hardware, go to the IT Resource Center site above, and subscribe to the high availability programs tips and issues digest. For more information on support, compatibility and features for SGeRAC, refer to the Serviceguard Compatibility and Feature Matrix, located at http://docs.hp.
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements Compatibility Information and Installation Requirements Read this entire document and any other Release Notes or READMEs you may have before you begin an installation. Types of Releases and Patches Versions of Serviceguard Extension for RAC are provided as platform releases, feature releases, or patches.
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements Serviceguard Extension for RAC Compatibility with HP-UX and Oracle Releases The following table explains which HP-UX and Oracle releases should be used with the supported versions of SGeRAC. Only releases labeled Platform Release or Current Version will be patched as required. Platform releases will be supported within the specified time frame.
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements Port Requirements SGeRAC has no additional port requirements. (Refer to the Serviceguard Version A.11.18 Release Notes for port and specific application requirements). Installing Serviceguard Extension for RAC To install Serviceguard Extension for RAC independently, follow these steps: 1. Install or upgrade to HP-UX 11i v2 or 11i v3 before loading Serviceguard Extension for RAC Version A.
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements For more information on either HP Serviceguard Cluster File System version 5.0 for RAC (T2777CA) or HP Serviceguard Cluster File System for RAC with MCOE (T2797CA), see the HP Serviceguard Storage Management Suite Version A.02.00 Release Notes (T2771-90036).
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements 3. Modify the cluster configuration ASCII file as necessary for RAC use, add OPS_VOLUME_GROUP if required, then run the cmapplyconf command. 4. Reboot each node. 5. Restart the cluster.
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements Removing SGeRAC To remove your software, run the SD-UX swremove command. NOTE If you are removing SGeRAC and wish to continue using the cluster as an Serviceguard cluster, there are slightly different steps. See section “Removing Serviceguard Extension for RAC Without Removing Serviceguard”. Use the following steps to remove the software from each node: Online Node Reconfiguration: 1.
Serviceguard Extension for RAC Version A.11.18 Release Notes Compatibility Information and Installation Requirements 2. Use swremove to remove SGeRAC from each node. 3. Reboot each node. 4. Edit the cluster configuration ASCII file to remove any OPS_VOLUME_GROUP entries, then run the cmapplyconf command. 5. Restart the cluster. Troubleshooting Tips The core dump locations for the cluster manager and shared logical volume manager daemons are in /var/adm/cmcluster and /etc/lvmconf respectively.
Serviceguard Extension for RAC Version A.11.18 Release Notes Patches and Fixes in this Version Patches and Fixes in this Version This section describes patches that are required and defects that have been fixed in version A.11.18 of SGeRAC. Required and Recommended Patches The following are patches required or recommended for use with SGeRAC version A.11.18 on HP-UX 11i v2. This list is subject to change without notice. Contact your HP support representative for up-to-the-moment information.
Serviceguard Extension for RAC Version A.11.18 Release Notes Patches and Fixes in this Version NOTE For specific Oracle patch installation requirements and procedures please contact Oracle. Fixes The following defects have been fixed in SGeRAC version A.11.18. This list is subject to change without notice. For the most current information contact your HP support representative.
Serviceguard Extension for RAC Version A.11.18 Release Notes Patches and Fixes in this Version Resolution: After sending the kill signal to the client, cmgmsd waits for a short period of time before sending another kill signal. This allows the client more time to process the signal and exit before another kill signal is sent. For SGeRAC Version A.11.17 requires patch PHSS_33838. Defect Number Problem and Resolution SR:8606435963 (JAGaf94337) Problem: cmgmsd killed itself and brought node down.
Serviceguard Extension for RAC Version A.11.18 Release Notes Patches and Fixes in this Version ERROR: commit_cdb_txn: Failed to commit transaction (28, No space left on device) This could ultimately lead to various Oracle failures. Resolution: cmgmsd transactions no longer fail if there is not enough disk space to write them to the binary configuration file. An error is written to syslog but the transaction completes, preventing Oracle errors.
Serviceguard Extension for RAC Version A.11.18 Release Notes Known Problems and Workarounds Known Problems and Workarounds The following describes known problems for SGeRAC version A.11.18 and workarounds for them. However, this is subject to change without notice. For the most current information contact your HP support representative. More recent information on known problems and workarounds may be available on the Hewlett Packard IT Resource Center: http://itrc.hp.
Serviceguard Extension for RAC Version A.11.18 Release Notes Software Availability in Native Languages Software Availability in Native Languages SGeRAC version A.11.18 does not provide native language support.
