Registering and Configuring HA for Oracle Grid Engine

Before you perform this procedure, ensure that the HA for Oracle Grid Engine data service packages are installed.

Use the configuration and registration files in the /opt/SUNWscsge/util directory to register the HA for Oracle Grid Engine resources. The files define the dependencies that are required between Oracle Grid Engine components. For information about these dependencies, see Dependencies Between Oracle Grid Engine Components. For a listing of these files, see Appendix A, Files for Configuring and Removing HA for Oracle Grid Engine Resources.

Registering and configuring HA for Oracle Grid Engine involves the tasks that are explained in the following sections:

Specifying Configuration Parameters for HA for Oracle Grid Engine Resources
How to Create and Enable HA for Oracle Grid Engine Resources

Specifying Configuration Parameters for HA for Oracle Grid Engine Resources

HA for Oracle Grid Engineprovides scripts that automate the process of configuring and removing HA for Oracle Grid Engine resources. These scripts obtain configuration parameters from the sge_config file in the /opt/SUNWscsge/util/ directory. To specify configuration parameters for HA for Oracle Grid Engine resources, edit the sge_config file.

Each configuration parameter in the sge_config file is defined as a keyword-value pair. The sge_config file already contains the required keywords and equals signs. For more information, see Listing of sge_config. When you edit the sge_config file, add the required value to each keyword. Use the values that you identified in Configuration Planning Questions.

The keyword-value pairs in the sge_config file are as follows:

QMASTERRS=sge-qmaster-rs
SCHEDDRS=sge-schedd-rs
MASTERRG=sge-rg
MASTERLH=sge-lh-rs
MASTERPORT=portno
MASTERHASP=sge-hasp-rs
SGE_ROOT=sge-root-dir
SGE_CELL=cell-name
SGE_VER=6.0

The meaning and permitted values of the keywords in the sge_config file are as follows:

QMASTERRS=sge-qmaster-rs: Specifies the name that you are assigning to the resource for the Oracle Grid Engine queue master daemon sge_qmaster. This must be defined.
SCHEDDRS=sge-schedd-rs: Specifies the name that you are assigning to the resource for the Oracle Grid Engine scheduling daemon sge_schedd. This must be defined.
MASTERRG=sge-rg: Specifies the name of the resource group that contains the HA for Oracle Grid Engine resources. This name must be the name that you assigned when you created the resource group as explained in How to Enable Oracle Grid Engine to Run in a Cluster. This must be defined.
MASTERLH=sge-lh-rs: Specifies the name of the logical host name resource for Oracle Grid Engine. This name must be the name that you assigned when you created the resource in How to Enable Oracle Grid Engine to Run in a Cluster. This must be defined.
MASTERPORT=portno: Specifies the port number that is configured for sge_qmaster, the default is set to 536. It must be an integer and must be defined.
MASTERHASP=sge-hasp-rs: Specifies the name of the SUNW.HAStoragePlus resource for Oracle Grid Engine. This name must be the name that you assigned when you created the resource in Configuring the HAStoragePlus Resource Type to Work With HA for Oracle Grid Engine. If this resource is used it must be defined.
SGE_ROOT=sge-root-dir: Specifies the root directory of the Oracle Grid Engine file system. This directory must be the directory that you created for root of the Oracle Grid Engine file system in Preparing the Nodes and Disks. This must be defined.
SGE_CELL=cell-name: Specifies the cell that Oracle Grid Engine references. This must be defined.
SGE_VER=6.0: Specifies the version of the installed Sun Grid Engine configuration. This keyword must be defined and set the value to "6.0".

Note - You must set the SGE_VER keyword to “6.0”, even if you are using Oracle Grid Engine version 6.1.

Example 1-3 Sample sge_config File

This example shows an sge_config file in which configuration parameters are set as follows:

The name of the resource for the Oracle Grid Engine queue master daemon sge_qmaster is sge_qmaster-rs.
The name of the resource for the Oracle Grid Engine scheduling daemon sge_schedd is sge_schedd-rs.
The name of the resource group that contains the HA for Oracle Grid Engine resources is sge-rg.
The name of the logical host name resource for Oracle Grid Engine is sge-lh-rs.
The port number for sge_qmaster is set to 536.
The name of the SUNW.HAStoragePlus resource for Oracle Grid Engine is sge-hasp-rs.
The root directory of the Oracle Grid Engine file system is /global/gridmaster.
Oracle Grid Engine references the default cell.
The version for Oracle Grid Engine is set to 6.0.

QMASTERRS=sge_qmaster-rs
SCHEDDRS=sge_schedd-rs
MASTERRG=sge-rg
MASTERLH=sge-lh-rs
MASTERPORT=536
MASTERHASP=sge-hasp-rs
SGE_ROOT=/global/gridmaster
SGE_CELL=default
SGE_VER=6.0

How to Create and Enable HA for Oracle Grid Engine Resources

Before you begin, ensure that you have edited the sge_config file or a copy of it to specify configuration parameters for HA for Oracle Grid Engine resources. For more information, see Specifying Configuration Parameters for HA for Oracle Grid Engine Resources.

Register the SUNW.gds resource type.
```
# clresourcetype register SUNW.gds
```
Go to the directory that contains the script for creating the Oracle Grid Engine resources.
```
# cd /opt/SUNWscsge/util/
```
Run the script that creates the Oracle Grid Engine resources.
```
# ./sge_register -f /mypath/sge_config
```

Bring online the failover resource group that you created in How to Enable Oracle Grid Engine to Run in a Cluster.

This resource group contains the following resources:

Logical host name resource
HAStoragePlus resource
NFS resource
Oracle Grid Engine application resources

# clresourcegroup online -M sge-rg

sge-rg: Specifies the resource group that you created in How to Enable Oracle Grid Engine to Run in a Cluster is to be brought online

Caution - Make sure that the Oracle Grid Engine daemons (sge_qmaster and sge_schedd) are not running before bringing the failover resource group online. They may be running because the install_qmaster installation script started them or they are still running after performing the verification described in How to Verify the HA for Oracle Grid Engine Installation and Configuration.

Setting HA for Oracle Grid Engine Extension Properties

Extension properties for HA for Oracle Grid Engine resources are set when you run the script that creates these resources. You need to set these properties only if you require values other than the values that are set by the script. For information about HA for Oracle Grid Engine extension properties, see the SUNW.gds(5) man page. You can update some extension properties dynamically. You can update other properties, however, only when you create or disable a resource. The Tunable entry indicates when you can update a property.

To update an extension property of a resource, run the clresource(1CL) command with the following option to modify the resource:

-p property=value

-p property: Identifies the extension property that you are setting
value: Specifies the value to which you are setting the extension property

You can also use the procedures in Chapter 2, Administering Data Service Resources, in Oracle Solaris Cluster Data Services Planning and Administration Guide to configure resources after the resources are created.

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