Verifying the cluster


Verifying the cluster
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The installer performs the following checks on each node during the process:

Verifies that SF Oracle RAC is installed.
Verifies whether the Oracle process daemon (oprocd) is running or not.
If Oracle RAC 10g Release 2 or Oracle RAC 11g Release 1 is installed, verifies that LLT and Oracle Clusterware uses the same node IDs for each node in the cluster.
Verifies that the Veritas libraries (VCS IPC, ODM, and VCSMM) are linked with the Oracle RAC libraries. The VCS IPC check is skipped if Oracle RAC 11g is installed.
Verifies whether the tunables for LLT/LMX/VCSMM tunables are set correctly.
Verifies that the CSSD resource is configured under the CVM service group.
Verifies whether the specified Oracle user has read permissions on the /etc/llttab and /etc/llthosts files.
Verifies that LLT and Oracle Clusterware/Grid Infrastructure have the same view of the number of nodes in the cluster.
Verifies that the Oracle RAC database version is the same on all nodes in the cluster. The check fails if the version or patchset information varies across nodes.

For information on resolving issues that you may encounter during the checks, see the Veritas Storage Foundation for Oracle RAC Administrator's Guide, Chapter: Troubleshooting SF Oracle RAC, Section: Troubleshooting installation and configuration check failures.

The installer skips the following checks when LLT is configured over UDP:

LLT links' full duplex setting
LLT link jumbo frame setting (MTU)
LLT links' cross connection
LLT links' speed and auto negotiation settings

Run the SF Oracle RAC installer to verify the functional health of the cluster.

To verify the cluster

Start the SF Oracle RAC installer:

# cd /opt/VRTS/install

# ./installsfrac -configure galaxy nebula

Select the option SF Oracle RAC Installation and Configuration Checks.

1)  Configure SF Oracle RAC sub-components
2)  SF Oracle RAC Installation and Configuration Checks
3)  Prepare to Install Oracle
4)  Install Oracle Clusterware/Grid Infrastructure and Database
5)  Post Oracle Installation Tasks
6)  Exit SF Oracle RAC Configuration
Choose option: [1-6,q] (1) 2

Enter y to confirm that Oracle RAC is installed on the nodes.

Enter the full path of the Oracle Clusterware/Grid Infrastructure home directory.

Note:

The installer tries to discover the location of the Oracle Clusterware/Grid Infrastructure home directory from the Oracle inventory. If the installer discovers the information, you are not prompted for this information.

The installer verifies the path information and re-prompts if the path is incorrect.

Enter the full path of the Oracle RAC database home directory.

Note:

The installer tries to discover the location of the Oracle RAC database home directory from the Oracle inventory. If the installer discovers the information, you are not prompted for this information.

The installer verifies the path information.

Enter the Oracle user name.

The installer displays the location of the temporary log file and starts the verification process.

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