Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O1000 for Orac - Page 116

Additional Notes on Configuring Oracle Software, Creating a Symbolic Link for OPS_CMDISK

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Installation and Configuration 5-37 powered on in a different order than they were when the cluster was initially configured, the order and numbering of the shared disk drives will change for all nodes in the cluster. Object Link Manager simplifies the creation and maintenance of symbolic links between disk partitions and Oracle data files by placing the symbolic link names directly into the disk partitions, thereby tracking the symbolic links dynamically. This means that if the order in which disk drives are brought online changes, Oracle8i Server can find the correct data files and can properly start the Oracle database. You must install Object Link Manager before installing the Oracle database software to ensure that the symbolic links are defined before creating a database. For instructions on installing and using Object Link Manager, see the readme file on the Compaq Parallel Database Cluster Clustering Software for Oracle8i on Microsoft Windows 2000 CD at \Object Link Manager\readme.txt Additional Notes on Configuring Oracle Software In addition to the steps outlined in the Oracle documents, you must create a symbolic link for OPS_CMDISK. You should verify access to the shared storage from all nodes of the cluster. Creating a Symbolic Link for OPS_CMDISK The OPS_CMDISK data file contains status information for all nodes in the cluster. Using the Object Link Manager GUI, define a partition to be called OPS_CMDISK and commit the change. Verifying Access to Shared Storage from All Nodes IMPORTANT: Verify access to shared storage from all nodes in the cluster before starting any Oracle instance. Open Disk Management to verify that the shared disk resources seen from this node are the same as those seen from other installed nodes in the cluster.

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Installation and Configuration
5-37
powered on in a different order than they were when the cluster was initially
configured, the order and numbering of the shared disk drives will change for
all nodes in the cluster.
Object Link Manager simplifies the creation and maintenance of symbolic
links between disk partitions and Oracle data files by placing the symbolic link
names directly into the disk partitions, thereby tracking the symbolic links
dynamically. This means that if the order in which disk drives are brought
online changes, Oracle8
i
Server can find the correct data files and can properly
start the Oracle database.
You must install Object Link Manager before installing the Oracle database
software to ensure that the symbolic links are defined before creating a
database.
For instructions on installing and using Object Link Manager, see the readme
file on the Compaq Parallel Database Cluster Clustering Software for Oracle8
i
on Microsoft Windows 2000 CD at
\Object Link Manager\readme.txt
Additional Notes on Configuring Oracle Software
In addition to the steps outlined in the Oracle documents, you must create a
symbolic link for OPS_CMDISK. You should verify access to the shared
storage from all nodes of the cluster.
Creating a Symbolic Link for OPS_CMDISK
The OPS_CMDISK data file contains status information for all nodes in the
cluster. Using the Object Link Manager GUI, define a partition to be called
OPS_CMDISK and commit the change.
Verifying Access to Shared Storage from All Nodes
IMPORTANT:
Verify access to shared storage from all nodes in the cluster
before
starting any Oracle instance.
Open Disk Management to verify that the shared disk resources seen from this
node are the same as those seen from other installed nodes in the cluster.