Dhcp not updating dns forward lookup zone
All name resolution requests for the cluster within a sub-domain delegated by the DNS are handed off to GNS using multicast Domain Name Service (m DNS) included within the Oracle Clusterware.
Using GNS eliminates the need for managing IP addresses and name resolution and is especially advantageous in a dynamic cluster environment where nodes are often added or removed.
In addition to this guide, users should also consult the following Oracle documents to gain a full understanding of alternative configuration options, installation, and administration with Oracle RAC 11g. Powered by r Path Linux, Openfiler is a free browser-based network storage management utility that delivers file-based Network Attached Storage (NAS) and block-based Storage Area Networking (SAN) in a single framework.
The entire software stack interfaces with open source applications such as Apache, Samba, LVM2, ext3, Linux NFS and i SCSI Enterprise Target.
The operating system (r Path Linux) and the Openfiler application will be installed on one internal SATA disk.
A second internal 73GB 15K SCSI hard disk will be configured as a single volume group that will be used for all shared disk storage requirements.
Openfiler supports CIFS, NFS, HTTP/DAV, FTP, however, we will only be making use of its i SCSI capabilities to implement an inexpensive SAN for the shared storage components required by Oracle RAC 11g.
The system will consist of a two node cluster, both running Linux (Cent OS 5.5 for x86_64), Oracle RAC 11g Release 2 for Linux x86_64, and ASMLib 2.0.
All shared disk storage for Oracle RAC will be based on i SCSI using Openfiler release 2.3 x86_64 running on a third node (known in this article as the Network Storage Server).
In this article, the Oracle Grid Infrastructure and Oracle RAC software will be installed on both nodes using the optional Job Role Separation configuration.
One OS user will be created to own each Oracle software product ") as their primary group, so that each Oracle software installation owner can write to the central inventory (ora Inventory), and so that OCR and Oracle Clusterware resource permissions are set correctly.
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This would include the public IP address for the node, the RAC interconnect, virtual IP address (VIP), and new to 11g Release 2, the Single Client Access Name (SCAN) virtual IP address(s).