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VMware: Oracle 10g Software Install

Oracle Tips by Burleson Consulting

The most notable change during this process is that you actually have to run two different Oracle software installs:  one for the cluster ware and then one for the database. These are two different downloads from the Oracle OTN site. So first you obtain the Oracle clusterware install files, export ORACLE_HOME = /home/oracle/product/10.2.0/crs, and then run the clusterwares installer via the runInstaller script as shown in Figure 12 (next page). If you have done everything to this point correctly, including setting the /etc/hosts file with all three mandatory RAC IP addresses, then the installer should recognize this as a legitimately clusterable node. If not, then backtrack and re-verify the prior steps done properly.

Figure 12:  Running Clusterwares  Installer

The first critical step will be the network interface screen shown in Figure 13. You need it to properly recognize both of your Oracle public and private network interfaces and with the proper interface type chosen. It is not uncommon for this screen to require manual adjustments to the interface type, as it often comes up with both being private. Just make sure to mark the correct one as public. 

Figure 13:  Network Interface Screen

The clusterware install will then ask you for locations and redundancy nature for the cluster registry (OCR) and voting disk files which must reside on your shared disk space. Note that as shown in the next two screen snapshots (Figures 14 and 15), I have chosen easy names with no redundancy to keep things simple, i.e. my choices are not really redundant because external implies it is being done externally and in this case, it is just not being done at all. This installer will now create and format those files.

Figure 14:  External Redundancy Screen

Figure 15:  Specifying Voting Disk Location

Finally, the clusterware installer will ask for the nodes in your cluster in which to propagate these same settings. Since you have only one physical node in your pseudo-RAC setup, that is all you will see, as shown on the following page in Figure 16. If you had other actual RAC nodes, you would merely see additional entries one for each additional node. Now you are done with the clusterware install process, so on to the Oracle software install.

Figure 16:  Single Node in Pseudo-RAC Setup

You then perform the database install as before by choosing all the same options as was done in the previous chapter. To accomplish this task, you export ORACLE_HOME = /home/oracle/product/10.2.0/db, and then you run the databases   installer via the runInstaller script. With the database install process, you are now ready to do the database creation. It is good to note that this might be the right place in which to shutdown the VMware image and make a backup copy. That way you can get back to this point easily when you want to refresh your virtual machine to a prior pristine state.

This is an excerpt from
Oracle on VMWare: Expert tips for database virtualization by Rampant TechPress.


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