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Full Discussion: RAC on Linux
Operating Systems Linux Gentoo RAC on Linux Post 302288535 by sixstrings on Tuesday 17th of February 2009 01:44:20 PM
Old 02-17-2009
For rac, you are going to need several separate shared disks between the two servers.

You need at least 1 OCR and 1 Voting disk.... no bigger than 100M each. Best practice is to have 2 OCR and 3 Voting, but this is a test environment so that is a bit of overkill. Then you will at least need 1 shared disk for data. My suggestion is to use ASM over ocfs. ASM is far better and most big RAC environments that I have worked on use it.

As much as I love Gentoo, RedHat seems to work best with Oracle. You might want to look at CentOs as the OS to run.

There are pretty comprehensive guides to running Oracle on RedHat here

ORACLE-BASE - Linux and Oracle

That might help you get started.
 

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sgmgr(1M)																 sgmgr(1M)

NAME
sgmgr - Serviceguard Manager SYNOPSIS
filename ] | COMserver username password cluster_name ...]] COMserver2 Remarks Serviceguard Manager is the graphical user interface for Serviceguard or Serviceguard Extension for RAC software, Version A.11.12 or later, Serviceguard products are not included in the standard HP-UX operating system. DESCRIPTION
The command starts Serviceguard Manager, the graphical user interface for Serviceguard clusters. Serviceguard Manager can be installed on HP-UX, Linux, or Windows. Serviceguard Manager can be used to view saved data files of a single cluster, or to see running clusters. To see the "live" cluster map, Serviceguard Manager connects to a Serviceguard node on the same subnet as those clusters, specifically to a part of Serviceguard called the Cluster Object Manager (COM). Options supports the options listed below. No options are required. If any option is not specified, the user will be prompted to supply it after the interface opens. Open a previously saved or example object data file. The file will have the .sgm extension. It can display only one cluster. This option cannot be used with any other options. Specify the Serviceguard node that will be the server. This node's COM will query cluster objects running on its subnets, and will report their status and configuration. Servers with Serviceguard Version A.11.12 or later can monitor clusters. Servers with Ser- viceguard Version A.11.14 or later can also perform administrative actions. Servers with Version A.11.16 or later can also configure clusters. To specify multiple sessions, repeat the -s option. The user login name for the COMserver node. Valid only if COMserver is specified. The user password on the COMserver node. Valid only if username is specified. In creating the map, the COMserver will include the cluster where it is a member. In creating the map, the COMserver will report information about the specified cluster_name(s). Specify clusters with the following cluster software installed: MC/Serviceguard Version A.10.10 or later, MC/LockManager Version A.11.02 or later, Serviceguard OPS or Extension for RAC Version A.11.08 or later, and all versions of MetroClusters and ContinentalClusters. To see several clusters, repeat the -c option. If you specify this unused nodes option all COMservers will report information about nodes that have Serviceguard installed, but are not currently configured in any cluster. To connect to another COMserver for another session, repeat the -s options. AUTHOR
was developed by HP. SEE ALSO
See documents at http://docs.hp.com/hpux/ha including: Managing Serviceguard. Configuring OPS Clusters with Serviceguard OPS Edition. Using Serviceguard Extension for Real Application Cluster (RAC). Series 700 or 800 Works with Optional Serviceguard or Serviceguard Extension for RAC Software sgmgr(1M)
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