Tuesday May 29, 2012

New Oracles VM RAC template with support for oracle vm 3 built-in

The RAC team did it again (thanks Saar!) - another awesome set of Oracle VM templates published and uploaded to My Oracle Support.

You can find the main page here.

What's special about the latest version of DeployCluster is that it integrates tightly with Oracle VM 3 manager. It basically is an Oracle VM frontend that helps start VMs, pass arguments down automatically and there is absolutely no need to log into the Oracle VM servers or the guests. Once it completes, you have an entire Oracle RAC database setup ready to go.

Here's a short summary of the steps :

  • Set up an Oracle VM 3 server pool
  • Download the Oracle VM RAC template from oracle.com
  • Import the template into Oracle VM using Oracle VM Manager repository -> import
  • Create a public and private network in Oracle VM Manager in the network tab
  • Configure the template with the right public and private virtual networks
  • Create a set of shared disks (physical or virtual) to assign to the VMs you want to create (for ASM/at least 5)
  • Clone a set of VMs from the template (as many RAC nodes as you plan to configure)
  • With Oracle VM 3.1 you can clone with a number so one clone command for, say 8 VMs is easy.
  • Assign the shared devices/disks to the cloned VMs
  • Create a netconfig.ini file on your manager node or a client where you plan to run DeployCluster
  • This little text file just contains the IP addresses, hostnames etc for your cluster. It is a very simple small textfile.
  • Run deploycluster.py with the VM names as argument
  • Done.

    At this point, the tool will connect to Oracle VM Manager, start the VMs and configure each one,

  • Configure the OS (Oracle Linux)
  • Configure the disks with ASM
  • Configure the clusterware (CRS)
  • Configure ASM
  • Create database instances on each node.
  • Now you are ready to log in, and use your x node database cluster. x No need to download various products from various websites, click on trial licenses for the OS, go to a Virtual Machine store with sample and test versions only - this is production ready and supported.

    Software. Complete.

    example netconfig.ini :

    # Node specific information
    NODE1=racnode1
    NODE1VIP=racnode1-vip
    NODE1PRIV=racnode1-priv
    NODE1IP=192.168.1.2
    NODE1VIPIP=192.168.1.22
    NODE1PRIVIP=10.0.0.22
    NODE2=racnode2
    NODE2VIP=racnode2-vip
    NODE2PRIV=racnode2-priv
    NODE2IP=192.168.1.3
    NODE2VIPIP=192.168.1.23
    NODE2PRIVIP=10.0.0.23
    # Common data
    PUBADAP=eth0
    PUBMASK=255.255.255.0
    PUBGW=192.168.1.1
    PRIVADAP=eth1
    PRIVMASK=255.255.255.0
    RACCLUSTERNAME=raccluster
    DOMAINNAME=mydomain.com
    DNSIP=
    # Device used to transfer network information to second node
    # in interview mode
    NETCONFIG_DEV=/dev/xvdc
    # 11gR2 specific data
    SCANNAME=racnode12-scan
    SCANIP=192.168.1.50
    
    About

    Wim Coekaerts is the Senior Vice President of Linux and Virtualization Engineering for Oracle. He is responsible for Oracle's complete desktop to data center virtualization product line and the Oracle Linux support program.

    You can follow him on Twitter at @wimcoekaerts

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