Installing SF Oracle RAC on an alternate root

Installing SF Oracle RAC on an alternate root enables you to boot from the second disk instead of the default disk. Installing on an alternate root also enables you to upgrade the OS on a Solaris system without affecting the existing configuration or requiring much downtime. Using an alternate root is required when using Live Upgrade to upgrade to SF Oracle RAC 6.0.1.

Figure: Installing SF Oracle RAC on an alternate root disk illustrates the installation process.

Figure: Installing SF Oracle RAC on an alternate root disk

Installing SF Oracle RAC on an alternate root disk

Perform the steps in the following procedure on the active root disk of each node.

To install SF Oracle RAC 6.0.1 on the alternate root disk of your system

  1. Verify that the Solaris operating system is installed on the alternate root disk of the system.

    For example, /dev/dsk/cXtXdXs2, where cXtXdXs2 is the alternate root disk.

  2. Mount your alternate root disk.
    # mkdir /altroot
    # mount /dev/dsk/cXtXdXs0 /altroot

    The mount point must have the same name on all systems.

  3. Start the installer with the -rootpath option.
    # cd /dvd_mount/storage_foundation_for_oracle_rac
    # ./installsfrac -rootpath /altroot sys1 sys2
  4. Stop the applications that are running on the current root disk using native application commands.
  5. Restart the systems with the alternate root /altroot.
    • Display the current boot disk device and device aliases.

      # eeprom
      boot-device=vx-rootdg vx-int_disk
      use-nvramrc?=true
      nvramrc=devalias vx-int_disk /pci@1c,600000/scsi@2/disk@0,0:a
      devalias vx-rootdg01 /pci@1c,600000/scsi@2/disk@1,0:a
    • Set the device from which to boot using the eeprom command. This example shows booting from the alternate root disk.

      # eeprom boot-device=/pci@780/pci@0/pci@9/scsi@0/disk@1
    • Reboot the system.

      # shutdown -g0 -i6 -y
  6. Configure SF Oracle RAC.
    # ./installsfrac -configure sys1 sys2
  7. Install the language packages if you would like to run SF Oracle RAC in a language other than English. Follow the procedure for the appropriate language packages.

    See Installing language packages.

  8. Complete the post-installation tasks.

    For instructions, see the chapter Performing post-installation and configuration tasks in this document.