Setting tunables with no other installer-related operations
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Setting tunables with no other installer-related operations

You can use the installer to set tunable parameters without any other installer-related operations. You must use the parameters described in this guide. Note that many of the parameters are product-specific. You must select the tunables that you want to use from this guide.

See Tunables value parameter definitions.

Note:

Certain tunables only take effect after a system reboot.

To set tunables with no other installer-related operations

  1. Prepare the tunables file.

    See Preparing the tunables file.

  2. Make sure the systems where you want to install SFCFSHA meet the installation requirements.
  3. Complete any preinstallation tasks.
  4. Copy the tunables file to one of the systems that you want to tune.
  5. Mount the product disc and navigate to the directory that contains the installation program.
  6. Start the installer with the -settunables option.
    # ./installer -tunablesfile tunables_file_name -settunables [
sys123 sys234 ...]

    Where /tmp/tunables_file is the full path name for the tunables file.

  7. Proceed with the operation. When prompted, accept the tunable parameters.

    Certain tunables are only activated after a reboot. Review the output carefully to determine if the system requires a reboot to set the tunable value.

  8. The installer validates the tunables. If an error occurs, exit the installer and check the tunables file.
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