Rolling back updates

Installation Manager can roll back updates that it applied. You can roll back an update with the Installation Manager GUI or console, or you can do a silent roll back.

Before you begin

Take the following actions:
  • Stop all running Tivoli Netcool/OMNIbus processes.
  • Back up any data or configuration files that were created since the original update and that you want to retain.
  • To do a silent roll back, create or record an Installation Manager response file.

About this task

For Linux operating systemFor UNIX operating systemInstallation Manager takes account of your current umask settings when it sets the permissions mode of the files and directories that it installs. If you use Administrator mode or Nonadministrator mode and your umask is 0, Installation Manager uses a umask of 22. If you use Group mode, Installation Manager ignores any group bits that are set and uses a umask of 2 if the resulting value is 0.

Procedure

  1. For Linux operating systemFor UNIX operating systemBefore you start Installation Manager, make the following checks:
    1. Administrator mode:
      1. If you are not already logged in as root, use the su or sudo sh command to start a superuser shell.
      2. Use the umask utility to check your umask value. If necessary, change the umask value.
    2. Nonadministrator mode or Group mode:

      Use the umask utility to check your umask value. If necessary, change the umask value.

GUI rollback

  1. To roll back an update with the Installation Manager GUI:
    1. Change to the Installation Manager installation directory.
    2. Use the following command to start the Installation Manager wizard:
      • For Linux operating systemFor UNIX operating system./IBMIM
      • For Windows operating systemIBMIM
    3. In the main Installation Manager window, click Roll Back.
    4. Follow the installation wizard instructions to complete the roll back.
    5. When the roll back is complete:
      • For Linux operating systemFor UNIX operating systemClick Finish.
      • For Windows operating systemThe computer must be restarted. Select either Restart Now or Restart Later and then click Finish.

Console roll back

  1. To roll back an update with the Installation Manager console:
    1. Change to the /eclipse/tools subdirectory of the Installation Manager installation directory.
    2. Use the following command to start Installation Manager:
      • For Linux operating systemFor UNIX operating system./imcl -c
      • For Windows operating systemimcl -c
    3. From the Main Menu, select Roll Back.
    4. Follow the Installation Manager instructions to complete the roll back.
    5. When the roll back is complete:
      • For Linux operating systemFor UNIX operating systemSelect Finish.
      • For Windows operating systemThe computer must be restarted. Select either Restart Now or Restart Later and then select Finish.

Silent roll back

  1. To silently roll back an update:
    1. Change to the /eclipse/tools subdirectory of the Installation Manager installation directory.
    2. Use the following command to start the roll back:
      • For Linux operating systemFor UNIX operating system./imcl input response_file
      • For Windows operating systemimcl input response_file
      Where response_file is the directory path to the response file that defines the roll back configuration.

Results

Installation Manager rolls back the update.