Solaris 10 10/08 Installation Guide: Solaris Live Upgrade and Upgrade Planning

ProcedureSPARC: To Fall Back From a Failed Boot Environment Activation

  1. At the OK prompt, boot the machine to single-user state from the Solaris Operating System DVD, Solaris Software - 1 CD, the network, or a local disk.

    OK boot device_name -s

    Specifies the name of devices from where the system can boot, for example /dev/dsk/c0t0d0s0

  2. Type:

    # /sbin/luactivate BE_name

    Specifies the name of the boot environment to be activated

  3. At the prompt, type:

    Do you want to fallback to activate boot environment <disk name> 
    (yes or no)? yes

    A message displays that the fallback activation is successful.

  4. Reboot.

    # init 6

    The previous working boot environment becomes the active boot environment.