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Booting the storage system at the storage system prompt

The storage system is configured to boot from the 256-MB PC CompactFlash card. You can boot the storage system from the storage system prompt.


FAS900 series storage systems are configured to boot from 32-MB or 256-MB PC CompactFlash cards. If you have upgraded your FAS900 series storage systems to Data ONTAP 6.5 or higher, either your 32-MB CompactFlash boot cards have been repartitioned as described in the Data ONTAP Upgrade Guide, or you have upgraded to 256-MB CompactFlash boot cards.

If you reboot your storage system, it will reboot in normal mode by default. You can also invoke a boot menu that allows you to reboot in alternative modes for the following reasons:
  • To correct configuration problems
  • To recover from a lost password
  • To correct certain disk configuration problems


  1. At the storage system prompt, enter the following command: reboot

    The storage system begins the boot process.

  2. If you want the storage system to boot automatically in normal mode, allow the storage system to reboot uninterrupted.

    The following message appears, indicating that you are done: root logged in from console

  3. If you want to select from a menu of alternative boot modes, press Ctrl-C to display the boot menu when prompted to do so.

    The storage system displays the following boot menu:

    1) Normal Boot
    2) Boot without /etc/rc
    3) Change Password
    4) Initialize all disks
    4a) Same as option 4, but create a flexible root volume.
    5) Maintenance mode boot
    Selection (1-5)?

  4. Select one of the boot types by entering the corresponding number.
    To ... Select ...
    Boot the storage system normally 1) Normal Boot
    Troubleshoot and repair configuration problems 2) Boot without /etc/rc.
    Note: Booting without /etc/rc causes the storage system to use only default options settings; disregard all options settings you put in /etc/rc; and disable some services, such as syslog.
    Change the password of the storage system 3) Change Password
    Initialize all the disks and create a traditional root volume 4) Initialize all disks
    Initialize all the disks and create a flexible root volume 4a) Same as option 4, but create a flexible root volume
    Perform some aggregate and disk operations and get detailed aggregate and disk information. 5) Maintenance mode boot
    Note: Maintenance mode is special for the following reasons:
    • Most normal functions, including file system operations, are disabled.
    • A limited set of commands is available for diagnosing and repairing disk and aggregate or volume problems.
    • You exit Maintenance mode with the halt command. To reboot the storage system, enter boot after the firmware prompt.