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| About upgrading SFCFS using an alternate disk | ||
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Use the alternate disk installation process to upgrade the operating system and SFCFS on a production server while the server runs. Perform the upgrade on an alternate or inactive boot environment. After the upgrade, you restart the system to use the updated environment. The instructions in this section assume a working knowledge of the alternate disk installation process. See the operating system documentation for detailed information on alternate disk installations.
Note: |
Only Technology Level (TL) and Service Pack (SP) releases of the operating system can be upgraded using this procedure. |
Upgrading SFCFS on an alternate disk has the following advantages:
The server remains active during the time the new boot environment is created and upgraded on the alternate boot device.
The actual downtime for the upgrade is reduced to the period of time required for a single reboot.
The original boot environment is still available for use if the updated environment fails to become active.
Upgrading SFCFS on an alternate disk involves the following steps: