Compaq Infortrend manual

Choose "Redundant Controller [Function]," and then press [ENTER]. (Note: The current setting will be displayed on the screen. If this controller has never been set as a redundant controller before, the default setting is "Disabled". The message "Redundant Controller - Disabled" will be displayed on the screen. Press [ENTER] to proceed.)

The message "Enable Redundant Controller in Autoconfigure Mode" will appear. Use the arrow keys to scroll through the available options ("Primary," "Secondary," or "Autoconfigure"). Press [ENTER] on "Primary."

•Power off controller 1, then power on controller 2. Set controller 2 to "Secondary" as described above.

•Power off controller 2.

•Power on drives, both controllers, and host computer(s) for the settings to take effect.

•The Primary and Secondary controllers synchronize each other’s configurations at frequent intervals through the established communications path(s). Write-back cache will be disabled if no sync. cache path exists.

•Select "View and Edit SCSI Channels" from the Main Menu, the communications path will be displayed as "RCCOM (Redundant Controller Communications)."

10-28 Infortrend