Hitachi VSP E990 - Controller Board

Number Item Description
1 ALM / RDY LED Red: Power supply unit can be replaced.
2 RDY LED Green: Normal operation.
Controller board
Number Item Description
1 STATUS LED Off: Battery is uninstalled, installed improperly or BKMF
firmware is replaced (in case of a configuration with no battery
installed, the LEDs for BKMF-10 and BKMF-20 go out).
Green On: Battery is fully charged.
Green Blinking: Battery is charged or discharged.
Red On: BKMF has an error.
Red Blinking: BKMF can be removed. A failure occurred in the
battery or preventive maintenance replacement of the batteries is
possible.
2 LAN-RST This is a switch for GUM reset.
If GUM reboot fails, reset GUM forcibly from the hardware.
3 CTL ALM Red On: The controller board is ready to be removed (when the
maintenance work requiring insertion and removal of the controller
board is performed). A failure is detected in the controller board
(when the maintenance work mentioned above is not performed).
Red Blinking: A failure is detected in the controller board, cache
memory, or cache flash memory (CFM).
Amber On: Indicates that the LAN RESET switch is pressed.
Controller board
Chapter 2: Hardware overview
Hitachi Virtual Storage Platform E990 Hardware Reference Guide 16