Hitachi VSP E990 Hardware Reference Manual page 13

Number
1 Controllers
2 Backup module
3 BACKUP LED
4 Cache flash memory
5 ALM LED (for cache flash
memory)
6 CTL ALM LED
7 LAN-RST switch
8 STATUS LED (for BKMF)
Hitachi Virtual Storage Platform E990 Hardware Reference Guide
Item
Controller 1 (bottom) and Controller 2 (top).
N/A
Green: Power restoration in progress following
power outage.
Fast blink green: Restoring.
Slow blink green: Restoring, or sequential shutdown
in progress.
N/A
Red: Cache flash memory can be removed.
Red: Controller can be removed.
Blink red: Failure with the power supply unit of the
controller.
Amber: LAN reset switch was pressed.
Use only when instructed by customer support.
Green: Charging of the battery in the backup
module is complete.
Red: Backup module can be removed.
Blink red one time: Main battery failure.
Blink red two times: Backup battery failure.
Chapter 2: Hardware overview
Controller chassis
Description
13