Number
Item
Description
1
Controllers
Controller 1 (bottom) and Controller 2 (top).
2
Backup module
N/A
3
BACKUP LED
Green: Power restoration in progress following power
outage.
Fast blink green: Restoring.
Slow blink green: Restoring, or sequential shutdown in
progress.
4
Cache flash
memory
N/A
5
ALM LED (for
cache flash
memory)
Red: Cache flash memory can be removed.
6
CTL ALM LED
Red: Controller can be removed.
Blink red: Failure with the power supply unit of the
controller.
Amber: LAN reset switch was pressed.
7
LAN-RST switch
Use only when instructed by customer support.
8
STATUS LED (for
BKMF)
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.
Controller chassis
Chapter 2: Hardware overview
Hitachi Virtual Storage Platform 5000 Series Hardware Guide
16
