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 ash
memory
N/A
5 ALM LED (for
cache ash
memory)
Red: Cache ash 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
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