Number Item Description
4
Backup module
N/A
5 BACKUP LED
Green: Power restoration in
progress following power
outage.
Fast blink green: Restoring.
Slow blink green: Restoring or
sequential shutdown in
progress.
6
Cache flash memory
N/A
7
ALM LED (for cache flash
memory)
Red: Cache flash memory can
be removed.
8
 CTL ALM LED Red: Controller can be
removed.
Blink red: Failure with the
controller's power supply unit.
Amber: LAN reset switch was
pressed.
9
LAN-RST switch Use only when instructed by
Hitachi Support.
10
 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.
Blink red three times: Both
batteries failed or preventive
maintenance replacement of
batteries can be performed.
Off: Battery is not mounted,
battery-mounting failure
occurred, or firmware is being
upgraded. Off is normal status
for configurations with no
batteries (for example,
BKMF-10 and BKMF-20).
CBLH rear panel
 
26 Hardware description
Hitachi Virtual Storage Platform G800 Hardware Reference Guide