Hitachi Virtual Storage Platform, Руководство пользователя и справочник

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Hitachi VSP User and Reference Guide
4–2
Power On/Off Procedures
Safety and environmental information
Standby mode
When the storage system power cables are plugged into the PDUs and the
PDU breakers are ON, the storage system is in standby mode. When the
storage system is in standby mode:
• The Basic Supply (BS) LED on the control panel is ON. This indicates that
AC power is applied to the power supplies but DC power is not supplied
to the rest of the system, except as noted below.
• The READY LED is OFF. This indicates that the controller and drive
chassis are not operational.
• The fans in both the controller and drive chassis are running.
• The cache destage batteries are being charged.
• The storage system consumes significantly less power than it does in
operating mode. For example, a storage system that draws 100 amps
while operating draws only about 70 amps in standby mode. See Table
A-2 VSP electrical specifications. single phase current on page A-3 and
Table A-3 VSP Electrical specifications. three phase current on page A-4
for power consumption specifications.
To put the storage system into standby mode from the OFF condition:
1. Ensure that power is available to the AC input boxes and PDUs in all
racks in which the VSP storage system is installed.
2. Turn all PDU power switches/breakers ON.
To put the storage system into standby mode from a power on condition,
complete the steps in Power Off procedures on page 4-4 .
To completely power down the storage system, complete the power off
procedures in this chapter, then turn off all PDU circuit breakers.
Caution: Before operating or working on the VSP storage system, read the
safety section in the Hitachi Virtual Storage Platform Installation Planning
Guide and the environmental information in Regulatory Compliance on
page C-1 .
WARNING: Make certain that the storage system is powered off normally
and in standby mode before turning off the PDU circuit breakers. Otherwise,
turning off the PDU circuit breakers can leave the storage system in an
abnormal condition.