Emergency power off/on procedures
This section describes how to shut down the system in case of an emergency
and bring it back up after an emergency shutdown.
Note:
Observe the following guidelines when powering on or powering off
PDUs.
•
Controllers:
Turn PDUs off first. Turn PDUs on last.
•
Drives:
Turn PDUs off last. Turn PDUs on first.
Emergency power off procedure
The storage system does not have an emergency power off switch. To turn
off the system during an emergency, first, turn off the controllers and then
the drive units.
Procedure
1.
Open the back doors of both racks that contain control units.
2.
Turn off the circuit breakers in the following order:
a. Turn off the circuit breakers in both lower PDUs in both racks.
b. Turn off the circuit breakers in both upper PDUs in both racks with
control units.
3.
Open the back doors of all racks containing only drive units and, in any
order, turn off the circuit breakers to all the PDUs.
Power on procedure after emergency power off
To turn the power on to the storage system after an emergency shutdown,
use the following instructions.
Procedure
1.
In all system racks, turn on the circuit breakers in the PDUs supplying
electrical power to the drive units.
2.
In both controller racks, turn on the circuit breakers in the PDUs
supplying electrical power to the controllers.
3.
Follow the instructions in
Normal power on/off procedures on page 110
.
Battery backup operations
The storage system is designed not to lose data or configuration information
when the power fails. The battery system is designed to provide sufficient
power with fully charged batteries to completely back up all data in the cache
if two consecutive power failures occur. If the batteries do not contain enough
charge to provide sufficient time to back up the cache when a power failure
112
Power on/off procedures
Hitachi Virtual Storage Platform G1000, G1500, and Virtual Storage Platform F1500 Hardware Guide
Содержание F1500
Страница 12: ...12 Preface Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
Страница 50: ...50 Introduction Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
Страница 106: ...106 Site preparation Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
Страница 120: ...120 Troubleshooting Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
Страница 132: ...132 Specifications Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
Страница 182: ...182 System option modes Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
Страница 204: ...204 Glossary Hitachi Virtual Storage Platform G1000 G1500 and Virtual Storage Platform F1500 Hardware Guide ...
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