61
On
Green
Failure
Amber
NOTE
Make sure
all
power supply modules’ switches are turned on!
Power On Status Check
As a general rule, once the system has been powered on, there should
NOT
be LED(s)
that light up
amber
nor should you hear an audible alarm from the system. You may
verifying system statuses via the following monitoring interfaces: LEDs on rear chassis,
including controller module, PSUs, and cooling modules (refer to System Monitoring).
PSU & Cooling Module LEDs:
PSU LED (
1
):
Power Off Procedure
If you wish to power down the system, please follow these steps:
NOTE
If you wish to power down the system, please ensure that no time-consuming
processes, like “Regenerate Logical Drive Parity” or a “Media Scan,” are taking place.
1.
Stop I/O access to the system
Close your applications running on the host computers to stop all I/O access to the system.
2.
Flush the cache
Locate the C_Dirty LED (refer to Unified Storage System Controller LEDs) on the controller
module to check if there is still cached data in the DRAM (if the LED is lid up in
amber
).
3.
Use the Shutdown Controller function to flush all cached data
(please refer to the PAC
Management Software manual)
4.
Once the cache has been flushed,
you may proceed to power down the system.
