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EonStor A16E-G2130-4 Installation and Hardware Reference Manual
Audible Alarm - If any errors occur during the initialization process, the onboard
alarm will sound in a hastily repeated manner.
Drive tray LEDs should normally start flashing right after power-on, indicating the RAID
control unit is attempting to access the hard drives.
NOTE:
The subsystem has been designed to run continuously. Even if a component failure
occurs the fault can be corrected online.
4.4 Power Off Procedure
To power down the EonStor subsystem, please follow these steps:
NOTE:
When powering down the EonStor subsystem, please ensure that no time-consuming
processes, like a “Logical Drive Parity Regeneration” or a “Media Scan,” are taking
place.
Step 1. Stop I/O access to the system.
Stop all I/O accesses to the A16E subsystem. Please refer to the related
documentation of your applications.
Step 2. Flush the cache.
Locate the Cache_Dirty LED on the back of controller module to check
if there is data cached in the memory. Use the Shutdown Controller
function to flush all cached data. This prepares the RAID subsystem to
be safely powered down.
Step 3. Turn off the power.
Turn off the power. Once the RAID subsystem has been powered down,
other devices connected to the subsystem can be powered down.
4-8 Power Off Procedure