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SecurStor16i Installation and Hardware Reference Manual
4-8
4.4 Power Off Procedure
To power down the EMD subsystem, please follow these steps:
NOTE:
When powering down the EMD 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 SS16i 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.