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System Operation and Monitoring
4.1 Power On
Once all of the disk drives have been properly installed and the I/O ports or
management interfaces have been connected, the subsystem can be powered
on.
4.1.1
Check List
BEFORE powering on the subsystem, please check the following:
Power On
Memory module: The cache memory usually comes as a pre-
installed module. If a separately-purchased memory is applied,
make sure the memory module has been correctly installed on the
controller boards.
BBU: For dual-controller models, BBU(s) are also pre-installed.
Make sure BBU(s) have been installed correctly.
MUX Kits: Also the pre-installed modules.
Hard drives: Hard drives have been correctly installed in the drive
trays.
Drive trays: All the drive trays, whether or not they contain a hard
drive, have been installed into the subsystem.
Cable connections: The subsystem has been correctly connected to
host computer(s) or external networking devices.
Power cords: The power cords have been connected to the PSUs
on the subsystem and plugged into the main power source.
Ambient temperature: All subsystem components have been
acclimated to the surrounding temperature.
Chapter 4
4-1
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