4 Checking Hardware Installation
4a
Checking device installation
Check Item
Controller
The device sits stably on the guide rails
enclosure
without displacement.
Screws are properly secured.
Disk enclosure
4b
Checking cable connections
Check Item
Ground cable, optical
fiber cable, mini SAS HD
electrical cable/optical
cable, network cable,
and serial cable
AC power cable
5 Powering On the Storage System
NOTICE
To avoid electric shock, do not wear an ESD wrist strap when the storage system is powering on.
Do not change cable connections between enclosures after power-on. Otherwise the storage system may
malfunction.
The power-on of the storage system takes 15 to 30 minutes. When the power indicator on the controller enclosure no longer
blinks, the power-on is completed.
Follow the correct power-on sequence of the storage system: Turn on the external power supplies to each
device (disk enclosures first and then controller enclosures). → Press the power buttons on the controller
enclosures. → Power on the switch. → Power on the application servers.
Follow the correct power-off sequence of the storage system: Stop host services. → Press and hold down the
power buttons (typically for five seconds) on the controller enclosures until the system is powered off. →
Disconnect the controller enclosures and the disk enclosures from their power supplies.
Switching on external power supplies
5a
Turn on external power supplies in the following sequence:
disk enclosures → controller enclosures → switches (for a SAN) → application servers.
Scenario 1 Turning on the switches of the power
distribution box
Normal
Normal
The cable is fully inserted and secured.
The AC power cables for each controller
enclosure or disk enclosure are connected to
two separate power supplies for redundancy.
The AC power cables are secured with
plastic buckles.
Rear
Front
The device slants or cannot be detected.
Screws are loose or have fallen off.
The cable is loose or disconnected.
The AC power cables for each controller
enclosure or disk enclosure are
connected to the same power supply.
The AC power cables are not secured
with plastic buckles.
Scenario 2 Turning on the switch of the PDU
13
Abnormal
Abnormal
Front
Rear
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