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PS4100 Hardware Maintenance Guide
Item Feature
1
Power switches (one
on each power supply)
2
Power supply and
cooling fan module
3
Type 12 Control
Module
4
Control Module
Release Lever
Shutting Down and Restarting an Array
A PS Series array includes redundant, hot-swappable drives, power supplies, and control modules (in a dual
control module array). You can remove a redundant component without affecting operation if a functioning
component is available. Otherwise, it is recommended that you cleanly shut down the array and turn off
power before removing a component.
Note: When an array is shut down, any volumes with data on the array will be set offline until the array is
successfully restarted. This may affect initiators that are connected to the volumes.
1. Do one of the following:
•
Use telnet or SSH to connect to a functioning IP address assigned to a network interface on the
array. Do not connect to the group IP address.
•
Use the null modem cable shipped with the array to connect to the serial port on the active control
module (ACT LED is green) to a console or a computer running a terminal emulator.
Make sure the serial line characteristics are as follows:
•
9600 baud
•
One STOP bit
•
No parity
•
8 data bits
•
No flow control
2. Log in to an account with read-write access, such as the
Table 2 Array Back Panel Features
Identifier
Description
None
The power switch controls the power supply output to
the array.
PSU0 (left)
700 Watt power supply.
PSU1 (right)
For more information, see
29.
CM0 (top)
The control module provides:
• a data path between the array and the applications
CM1 (bottom)
using the storage
• array management functions for your array
None
Enables you to remove the control module from the
array.
Basic Storage Array Information
Power Supply LEDs on page
account.
grpadmin
5