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Hardware Owner's Manual
Important Considerations
Use this button only in when you must shut down a member fast, in situations where you do not have access to
the Group Manager GUI or CLI.
In standby mode, any volumes that use space on that member or that are bound to that member become
Caution:
unavailable!
All operations on the member are suspended, there is no I/O activity to or from the member, and the member's
firmware is not running.
Use the Standby On/Off button only when you need to quickly shut down an array and you may not have access
to the GUI or CLI; for example, if you discover a problem in your lab environment, such as high temperature or
a water leak that may damage the array, that requires you to shut down the array as soon as possible.
Do not shut down the array (with the standby on/off button or by any other method) before replacing a
Caution:
failed control module! If the member is shut down and a control module is removed, the array automatically
returns to full-power mode.
Using the Standby On/Off button on one member does not affect any other group members. You must press the
button on each member that has it. Group members that do not have the button remain online; to shut them down,
you must use the GUI or CLI.
Replacing a Control Module
If a control module fails, remove it and replace it with a functioning control module, as described in this section.
You will also need to temporarily remove a control module when you want to replace its microSD card. Refer to
Replacing the MicroSD Card on page 29
You can partially or completely remove a control module without shutting down the array if the remaining
control module has at least one connected and functioning network interface. The procedures for doing this type
of control module replacement are described in
When you remove a control module, wear an electrostatic wrist strap, as described in
page
2, and be sure to place it on a surface that is protected from electrostatic discharge.
Caution:
•
Do not remove an active control module.
•
Do not remove a control module from an array while the control modules are synchronizing. A message
will appear on the console when synchronization completes. The ACT LED on the secondary control
module will be orange when synchronization completes.
•
For proper cooling, do not leave a control module slot empty. If an array will operate for a long time with
only one control module, you must install a blank in the empty slot. You can order a control module blank
from your PS Series array service provider.
•
Do not remove a failed control module until you are ready to replace it.
24
for information about replacing the MicroSD card.
Control Module Replacement Procedures on page
3 Maintaining Control Modules
25.
Protecting Hardware on