Verifying component failure
Before replacing the controller, cache module, or battery pack:
•
Check the controller LCD display panel for error messages.
•
Record any Failure LEDs or LCD panel messages for reference purposes.
•
Check the controller Heartbeat LED (
1
) . If the LED is not blinking, it might indicate a failure.
•
Check the controller Fault LED (
2
) . If the LED is on, it might indicate a failure.
Removing the controller
1.
Review all warnings, cautions, and preparation procedures as detailed in
Warnings and precautions
.
2.
Review all controller-speci
fi
c warnings, cautions, and preparation procedures as detailed in
Before
you begin
.
3.
In single-controller con
fi
gurations, schedule an maintenance window for the service. For instructions
on shutting down the MSA, see
Powering off the MSA1510i
.
4.
In operational dual-controller con
fi
gurations, access a management utility, such as the MSA
Command Line Interface (MSA-CLI) or Storage Management Utility (SMU) and disable the controller
being removed. For instructions, see online help. (During this procedure, because one of the two
controllers is being removed, the MSA operates in a non-redundant mode.)
5.
Press the controller thumb latch and rotate the latch handle out (
1
).
6.
Pull the controller straight out of the chassis (
2
).
Removing the controller cache module
If your system is equipped with a single controller, and you must replace the controller cache:
•
You must schedule a maintenance window and remove power from the system to perform the service.
If your system is equipped with two controllers:
1510i Modular Smart Array maintenance and service guide
47