HP AD510A HP StorageWorks 1500 Modular Smart Array maintenance and service gui - Page 79

Verifying component failure, Removing the controller

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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. 1 2 15512 Removing the controller 1. Review all warnings, cautions, and preparation procedures as detailed in Warnings and precautions. 2. Review all controller-specific warnings, cautions, and preparation procedures as detailed in Before you begin. 3. In all single-controller configurations, power off the MSA as instructed in Removing power from the MSA. 4. In operational dual-controller configurations, access an MSA management utility, such as the MSA Command Line Interface (MSA-CLI) or the Array Configuration Utility (ACU) 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). 2 1 15492 maintenance and service guide 79

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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.
1
2
15512
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 all single-controller con
fi
gurations, power off the MSA as instructed in
Removing power from
the MSA
.
4.
In operational dual-controller con
fi
gurations, access an MSA management utility, such as the
MSA Command Line Interface (MSA-CLI) or the Array Con
fi
guration Utility (ACU) 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
).
2
1
15492
maintenance and service guide
79