2 Close Guided Maintenance.
Y
ou can also verify component status by navigating to System >
Hardware > Drive Enclosures. The Drive Enclosure overview page lists
the status of each component.
Replace an I/O Module
I/O modules provide the input and output transfer of data. Failure of a single I/O
module degrades connectivity and data availability. Failure of two I/O modules
in the same Drive Enclosure results in data being unavailable on that Drive
Enclosure and might aect the data availability of other Drive Enclosures on the
same string. Replace a failed I/O module as soon as possible.
Prerequisites:
•
Before handling a component, touch a grounded surface to discharge any
static electricity.
• Aach an electrostatic discharge (ESD) wrist strap to your wrist, and stand
on an ESD mat while replacing components.
Each Drive Enclosure has two I/O modules located at the back of the Drive
Enclosure. I/O modules are customer replaceable units (CRUs). Y
ou can replace a
failed I/O module without powering down the Drive Enclosure only if the other
I/O module is operational with a status of Normal.
The following gure shows the I/O modules on the back of the DE2-24P and
DE2-24C Drive Enclosure types.
Note: Notice that I/O module 0 in the DE2-24P Drive Enclosure is inverted.
Drive Enclosure Replacement Procedures
162
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