Related Manuals for NetApp AFF A90
Summarization of Contents
Maintain AFF A70, AFF A90 Hardware
Boot Media
The boot media stores a primary and secondary set of boot image files that the system uses when it boots.
Chassis
The chassis is the physical enclosure housing all the controller components such as the controller/CPU unit, power supply, and I/O.
Controller
A controller consists of a board, firmware, and software. It controls the drives and implements the ONTAP functions.
DIMM
You must replace a DIMM (dual in-line memory module) when a memory mismatch is present, or you have a failed DIMM.
Drive
A drive is a device that provides the physical storage media for data.
Fan
The fan cools the controller.
NVRAM
NVRAM module protects and saves in-flight data if system loses power.
NV Battery
NVRAM battery provides power to NVRAM module during data destaging after power loss.
I/O Module
I/O module is a hardware component acting as an intermediary for data exchange with the controller.
Power Supply
A power supply provides a redundant power source in a controller.
Real-time Clock Battery
A real time clock battery preserves system date and time information if the power is off.
System Management Module
The System Management module provides the interface between the controller and a console or laptop for controller or system maintenance purposes.
Shut Down Controller
Option 1: Most Systems
Procedure to shut down the impaired controller for most system configurations.
Option 2: Controller in a MetroCluster
Procedure to shut down the impaired controller for MetroCluster configurations.
Replace Boot Media
Transfer Boot Image to Boot Media
Procedure to transfer an ONTAP image to the boot media using a USB flash drive.
Boot Recovery Image
Steps to boot the ONTAP image from the USB drive and restore the file system.
Encryption Restore
Systems with Onboard Key Manager Server Configuration
Restore the onboard key manager configuration from the ONATP boot menu.
Systems with External Key Manager Server Configuration
Restore the external key manager configuration from the ONATP boot menu.
Controller Module Replacement
Shut Down the Impaired Controller
Procedure to shut down or take over the impaired controller for maintenance.
Replace Controller Module Hardware
Steps to move FRU components and install the replacement controller module.
I/O Module
Add I/O Module
Procedure to add an I/O module to a storage system with empty slots.
Replace I/O Module
Procedure to replace a failed I/O module.
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