NetApp ASA C Series Install page 15

Real-time clock battery
A real time clock battery preserves system date and time information if the power is off.
Boot media
Overview of boot media replacement - ASA C250
The boot media stores a primary and secondary set of system (boot image) files that the
system uses when it boots.
Before you begin
• You must have a USB flash drive, formatted to MBR/FAT32, with the appropriate amount of storage to hold
the
image_xxx.tgz
• You also must copy the
About this task
• The nondisruptive and disruptive methods for replacing a boot media both require you to restore the
file system:
◦ For nondisruptive replacement, the HA pair must be connected to a network to restore the
system.
◦ For disruptive replacement, you do not need a network connection to restore the
the process requires two reboots.
• You must replace the failed component with a replacement FRU component you received from your
provider.
• It is important that you apply the commands in these steps on the correct controller:
◦ The impaired node is the controller on which you are performing maintenance.
◦ The healthy node is the HA partner of the impaired controller.
Check onboard encryption keys - ASA C250
Prior to shutting down the impaired controller and checking the status of the onboard
encryption keys, you must check the status of the impaired controller, disable automatic
giveback, and check which version of ONTAP is running on the system.
If you have a cluster with more than two nodes, it must be in quorum. If the cluster is not in quorum or a healthy
controller shows false for eligibility and health, you must correct the issue before shutting down the impaired
controller; see the Synchronize a node with the
Steps
1. Check the status of the impaired controller:
◦ If the impaired controller is at the login prompt, log in as admin.
◦ If the impaired controller is at the LOADER prompt and is part of HA configuration, log in as
the healthy controller.
◦ If the impaired controller is in a standalone configuration and at LOADER prompt, contact
mysupport.netapp.com.
2. If AutoSupport is enabled, suppress automatic case creation by invoking an AutoSupport message:
file.
image_xxx.tgz file to the USB flash drive for later use in this procedure.
cluster.
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file
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file system, but
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on
admin
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