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AFF A400 - Replacing the NVDIMM battery.pdf
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2021-09-23
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AFF A400 - Replacing the NVDIMM battery.pdf
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AFF A400 systems
Replacing the NVDIMM battery
To replace the NVDIMM battery, you must remove the controller module, remove the battery, replace the battery, and then
reinstall the controller module.
About this task
All other components in the system must be functioning properly; if not, you must contact technical support.
Shutting down the impaired controller
You can shut down or take over the impaired controller using different procedures, depending on the storage system hardware
configuration.
Shutting down the node
To shut down the impaired node, you must determine the status of the node and, if necessary, take over the node so that the
healthy node continues to serve data from the impaired node storage.
Before you begin
• 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 node shows
false for eligibility and health, you must correct the issue before shutting down the impaired node.
ONTAP 9 System Administration Reference
Steps
1. If AutoSupport is enabled, suppress automatic case creation by invoking an AutoSupport message:
system node autosupport invoke -node * -type all -message MAINT=number_of_hours_downh
Example
The following AutoSupport message suppresses automatic case creation for two hours:
cluster1:*> system node autosupport invoke -node * -type all -message MAINT=2h
2. Disable automatic giveback from the console of the healthy node:
storage failover modify –node local -auto-giveback false
3. Take the impaired node to the LOADER prompt:
If the impaired node is displaying... Then...
The LOADER prompt Go to the next step.
Waiting for giveback... Press Ctrl-C, and then respond y when prompted.
1
215-14261_2020-02_en-us February 2020 Copyright
©
2020 NetApp, Inc. All rights reserved.
Web: www.netapp.com • Feedback: doccomments@netapp.com
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