Shut down the controllers - AFF A250
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This procedure is for systems with two node configurations. For more information about graceful shutdown when servicing a cluster, see Gracefully shutdown and power up your storage system Resolution Guide - NetApp Knowledge Base.
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Make sure you have the necessary permissions and credentials:
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Local administrator credentials for ONTAP.
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BMC accessability for each controller.
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Make sure you have the necessary tools and equipment for the replacement.
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As a best practice before shutdown, you should:
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Perform additional system health checks.
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Upgrade ONTAP to a recommended release for the system.
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Resolve any Active IQ Wellness Alerts and Risks. Make note of any faults presently on the system, such as LEDs on the system components.
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Log into the cluster through SSH or log in from any node in the cluster using a local console cable and a laptop/console.
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Stop all clients/host from accessing data on the NetApp system.
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Suspend external backup jobs.
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If AutoSupport is enabled, suppress case creation and indicate how long you expect the system to be offline:
system node autosupport invoke -node * -type all -message "MAINT=2h Replace chassis" -
Identify the SP/BMC address of all cluster nodes:
system service-processor show -node * -fields address -
Exit the cluster shell:
exit -
Log into SP/BMC over SSH using the IP address of any of the nodes listed in the output from the previous step to monitor progress.
If you are using a console/laptop, log into the controller using the same cluster administrator credentials.
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Halt the two nodes located in the impaired chassis:
system node halt -node <node1>,<node2> -skip-lif-migration-before-shutdown true -ignore-quorum-warnings true -inhibit-takeover true
For clusters using SnapMirror synchronous operating in StrictSync mode: system node halt -node <node1>,<node2> -skip-lif-migration-before-shutdown true -ignore-quorum-warnings true -inhibit-takeover true -ignore-strict-sync-warnings true -
Enter y for each controller in the cluster when you see:
Warning: Are you sure you want to halt node <node_name>? {y|n}: -
Wait for each controller to halt and display the LOADER prompt.