controller modules to the new chassis, and that the replacement chassis is a new component from
NetApp.
• This procedure is disruptive. For a two-node cluster, you will have a complete service outage and a
partial outage in a multi-node cluster.
= Shut down the controllers - ASA C250
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This procedure is for 2-node, non-MetroCluster configurations only. If you have a
system with more than two nodes, see
How to perform a graceful shutdown and
power up of one HA pair in a 4-node cluster
.
Before you begin
You need:
• Local administrator credentials for ONTAP.
• NetApp onboard key management (OKM) cluster-wide passphrase if using storage encryption.
• SP/BMC accessability for each controller.
• Stop all clients/host from accessing data on the NetApp system.
• Suspend external backup jobs.
• Necessary tools and equipment for the replacement.
If the system is a NetApp StorageGRID or ONTAP S3 used as FabricPool cloud tier, refer
to the
Gracefully shutdown and power up your storage system Resolution Guide after
performing this procedure.
If using FlexArray array LUNs, follow the specific vendor storage array documentation for
the shutdown procedure to perform for those systems after performing this procedure.
If using SSDs, refer to SU490: (Impact: Critical) SSD Best Practices: Avoid risk of drive
failure and data loss if powered off for more than two months
As a best practice before shutdown, you should:
• Perform additional
system health checks.
• Upgrade ONTAP to a recommended release for the system.
•
Resolve any
Active IQ Wellness Alerts and Risks.
Make note of any faults presently on the system, such as LEDs on the system components.
Steps
1. Log into the cluster through SSH or log in from any node in the cluster using a local console cable and
a laptop/console.
2. Turn off AutoSupport and indicate how long you expect the system to be off line:
system node autosupport invoke -node * -type all -message "MAINT=8h Power
Maintenance"
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