Start a zonal shift for your Application Load Balancer
The steps in this procedure explain how to start a zonal shift using the Amazon EC2 console. For steps to start a zonal shift using the ARC console, see Starting a zonal shift in the Amazon Application Recovery Controller (ARC) Developer Guide.
Prerequisite
Before you begin, verify that you enabled zonal shift for the load balancer.
To start a zonal shift using the console
Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/
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On the navigation pane, under Load Balancing, choose Load Balancers.
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Select the Application Load Balancer.
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On the Integrations tab, under Amazon Application Recovery Controller (ARC), choose Start zonal shift.
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Select the Availability Zone that you want to move traffic away from.
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Choose or enter an expiration for the zonal shift. A zonal shift can initially be set from 1 minute up to three days (72 hours).
All zonal shifts are temporary. You must set an expiration, but you can update active shifts later to set a new expiration.
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Enter a comment. You can update the zonal shift later to edit the comment, if you like.
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Select the check box to acknowledge that starting a zonal shift reduces capacity for your application by shifting traffic away from the Availability Zone.
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Choose Confirm.
To start a zonal shift using the AWS CLI
Use the Amazon Application Recovery Controller (ARC) start-zonal-shift command.
