Ensure that deferred maintenance is enabled for all your AWS Redshift clusters in order to keep your data warehouse running without interruption during critical business periods. Amazon Redshift service gives you the option to defer maintenance for your clusters by up to 14 days.
This rule can help you with the following compliance standards:
This rule resolution is part of the Cloud Conformity Security & Compliance tool for AWS
If your organization runs mission critical workloads on Amazon Redshift, during high business activity period, you might want to defer the scheduled maintenance to a less busy interval. With the Deferred Maintenance feature you can postpone scheduled maintenance up to 14 days. During this time, AWS Redshift does not apply any software updates.
Note: The deferred maintenance period is overridden if a mandatory hardware replacement is scheduled on your Redshift cluster. In this case you will get an event notification via AWS Management Console and the SNS subscription available.
To determine if your Amazon Redshift clusters have deferred maintenance enabled, perform the following:
Remediation / Resolution
To modify your Amazon Redshift clusters configuration in order to enable and configure deferred maintenance, perform the following:
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