
Automate Amazon FSx for OpenZFS storage expansion using CloudWatch alarms and AWS Lambda to automatically increase file system capacity when utilization reaches a defined threshold.


<div><p>This article explains how to automate storage expansion for Amazon FSx for OpenZFS using CloudWatch and Lambda.</p><ul><li>FSx for OpenZFS enables independent scaling of storage, throughput, and IOPS capacity</li><li>CloudWatch monitors file system utilization and triggers alarms at defined thresholds</li><li>Lambda automatically increases storage capacity by a configured percentage when threshold reached</li><li>Solution uses CloudFormation template for easy deployment and configuration</li><li>File system must wait 6 hours between scaling events; minimum 10% capacity increase required</li><li>SNS sends email notifications when storage capacity upgrades are processed</li><li>Lambda ensures IOPS meet 3 IOPS per GiB requirement for user-provisioned mode</li></ul><p>The automated solution ensures FSx for OpenZFS maintains optimal performance and reliability by preventing full capacity situations.</p></div>


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