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AWS Brings ‘Intelligent’ Storage to Elastic File System Amazon Web Services (AWS) has added its “Intelligent-Tiering” feature to the Elastic File System service, letting users take better advantage of lower-priced storage classes in EFS. Intelligent-Tiering automates the transfer of items from a regular-priced storage level to a lower-priced tier if there is a change in the frequency that the item is accessed. Regular storage tiers are best for objects that are frequently accessed and used regularly. For objects that are not accessed often or infrequently, lower-priced storage tiers are preferred. Intelligent-Tiering automates the process of moving objects from one tier into another. According to a blog post written by Channy Yun (principal developer advocate at AWS), Intelligent-Tiering was made available to all EFS users on Thursday. He wrote that Amazon EFS Intelligent-Tiering is now available to all EFS users. It automatically optimizes storage costs when data access patterns change. This feature does not require any operational overhead. Intelligent-Tiering will allow objects to be moved across all four levels of EFS storage.

  • EFS Standard: Data stored in multiple availability areas
  • EFS Standard-Infrequent Access (IA), for Standard data that is infrequently or irregularly accessed
  • Amazon EFS One Zone: To store redundant data in a single availability area
  • Amazon EFS One Zone-Infrequent Access: This is for One Zone data that is infrequently or irregularly accessed

The IA storage levels are less expensive than their counterparts. They are for files that haven’t been accessed in between seven and ninety days, depending on the organization’s lifecycle policy. They are a cost-effective solution for files that are less critical. Customers may be charged extra if files in IA get accessed more often than they are supposed to, such as if they forget to move it to the Standard Tier. Yun stated that EFS Intelligent-Tiering monitors your file system’s access patterns and moves files that are not being accessed for the length of the policy from EFS Standard to EFS One Zone or EFS Standard-IA depending on whether your file systems use EFS Standard storage classes or EFS One Zone storage clases. “If the file is accessed once more, it is moved back into EFS Standard or EFS One Zone storage categories.” You can find more information about Intelligent-Tiering in EFS here. Intelligent-Tiering for Amazon S3 Updated AWS also announced two new capabilities in its Intelligent-Tiering feature (S3). S3 Intelligent-Tiering is currently only available for objects larger than 128KB and kept for a minimum period of 30 days. Monitoring and automation charges for objects smaller than 128KB will no longer be collected as of today. This includes both new and existing objects in the S3 intelligent-Tiering storage classes,” wrote Sean M. Tracey in an article. Prorated charges will not be applied to objects that are deleted, transferred, or overwritten within the next 30 days. You can find more information about Intelligent-Tiering in S3 here.

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