New AWS S3 Storage Class : Standard Infrequent Access

S3 Standard – Infrequent Access is Amazon Web Services new S3 storage class. The new class provides all of S3’s existing feature set for infrequently accessed files.

Here are some examples where S3 Standard IA can be used, where Glacier is’nt suitable due to the longer retrieval times nor S3 Reduced Redundancy Storage which has a lower durability.

– for retrieving older files more quickly than stored on Glacier
– for reliable hot-backups
– in DR scenarios

S3 Standard IA is also cheaper and offers a higher durability than S3 Reduced Redundancy storage, so this new storage class is worth investigating within your environment.

Here’s a quick summary of S3’s durability by storage class..

– Standard Storage -> 99.99% availability and 99.99999999999% of durability,
– Standard IA -> 99% availability and 99.999999999% of durability.
– Reduced Redundancy Storage -> 99.99% availability and 99.99% of durability
** RRS : You will loose 1 object per year if you have 10,000 objects in an S3 bucket.
– Glacier -> 3-5 Hours availability and 99.99999999999% of durability.

https://aws.amazon.com/blogs/aws/aws-storage-update-new-lower-cost-s3-storage-option-glacier-price-reduction/

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