Note: this post applies to CloudBerry Explorer 2.1 and later.
Reduced Redundancy Storage (RRS) enables users to store data in S3 at a 33% discount to our standard pricing in return for a reduced level of durability. Amazon S3 stores objects according to their storage class, which is assigned when an object is written.
Newer version of CloudBerry Explorer allows users to take advantage of RSS by specifying appropriate object class. Just select the bucket and choose Bucket Defaults from the context menu. Turn Use Reduced Redundancy Storage on as you can see on the screen below.
As it states on the screen this storage class will be applied only to the newly copied objects, the existing objects will have their storage class intact.
Important Note: RRS class will only apply automatically if you copy the files over using CloudBerry Explorer. It has no effect on other tools or APIs.
How to update storage class for existing objects in a bucket
To update the storage class for an object you have to set an x-amz-storage-class http header.
To apply the header select the objects and click Set HTTP Headers in the context menu.
Click Add and type x-amz-storage-class for Http Header and REDUCED_REDUNDANCY for Value as shown below. The values are case sensitive. Click ok and ok to close the Set HTTP Headers dialog.
Note: After applying this header you won't see it next time you request for file headers.
Check out this blog post on detailed instruction on applying http headers using CloudBerry Explorer.
How to check a storage class for existing objects in a bucketIn version 2.2 you will be able to view the storage class for existing objects by looking into its properties. Look for the Storage Class attribute.
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