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Versioning

Versioning helps protects your data against accidental or malicious deletion by keeping multiple versions of each object in the bucket,identified by a unique version ID.

 Versioning is turned on at the bucket level

 Once enabled,versioning can not be removed from a bucket;it can only be suspended

 If you enable versioning you will get Current version files and previous version files in your bucket. 

 If you delete current version file,if will overwrite with a Delete Marker,if you want to get that object back to you S3 bucket,you can delete the delete marker

To enable versioning on bucket, navigate to properties of the respective bucket and select versioning and select “Enable versioning” option

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Life cycle Management

By using Life cycle management we can automate the storage tiers in S3 buckets.

We can move objects from one storage class/tier to another storage class/tier based on our business requirements.

Here is the possible scenarios:

S3Standard S3IAGlacierDelete

S3StandardGlacierDelete

S3StandardDelete

Steps to enable life cycle management rules:

Select the S3 bucket which we want to add life cycle rule

Go to management option after selecting the bucket

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Select Add Life cycle rule and then give a valid name for the life cycle rule. We can add prefix,If LC rule will apply to the entire buckets objects

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After entering“name and scope”we need to configure the transitions.We can configure transitions for current version and previous versions.Click“add transition”and enter the days count from“Object creation”.

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For S3-IA We need to store the object for minimum of 30 days and for Glacier 60 days from object creation date.

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In Next step we can configure object expirations

For current version Expiration creates a Delete Marker if Versioning is enabled on this bucket.

For Previous version object will delete permanently

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This is there view status for the life cycle rule that we have created.Review the Life cycle rule and click on“Save”,Created life cycle rule will apply on bucket

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Logging

By enabling logs we can track requests on our Amazon S3 bucket. Logging is off by default.You can enable it from bucket properties.

Every log will contains the below information

 Request or account and IP address

 Bucket name

 Request time  

 Action(GET,PUT,LIST,and so forth)

 Response status or error code 

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