AWS Administration Cookbook

How to do it...

1. First, we need to define a few parameters:
   • ExpirationInDays: This is the maximum amount of time we want to have our files kept in backup for. We've set a default for this value of 2,555 days (7 years).
   • TransitionToInfrequentAccessInDays: After a backup has been copied to S3, we want to move it to the infrequently accessed class to reduce our costs. This doesn't affect the durability of the backup, but it does have a small impact on its availability. We'll set this to 30 days.
   • TransitionToGlacierInDays: After the backup has been kept in the infrequently accessed class for a while, we want to move it to Glacier. This again helps us reduce our costs at the expense of retrieval times. If we need to fetch a backup from Glacier, ...