retention policies broken?

[Gossett]

This is what my storage looks like:

at the moment I can not figure out how to set this in my retention policies. Can anyone point me to the place to do this? seems it's not purging and i'd hate to actually go delete sets manually.

[Colin_Weaver]

You should probably start by reading this

https://www-secure.symantec.com/connect/blogs/data-lifecycle-management-be-2012