# ask-community

Martin Groman

08/07/2023, 12:57 PM
Hello, is there any resolution to this issue
How can I go about such assets, with corresponding data already existing before I define them in Dagster? As a for instance, say I define a partitioned asset with data persisted on S3; if partitions exist prior to modelling the asset on Dagster, would I have to re-materialize these partitions in order to reflect reality within Dagster? Any other way to sync the two worlds?
I can't really view the archived message linked in the issue

Tim Castillo

08/07/2023, 4:12 PM
Hi! There hasn't been a resolution to it yet, and the current solution is what Sandy outlines in the linked github discussion