Rucio, the data management software initially developed for ATLAS, has been in use at Belle II since January 2021. After the transition to Rucio, new features and functionality were implemented in Belle II grid tools based on Rucio, to improve the experience of grid users. The container structure in the Rucio File Catalog enabled us to define collections of arbitrary datasets, allowing the simple definition of official datasets for physics analyses that result in a reduction of potential mistakes and pre-analysis work for users. Other features, including asynchronous replication, deletion, and direct resolution of file level path information, have improved the experience of analysis on the grid at Belle II. We will describe how the implementation in the Belle II computing architecture was performed to exploit the features from Rucio and how it has enhanced the user experience for analysts.
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