topic Re: Clarification on Unity Catalog Metastore - Metadata and storage in Administration & Architecture https://community.databricks.com/t5/administration-architecture/clarification-on-unity-catalog-metastore-metadata-and-storage/m-p/133393#M4129 <P><a href="https://community.databricks.com/t5/user/viewprofilepage/user-id/170854">@APJESK</a>&nbsp;Replied here&nbsp;<A href="https://community.databricks.com/t5/data-governance/clarification-on-unity-catalog-metastore-metadata-and-storage/td-p/133389" target="_blank">https://community.databricks.com/t5/data-governance/clarification-on-unity-catalog-metastore-metadata-and-storage/td-p/133389</A></P><P>&nbsp;</P> Tue, 30 Sep 2025 16:55:41 GMT nayan_wylde 2025-09-30T16:55:41Z Clarification on Unity Catalog Metastore - Metadata and storage https://community.databricks.com/t5/administration-architecture/clarification-on-unity-catalog-metastore-metadata-and-storage/m-p/133388#M4128 <P>Where does the <STRONG>Unity Catalog metastore metadata</STRONG> actually reside?</P><UL><LI><P>Is it stored and managed in the <STRONG>Databricks account (control plane)</STRONG>?</P></LI><LI><P>Or does it get stored in the <STRONG>customer-managed S3 bucket</STRONG> when we create a bucket for Unity Catalog metastore?</P></LI></UL><P>I want to clarify whether the S3 bucket we configure is only for <STRONG>managed tables/volumes</STRONG>, while the <STRONG>metastore metadata</STRONG> itself stays with Databricks.</P> Tue, 30 Sep 2025 14:11:57 GMT https://community.databricks.com/t5/administration-architecture/clarification-on-unity-catalog-metastore-metadata-and-storage/m-p/133388#M4128 APJESK 2025-09-30T14:11:57Z Re: Clarification on Unity Catalog Metastore - Metadata and storage https://community.databricks.com/t5/administration-architecture/clarification-on-unity-catalog-metastore-metadata-and-storage/m-p/133393#M4129 <P><a href="https://community.databricks.com/t5/user/viewprofilepage/user-id/170854">@APJESK</a>&nbsp;Replied here&nbsp;<A href="https://community.databricks.com/t5/data-governance/clarification-on-unity-catalog-metastore-metadata-and-storage/td-p/133389" target="_blank">https://community.databricks.com/t5/data-governance/clarification-on-unity-catalog-metastore-metadata-and-storage/td-p/133389</A></P><P>&nbsp;</P> Tue, 30 Sep 2025 16:55:41 GMT https://community.databricks.com/t5/administration-architecture/clarification-on-unity-catalog-metastore-metadata-and-storage/m-p/133393#M4129 nayan_wylde 2025-09-30T16:55:41Z