# IBM Db2 — z/OS

Catalog and govern IBM Db2 for z/OS assets in Atlan for discovery and governance.

## Required permissions

- [Preflight checks for IBM Db2 for z/OS](https://docs.atlan.com/llms/connectors/ibm-db2-for-zos/preflight-checks-for-ibm-db2-for-zos/llms.txt): Before running the IBM Db2 for z/OS crawler, run preflight checks to perform necessary technical validations.

## Setup options

- [Set up IBM Db2 for z/OS](https://docs.atlan.com/llms/connectors/ibm-db2-for-zos/set-up-ibm-db2-for-zos/llms.txt): Create a least-privilege Db2 for z/OS authorization ID and grant the catalog access Atlan needs to crawl metadata.

## Crawl and mine

- [Crawl IBM Db2 for z/OS](https://docs.atlan.com/llms/connectors/ibm-db2-for-zos/crawl-ibm-db2-for-zos/llms.txt): Extract metadata from IBM Db2 for z/OS to catalog databases, schemas, tables, views, columns, stored procedures, and functions in Atlan.

## Reference

- [How Atlan connects to IBM Db2 for z/OS](https://docs.atlan.com/llms/connectors/ibm-db2-for-zos/how-atlan-connects-to-ibm-db2-for-zos/llms.txt): Understand how Atlan securely connects to your IBM Db2 for z/OS subsystem to extract metadata.
- [What does Atlan crawl from IBM Db2 for z/OS?](https://docs.atlan.com/llms/connectors/ibm-db2-for-zos/what-does-atlan-crawl-from-ibm-db2-for-zos/llms.txt): Metadata Atlan extracts from IBM Db2 for z/OS - databases, schemas, tables, views, columns, stored procedures, and functions - mapped to Atlan assets.