Overview

This node operation retrieves detailed information about a specific volume within the Unity Catalog in Databricks. It is useful for users who need to access metadata or properties of a volume by specifying the catalog name, schema name, and volume name. For example, a data engineer might use this operation to verify volume configurations or to audit storage usage within a particular schema and catalog.

Use Case Examples

1. Retrieve volume details by specifying catalog 'main', schema 'default', and volume 'my_volume'.
2. Use this operation to fetch volume metadata for monitoring or management purposes.

Properties

Output

JSON

• id - Unique identifier of the volume.
• name - Name of the volume.
• catalog_name - Name of the catalog the volume belongs to.
• schema_name - Name of the schema the volume belongs to.
• volume_type - Type of the volume.
• comment - Optional comment or description of the volume.
• storage_location - Storage location URI of the volume.
• created_at - Timestamp when the volume was created.
• updated_at - Timestamp when the volume was last updated.

Dependencies

• Databricks API with appropriate authentication token

Troubleshooting

• Ensure the catalog name, schema name, and volume name are correctly specified and exist in the Unity Catalog.
• Check that the API authentication token is valid and has sufficient permissions to access Unity Catalog volumes.
• Common error messages include '404 Not Found' if the volume does not exist, or '401 Unauthorized' if authentication fails. Verify credentials and resource names to resolve these errors.

Links

• Databricks Unity Catalog - Get Volume - Official documentation for the Get Volume API in Unity Catalog.