[HDDS-10462] Fail Datanode Decommission Early

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Implemented
• Fix Version/s: 2.0.0
• Component/s: SCM
• Labels: pull-request-available
• Target Version/s: 2.0.0
• Epic Link: Let Datanode decommission/maintenance fail early when possible
• Assignee: Tejaskriya Madhan
• Reporter: Siddhant Sangwan
• Created: 05/Mar/24 11:06
• Updated: 02/Apr/24 08:32
• Resolved: 02/Apr/24 08:17

Description

Implement logic to fail Datanode decommission early when possible. The criteria for failing early is not having sufficient number of Datanodes in the cluster. For example, a cluster with 10 Datanodes and some EC 6-3 containers cannot have more than 1 Datanode decommissioned.

Issue Links

• links to: GitHub Pull Request #6367