Kaijie Chen created HDDS-8343:
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Summary: Failed to elect leader due to Ratis group not found
Key: HDDS-8343
URL: https://issues.apache.org/jira/browse/HDDS-8343
Project: Apache Ozone
Issue Type: Bug
Reporter: Kaijie Chen
Attachments: image-2023-03-31-15-27-41-215.png,
image-2023-03-31-15-28-14-906.png
We have encountered some problem during upgrade.
Suppose we have 3 DataNodes forming a ratis group.
On DN1 and DN2, the pipeline was closed and ratis group has been deleted.
On DN3, the ratis group has not been deleted, so it failed to elect a leader.
In this situation, we cannot read data from this pipeline.
Here are the logs
!image-2023-03-31-15-27-41-215.png!
!image-2023-03-31-15-28-14-906.png!
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