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Graylog2 / graylog2-server

Free and open log management
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DataNode: Check that DataNode is off during the In-Place migration #19833

Closed vvasylenko closed 1 month ago

vvasylenko commented 3 months ago

We need to ensure that DataNode is not running for In-Place migration until step 5. Stop message processing. Because if DataNode is already running after stopping OpenSearch on Step 5. User can't proceed further with migration, error appears "Only stopped data nodes can be started."

Expected Behavior

We check from the beginning of the In-Place migration that DataNode is not running.

Steps to Reproduce (for bugs)

  1. Go to In-Place migration (with running DataNode)
  2. Go to the step 5 Stop message processing
  3. Stop OpenSearch
  4. Click Next button

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