How to reindex data after 7.10 update

[rgeisman (Rachel)]

Hi warkolm, thanks a bunch for helping me with question. The question actually is leading to this problem. Reindexing might not have anything to do with it. After upgrading, we have the dynamic index set but it doesn't write to new 7.10 index. The beats are all trying to write to old indices

Upgraded beats (7.10) still writing to old version indices

Hello all. A maddening problem. We upgraded our cluster to 7.10 (ES, Logstash, Metricbeat, Auditbeat, Filebeat). Since we use Logstash I manually loaded each index template for the beats and default dashboards, then I removed the old index templates for earlier versions, and closed the indices for the old ones. When we start logstash it tries to write to the old beat index! Here is our output below, along with the error we see in Logstash. Anyone have a hint on how to fix this? Not writing…