DPE-3389 support rollback incompat data dir

canonical / mysql-k8s-operator

A Charmed Operator for running MySQL on Kubernetes

https://charmhub.io/mysql-k8s

Apache License 2.0

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Closed paulomach closed 8 months ago

paulomach commented 9 months ago

Upgrade rollback fails when new mysqld modify data_dir without backward compatibility.

Add treatment for the case that data_dir is modified, for multi-unit cluster (reset and clone)