Guanghao Zhang created HBASE-20529:
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Summary: Make sure that there are no remote wals when transit
cluster from DA to A
Key: HBASE-20529
URL: https://issues.apache.org/jira/browse/HBASE-20529
Project: HBase
Issue Type: Sub-task
Components: Replication
Reporter: Guanghao Zhang
Consider we have two clusters in A and S state, and then we transit A to DA.
And later we want to transit DA to A, since the remote cluster is in S, we
should be able to do it. But there are some remote wals on the HDFS for the
cluster in S state, so we need to wait the remote wals was removed first before
transiting the cluster in DA state to A. Need add a check for this.
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