刘珍 created IOTDB-5317:
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Summary: [migrate region] 3rep1C4D ,1rep of the migrated region is
Running, 1rep is Unkown, and 1rep is ReadOnly， the migration fails
Key: IOTDB-5317
URL: https://issues.apache.org/jira/browse/IOTDB-5317
Project: Apache IoTDB
Issue Type: Bug
Components: mpp-cluster
Affects Versions: master branch
Reporter: 刘珍
Assignee: Gaofei Cao
Attachments: image-2022-12-29-17-16-00-294.png,
image-2022-12-29-17-17-26-853.png
m_1229_15c9231
3副本1C4D，迁移region的Id=1 ，这个region的信息是1个副本是Running，1个是Unkown，1个是ReadOnly，迁移失败。
1.迁移开始前，查看region信息
!image-2022-12-29-17-16-00-294.png!
2.迁移命令
./sbin/start-cli.sh -h 172.20.70.4 -e "migrate region 1 from 1 to 3"
命令返回成功
3.实际迁移失败，ConfigNode日志报错
!image-2022-12-29-17-17-26-853.png!
测试环境：私有云3期
COMMON配置
schema_replication_factor=3
data_replication_factor=3
DataNode配置
MAX_HEAP_SIZE="20G"
MAX_DIRECT_MEMORY_SIZE="6G"
dn_max_connection_for_internal_service=300
ConfigNode配置
MAX_HEAP_SIZE="20G"
MAX_DIRECT_MEMORY_SIZE="6G"
运行BM写入数据，全部写入成功。
再执行stop datanode和set system to readonly on local的操作。
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