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Set storage group and auto create timeseries failure causes unaccessible device(创建存储组与自动创建序列失败导致的无效device的创建) #3741

Answered by MarcosZyk
MarcosZyk asked this question in Q&A
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1. auto create timeseries failure
The storageGroupAlreadyExsitException is caused by default_storage_group_level.
When auto creating timeseries root.cj4.jr02.ing.s1, IoTDB try to set a storage group for this timeseries and the target is root.cj4 because the default_storage_group_level is 1.
However, since root.cj4.jr01 has already been set to storage group, root.cj4 can't be set to storage group. IoTDB assumes that any device or timeseries works under some storage group, thus a node with children can't be set to storage group.

2. try set storage group manually failure
After auto creating timeseries root.cj4.jr02.ing.s1 failure, trying to set storage group to root.cj4.jr02 also fails.
That…

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MarcosZyk
Aug 14, 2021
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Answer selected by HTHou
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