Issues with Data Recovery and Version Compatibility in BR

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This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: BR 恢复数据 版本兼容性问题

| username: jaybing926

[TiDB Usage Environment] Production Environment
[TiDB Version]
v4.0.9
[Encountered Problem: Problem Phenomenon and Impact]
Currently, our TiDB cluster version is 4.0.9, and we are using BR for full backups. Now we want to create a new version cluster (for example, the latest LTS 6.5 version). I would like to ask, can the data backed up by TiDB 4.0.9 and BR 4.0.9 be restored to a v6.5 version cluster?
I didn’t see any related instructions on the official website.

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As shown in the picture below, does it mean that the data backed up by BR 4.0 can be restored to a 5.0 version cluster using BR 5.0?

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| username: Lucien-卢西恩 | Original post link

Yes, you can do this, but note that whether New-collection is enabled will affect the restoration process. Backup & Restore 常见问题 | PingCAP 归档文档站

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| username: jaybing926 | Original post link

Okay, we are using version 4.0.9, and the default is false, so we can ignore this issue, right?

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| username: jaybing926 | Original post link

Also, if some versions are not mentioned in the compatibility-related documentation, can it be understood as incompatible?

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| username: Lucien-卢西恩 | Original post link

Yes, additionally, if it is false, it can be ignored.

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| username: system | Original post link

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