Issues with Testing TiDB Single-Region Dual-Center Architecture

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

Original topic: tidb单区域两中心架构测试问题

| username: Mirror

[TiDB Usage Environment] Testing
[TiDB Version]
[Reproduction Path] What operations were performed to encounter the issue
[Encountered Issue: Problem Phenomenon and Impact]
I want to test the structure of a single region with two centers, simulate the complete failure of two nodes in the main center, then switch the connection to the backup node, and make the backup node become a voter node. However, I don’t know how to operate this process and what specific configurations to modify. Can any expert guide me? Thank you very much.
[Resource Configuration]
[Attachments: Screenshots/Logs/Monitoring]

| username: tidb菜鸟一只 | Original post link

| username: Mirror | Original post link

I have seen this, but the official documentation doesn’t mention how to handle the situation if the primary node goes down completely.

| username: system | Original post link

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