Cluster Restart Failure

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

Original topic: 集群重启失败

| username: TiDBer_eyHUd5pk

[TiDB Usage Environment] Production Environment
[TiDB Version] v7.0.0
[Encountered Problem: Phenomenon and Impact]
The entire TiDB cluster nodes went down. When using tiup cluster restart, TiKV failed to restart, and there were no errors in the log files.
[Attachments: Screenshots/Logs/Monitoring]

| username: tidb菜鸟一只 | Original post link

Check the TiKV logs on the machine with IP 10.102.2.191.

| username: 大飞哥online | Original post link

Take a look at the TiKV logs on 191 and check the network between the control machine and 191.

| username: Fly-bird | Original post link

Manually restart node 191.

| username: TiDBer_eyHUd5pk | Original post link

It says PD failed, but PD was successfully restarted.

| username: 像风一样的男子 | Original post link

Is there only one PD node? Use tiup display to check the status of each node.

| username: TiDBer_eyHUd5pk | Original post link

It was indeed a network issue with 191, and it has been resolved.

| username: system | Original post link

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