Failed to Start New TiKV Node

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

Original topic: 新增tikv节点无法启动

| username: TI表弟

[TiDB Usage Environment] Production Environment / Test / Poc
[TiDB Version] 6.1.2
[Reproduction Path] Operations performed that led to the issue
[Encountered Issue: Issue Phenomenon and Impact]
Check passed but unable to start
[Resource Configuration]
[Attachments: Screenshots / Logs / Monitoring]

Error message

Error: failed to start tiflash: failed to start: tiflash-9000.service, please check the instance's log(/data/tiflash-deploy/tiflash/log) for more detail.: timed out waiting for tiflash to be ready after 120s: Get "": dial tcp connect: connection refused
  • host:
    data_dir: /data/tiflash-data/tiflash
    deploy_dir: /data/tiflash-deploy/tiflash
  • host:
    data_dir: /data/tiflash-data/tiflash
    deploy_dir: /data/tiflash-deploy/tiflash

 <!-- [Attachments]:
- Relevant logs
- Configuration files
- Grafana monitoring (

We performed an upgrade from 5.4 to 6.1.2

[2022/11/29 10:48:06.871 +08:00] [ERROR] [] [“request failed”] [err_code=KV:PD:gRPC] [err=“Grpc(RpcFailure(RpcStatus { code: 2-UNKNOWN, message: "version should compatible with version 6.1.2, got 5.4.0", details: }))”]

If the question is about **performance optimization or troubleshooting**, please download the <a href="/uploads/short-url/uGisshjxFnxx1KgpFOYbfeZjsc6" download="">script</a> and run it. Please **select all** and copy-paste the terminal output results and upload them. -->
| username: 我是咖啡哥 | Original post link

Your TiFlash cannot start. Check the logs.

| username: 裤衩儿飞上天 | Original post link

Where are the logs?

| username: h5n1 | Original post link

First, check the network port firewall.

| username: TI表弟 | Original post link

Port 20292 is not being listened to.

| username: TI表弟 | Original post link

Brother Coffee, we have done an upgrade from 5.4 to 6.1.2.

| username: TI表弟 | Original post link

No problem

| username: tomsence | Original post link

Turn off the firewall.

| username: TI表弟 | Original post link

Already closed.

| username: system | Original post link

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