TiFlash Installation Error: Timed Out Waiting for Port 3930 to Be Started After 2m0s

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

Original topic: tiflash安装异常timed out waiting for port 3930 to bestarted after 2m0s

| username: Hacker_UBVfs1Zv

【TiDB Usage Environment】Production Environment / Testing / PoC
【TiDB Version】
【Reproduction Path】What operations were performed when the issue occurred
【Encountered Issue: Issue Phenomenon and Impact】
【Resource Configuration】Go to TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page
【Attachments: Screenshots / Logs / Monitoring】
tiup error log

tiflash configuration file

tiflash_error.log log

| username: TiDBer_LM | Original post link

Can it be pinged?

| username: tidb菜鸟一只 | Original post link

For these regions that are reporting errors, first check their status using pd-ctl region.

| username: 小龙虾爱大龙虾 | Original post link

Can your Tiflash communicate with each TiKV node? Test it.

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

Is there any interception by the firewall or similar?

| username: TIDB-Learner | Original post link

The reasons are probably network disconnection, port occupation, or insufficient file permissions.

| username: TiDBer_rvITcue9 | Original post link

Cannot connect, check the network.

| username: zhaokede | Original post link

It looks like the network is unreachable or the firewall is blocking it.