V5.4.1 PD Startup Failure

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

Original topic: v5.4.1 pd启动失败

| username: 你说嗨我说拜

【TiDB Environment】Testing
【TiDB Version】v5.4.1
【Reproduction Path】Operations performed that led to the issue
【Encountered Issue: Phenomenon and Impact】
PD failed to start

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【Resource Configuration】Enter TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page

【Attachments: Screenshots/Logs/Monitoring】

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| username: dba远航 | Original post link

Check the hard drive, it seems like there is a storage anomaly.

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

Check if the disk is full; it seems like it can’t write anymore.

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

There is an issue with disk read/write.

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| username: wangccsy | Original post link

I/O exception.

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| username: tidb菜鸟一只 | Original post link

Try touching a file in the /zyxy/tidb-data/pd-2379 directory. Also, why do you have two PDs…?

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| username: 胡杨树旁 | Original post link

If there are 2 PDs, it might not be able to elect a leader. According to the official documentation, the deployment should be an odd number.

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| username: 小于同学 | Original post link

I/O exception