It seems that one PD in the cluster is not starting

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

Original topic: 集群中一个PD好像是没启动

| username: kgdxpr

[Test Environment] TiDB
[TiDB Version] v6.5.0
[Reproduction Path] During the execution of an UPDATE, the test server lost power about halfway through. After restarting, I used “tiup cluster display tidb-test” to check the cluster status and found that one PD’s status was Down|UI.

What do the various status indicators mean, such as UI and L?

There is also a log below.

Can any expert help explain how to resolve this?

| username: 啦啦啦啦啦 | Original post link

L is leader. UI is dashboard. Scaling PD nodes directly should solve it faster.

| username: ffeenn | Original post link

Try starting the TiDB-test cluster with the command tiup cluster start tidb-test -N {node ID} to see if it can start individually.

| username: tony5413 | Original post link

Add a new one.

| username: buddyyuan | Original post link

Power outage caused file corruption. Just handle it by scaling in or out.

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

Power outages can easily damage files :upside_down_face:

| username: system | Original post link

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