After scaling in one KV, it shows Pending Offline

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

Original topic: scale-in 一台KV后 显示Pending Offline

| username: lemonade010

[TiDB Environment] Test/PoC
[TiDB Version] 7.5.0
[Reproduction Path] After scaling in one KV, it shows Pending Offline
[Encountered Problem: Phenomenon and Impact] After scaling in one KV, it shows Pending Offline
[Resource Configuration] Go to TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page
[Attachment: Screenshot/Logs/Monitoring]

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

With only three replicas, there are only three KVs, so scaling down will fail. The number of nodes cannot be less than the number of replicas.

| username: dba远航 | Original post link

Why do you want to scale down with only three replicas?

| username: wangccsy | Original post link

Enhanced learning again.

| username: 路在何chu | Original post link

Two TiKV nodes won’t work; I’ve experimented with it before.

| username: 烂番薯0 | Original post link

At least three replicas

| username: system | Original post link

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