The difference between disk usage shown on the dashboard and df -h is significant

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

Original topic: dashboard 磁盘使用率与 df -h 显示的差别很大

| username: 数据库菜鸡

[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]

Dashboard shows 7% usage, df shows 3% usage, is it because there is a reservation?

| username: tidb菜鸟一只 | Original post link

No, mine shows correctly.

| username: TiDB_C罗 | Original post link

Show me a screenshot.

| username: zhanggame1 | Original post link

It should be correct, screenshot