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文章 | linux（二十八）磁盘管理类命令df、du和free查看磁盘和目录空间占用
问答 | 云服务器 ECS Linux 系统 df 指令查看 used 加 avail 空间小于 size，是出现了什么问题？
问答 | 云服务器 ECS Linux 系统盘数据转移方法，购买云服务器 ECS Linux 服务器时，未购买数据盘，使用一段时间后，随着业务增加，现有系统盘已无法满足业务需求。执行 df -h 查询空间使用率接近 100%，需要将数据转移至新购买的数据盘。
问答 | 云服务器 ECS Linux 主机删除文件后磁盘空间显示不变，可以使用命令行查看，出现如下情况： df -h 占用空间90%，占用 17G 空间。 du -sh ./* 查看根目录下的空间占用，加起来不到10G，差别比较大。
问答 | 云服务器 ECS Linux 系统 df 指令如何查看 used 加 avail 空间小于 size

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更新时间 2026-02-04 11:02:12

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