问题描述云服务器 ECS Linux 系统，通过 df 查看空间使用时，发现 used 加 avail 空间不等于磁盘大小。问题原因 Linux 系统中，ext 文件系统（包括 ext2、ext3、ext4）都会默认预留 5% 的磁盘空间，用于 root 用户维护系统或记录系统关键日志使用。因此...

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更新时间 2024-02-21 09:38:00

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