它报告文件系统的所有层的使用率，包括逻辑卷管理器(LVM)、虚拟内存和物理磁盘层。

It reports on all layers of file system utilization, including the Logical Volume Manager (LVM), virtual memory, and physical disk layers.

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这可以防止 SAN 配置中的虚假磁盘错误被误报给文件系统管理器。

This prevents false disk errors in the SAN configuration from being reported to the file system manager.

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当您进行备份后，将其副本放到一个高度可用的文件系统中；否则，部署管理器服务器出现磁盘故障会使这些备份变得不可用。

When you have the backup, place a copy of it in a highly available file system; otherwise, a disk outage on your deployment manager server could make the backups unavailable to you.

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