对存储来说，您可以为每个用户或组设置每个挂载的文件系统的存储量或文件数的配额(限定)。

For storage, you can set quotas (limits) for the amount of storage or the number of files, per user and per group, for every mounted filesystem.

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在幕后，LVM系统以大小相等的“块”(称为“范围”)为单位分配存储量。

Behind the scenes, the LVM system allocates storage in equal-sized "chunks", called extents.

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如果系统上的实际存储量有限，您可能担负不起拥有许多服务区域。

If there is a limited amount of real storage on the system, then you can't afford to have many servant regions.

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