It also works with RAID devices and can tell us how much free space we have left on our partitions.
它还可以与RAID设备工作，告诉我们分区上还有多少可用空间。
RAID-Z traverses the available metadata to read only the data that's relevant for the geometry and avoids reading the unused space on the disk.
RAID - Z遍历可用的元数据以便只读取有关几何学的数据并避免读取磁盘上未使用的空间。
The space will also be affected by the type of RAID-Z configuration required (more on this in the RAID-Z Options section).
空间还会受到所需RAID - Z配置类型的影响(在RAID - z选项一节中，有更多关于这方面的介绍)。
Most existing RAID reconstruction algorithms must take a great deal of time to reconstruct the block-level unused storage space, thus affecting the availability of storage systems.
由于大部分磁盘阵列重建算法需要花费大量时间重建块级未被使用的存储空间，影响了存储系统的可用性。
Most existing RAID reconstruction algorithms must take a great deal of time to reconstruct the block-level unused storage space, thus affecting the availability of storage systems.
由于大部分磁盘阵列重建算法需要花费大量时间重建块级未被使用的存储空间，影响了存储系统的可用性。
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