底层文件 meaning in English

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As a result , the capabilities of the underlying file system that hosts the recovery logs becomes important , as discussed in
放置恢复日志的底层文件系统的性能是很重要的，如
First , when xfs receives new data to be written , it records the pending transaction in ram and simply
首先，当xfs接收到要写入的新数据时，它在ram中记录暂挂事务，并只在底层文件系统上
To this day , it continues to be used as the underlying filesystem for all of sgi s irix - based products , from workstations to supercomputers
它至今仍作为sgi基于irix的产品（从工作站到超级计算机）的底层文件系统来使用。
Since no blocks are ever allocated , there s no need to deallocate any blocks , and the underlying filesystem metadata doesn t even get touched
因为从未给这些文件分配任何块，所以，也就不必释放任何块，甚至根本没有触及底层文件系统元数据。
Manually initiated peer recovery does not require the use of exclusive file locks and can be configured and deployed without the need to worry about the locking semantics of the underlying file system
手动开始对等恢复无需使用排它文件锁定，且在配置和部署时无需担心底层文件系统的锁定语义。除在

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