传统内核不好实现这样的分布式构造，因为系统要保证不同处理器上的不同程序不会写入同一块内存。
In a traditional kernel this is difficult to implement; the system has to be sure that different programs don't try to write to the same memory from different processors.
我们只好学会利用手工办法恢复信息块中的数据，从而使分布式通用地面系统不会崩溃。
We learned to manually do [data retrieval] in chunks of information so DCGS would not crash.
对分布式文件系统的块进行抽象可以带来几个好处。
Having a block abstraction for a distributed filesystem brings several benefits.
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