... magnetic disc storage unit 磁盘存储装置 disc data unit 磁盘数据单元 DEU Disc Electronics Unit 磁盘电子装置 ...
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在执行字典翻译时有一些CPU开销，但是在磁盘IO效率上也有一个提高，在每个IO单元更多数据可被检索。
There is some CPU overhead in performing the dictionary translation, however there is also an improvement in disk IO efficiency as more data can be retrieved per IO unit.
如果您的数据仅位于几个轴，那么使用多个逻辑单元号(LUN)或者物理磁盘又有什么实际意义呢？
If your data resides on only a few spindles, what is the point exactly of having multiple logical unit Numbers (LUNs) or physical disks?
如果数据仅位于几个轴，那么使用多个逻辑单元号(LUN)或者物理磁盘又有什么实际意义呢？
If your data resides on only a few spindles, what is the purpose of having multiple logical unit Numbers (LUNs) or physical disks?
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