data head [计] 数据头 ; 资料头
three dimensional head data 三维人头数据
Head of Data 数据部主管
data recording head 数据记录头
This is the time it takes to correctly position the platter underneath the head so that the desired data can be accessed.
这是磁头下的磁盘旋转到能读取所需要数据的正确位置所需要的时间。
As NILFS is log structured, new data is written to the head of the log while old data still exists (until it's necessary to garbage-collect it).
由于NILFS是基于日志结构的,新数据被写到日志的头部,而旧数据仍然保留(直到需要对旧数据进行垃圾收集)。
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