The mark phase is responsible for tracing through all objects visible to the application and marking them as live to prevent them from having their storage reclaimed.
标记阶段负责跟踪应用程序可见的所有对象并将它们标记为活的,以免回收它们的存储。
The same applies to live debug, or getting an accurate characterization of storage utilization.
对于现场调试,或者得到存储使用情况的一个精确印象,上述的描述也适用。
Migration - Data can be easily migrated between storage locations without interrupting live access to the virtual partition with most technologies.
迁移——数据可于存储位置间轻易的迁移,并且不会影响以多种方式对虚拟分区的实时访问。
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