The easiest approach would be simply to replace all regular disk drives with SSDs and move over all objects and data.

最简单的方法是用SSD替换所有常规硬盘驱动器并移动所有对象和数据。

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Replace two 80gb disks with one 160gb disk without the need to bring the system offline or manually move data between disks.

用一个160gb磁盘替换两个80gb磁盘，而不需要让系统离线，也不需要在磁盘之间手工转移数据。

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WebSphere eXtreme Scale provides an easy-to-use plug-in to replace the dynamic (side) cache's in-process-memory and disk system with a distributed dynamic in-memory grid.

WebSphere eXtreme Scale提供易于访问的插件，使用分布式动态内存网格替换动态(side)缓存的in - process - memory和磁盘系统。

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Computer DVD devices "may never completely replace the disk drive and floppy disks because access time will always be slower on DVD, " he says.

CNN: ASIANOW - Asiaweek

Now in the instance that you get a bad disk or no disk, you can take it back and they will replace it with the same item.

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