This paper focuses on Copy Services technology from EMC, Hitachi, and IBM within the following storage subsystem models:
- EMC DMX-4
- Hitachi USP V
- IBM DS8300
- IBM SVC
The storage software products that will be used for the different Copy Services are as follows:
- EMC TimeFinder
- Hitachi ShadowImage
- IBM FlashCopy®
While there are numerous storage subsystem vendors in the marketplace and industry, this paper has been limited to the vendors and the technologies described above.