Hitachi ShadowImage for Mainframe User Guide: HP XP24000 Disk Array, HP XP20000 Disk Array (T5213-96032, May 2011)

2 About ShadowImage for Mainframe Operations
This chapter describes ShadowImage for Mainframe operations.
• “ShadowImage for Mainframe Components” (page 8)
• “ShadowImage for Mainframe Operations” (page 10)
• “Pair Status” (page 20)
• “ShadowImage for Mainframe Options” (page 25)
ShadowImage for Mainframe Components
The system for using ShadowImage for Mainframe usually contains the following components.
• Pair of volumes (S-VOL and T-VOL)
• Licensed ShadowImage for Mainframe program product
Figure 1 (page 8) shows a typical ShadowImage for Mainframe configuration using Remote Web
Console.
Figure 1 ShadowImage for Mainframe Components
You operate ShadowImage for Mainframe from the Remote Web Console computer, and copy
volumes in the storage system. A volume that has original data is called an S-VOL (source volume),
and a volume to which the data is copied is called a T-VOL (target volume). A pair of the S-VOL
and the T-VOL made by ShadowImage for Mainframe is called an SIz pair.
8 About ShadowImage for Mainframe Operations