Hitachi ShadowImage for IBM z/OS User"s Guide (T5213-96002, June 2007)

3-4 Preparing for ShadowImage™ for z/OS
®
Operations
Hitachi ShadowImage™ for IBM
®
z/OS
®
User’s Guide
The figure below is the example of the case that there are one reserved
volume and one un-reserved volume.
Reserved Not reserved
Figure 3-1 Total Capacity of SIz Volumes (Example 1)
In the case of Figure 3-1, the total capacity of SIz volume in use will be 1.
The figure below is the example of the case of two SIz pairs.
S-VOL
T-VOL
(Reserved)
Legend
: SIz pair
T-VOL
(Reserved)
Figure 3-2 Total Capacity of SIz Volumes (Example 2)
In the case of Figure 3-2, the total capacity of SIz volumes in use will be 3.
Requirements for Other Software
You may use the following program products for SIz operations.
– Business Continuity Manager
– IBM PPRC host software: TSO PPRC and ICKDSF PPRCOPY commands
For information about the requirements of using these program products on
ShadowImage for z/OS, please refer to the documents of their own.