Configuring Paths and Ports to Establish Connections among Secondary

 

Storage Systems

3-22

Creating Remote Command Devices to Establish Connections among

 

Secondary Storage Systems

3-22

Interoperability with Other Products and Functions

3-23

Virtual LVI

3-25

Cache Residency Manager

3-25

ShadowImage for z/OS®

3-25

Using At-Time Split Function When Combining URz with

 

ShadowImage for z/OS® (SIz)

3-32

TCz Synchronous (3DC Cascading Configuration)

3-34

Basic Behavior

3-35

Hardware Configuration

3-37

Setup Procedure

3-37

Transferring Business Tasks Back to the Primary Site

3-38

TCz Synchronous (3DC Multi-target Configuration)

3-39

Hardware Configuration

3-41

Setup Procedure

3-42

Requirements for Creating URz Pair for Delta Resync Operation

3-43

Requirements for Performing Delta Resync Operation

3-43

Changing to 3DC Multi-target Configuration after Recovering from

 

Primary Site Failures

3-45

Transferring Business Tasks from TCz Secondary Site to the Primary

 

Site (in 3DC Cascading Configuration)

3-46

Transferring Business Tasks from TCz Secondary Site to the Primary

 

Site (in 3DC Multi-target Configuration)

3-47

Transferring Business Tasks from TCz Secondary Site to the Primary

 

Site (When Delta Resync Operation is Performed in 3DC

 

multi-target configuration)

3-48

Recovering from Failures in the Primary Site and the TCz Synchronous

3-51

Secondary Site

Transferring Business Tasks from the URz Secondary Site to the

3-52

Primary Site

Planning of Journal Volumes

3-55

Computing Required Data Transfer Speeds for Journal Volumes

3-55

Planning RAID Group Configuration and Journal Group Configuration

3-56

Arranging Journal Volumes

3-57

Computing the Journal Volume Capacity

3-57

Planning Data Transfer Speed before Reversing Data Volumes

3-59

Contributing Factors for Data Transfer Speed between Storage Systems

3-59

Bandwidth for Data Transfer Paths

3-60

DKC Journal Transfer Speed

3-60

Configuration that TagmaStore USP/NSC and USP V is Connected

3-60

System Option Mode

3-61

Page 7
Image 7
Hitachi MP-96RD625-01 manual System Option Mode