HP StorageWorks XP Remote Web Console Software - Manual (Page 51)

Chapter 2 About Universal Replicator Operations 2-29
Hitachi Universal Replicator for IBM /OS User’s Guide
primary host
TCz Synchronous, URz primary site
master JNL VOL
journal obtain
secondary host
URz secondary site
secondary subsystem
secondary
dataVOL
restore JNL VOL
journal restore
R-VOL
primary data VOL
master JNL VOL
journal obtain
primary subsystem
M-VOL
primary data VOL
TCz Synchronous
secondary site
journal
copy
Copying by TCz
Synchronous
Write
URz pair for delta resync operation
Data flow
Journal data flow
secondary
host
secondary subsystem
Figure 2-7 Delta Resync Setting in 3DC Multi-target Configuration
(Before Failure Occurs)
As shown in