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