Dell PowerVault MD3600f/MD3620f Remote Replication Functional Guide
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Table of Contents
Abstract ........................................................................................................................................................................... iii
Dell MD36X0f Remote Replication (RR) Overview ................................................................................................... 2
Key Benefits of PowerVault MD Remote Replication (RR) ............................................................................. 2
Remote Replication Functional Overview ......................................................................................................... 2
Remote Replication Concepts ..................................................................................................................................... 3
Primary and Secondary Virtual Disks .................................................................................................................. 3
Primary (Local) Virtual Disk ................................................................................................................................... 3
Secondary (Remote) Virtual Disk ......................................................................................................................... 3
Fail Over/Role Reversal .......................................................................................................................................... 3
Replication Repository .......................................................................................................................................... 4
Replication Relationships ..................................................................................................................................... 4
Data Replication Modes ....................................................................................................................................... 5
Synchronous Replication ...................................................................................................................................... 5
Asynchronous Replication .................................................................................................................................... 7
Asynchronous Replication with Write Order Consistency .............................................................................. 8
Switching Replication Modes ............................................................................................................................... 9
RR Suspend and Resume with Delta Log Resynchronization ..................................................................... 10
Database Consistency and Database Hot Backups ........................................................................................ 11
Summary ........................................................................................................................................................................ 12