Concept Guide

Contents

1 Installing and configuring Storage Replication Adapter (SRA).................... 4

Downloading SRA..................................................................................................................................4

Installation procedure........................................................................................................................... 4

Password-protected storage arrays..................................................................................................... 5

NVSRAM settings................................................................................................................................... 6

SRA device management service..........................................................................................................9

Changing server settings in SraConfigurationData.xml.................................................................9

Changing virtual memory in NesSvc.ini........................................................................................10

2 Asynchronous Remote Replication................................................................. 11

iSCSI-Based Remote Replication........................................................................................................ 11

Support for four Remote Replication groups..................................................................................... 11

Effects of 10-minute synchronization interval................................................................................... 11

General volume recommendations....................................................................................................12

Command line options........................................................................................................................12

Advanced Settings in Site Recovery Manager and ESX/ESXi..............................................................12

ESX/ESXi host settings......................................................................................................................... 13

3 Snapshot Repository sizing...............................................................................14

Snapshot Group repository.................................................................................................................14

Snapshot Volume repository...............................................................................................................14

How SRA uses snapshots.................................................................................................................... 15

4 Getting help......................................................................................................... 17

Documentation matrix........................................................................................................................ 17

Dell documentation.......................................................................................................................17

VMware documentation................................................................................................................17

Contacting Dell....................................................................................................................................17

Locating your system Service Tag...................................................................................................... 18