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3 Dell EMC SC Series: Disaster Recovery for Microsoft SQL Server Using VMware Site Recovery Manager | CML1018
Table of contents
Revisions............................................................................................................................................................................. 2
Acknowledgements ............................................................................................................................................................. 2
Table of contents ................................................................................................................................................................ 3
Executive summary ............................................................................................................................................................. 5
1 VMware Site Recovery Manager overview .................................................................................................................. 6
1.1 Architecture ......................................................................................................................................................... 6
1.1.1 Active/DR site design ......................................................................................................................................... 7
1.1.2 Active/active site design ..................................................................................................................................... 8
1.2 Recovery point objective .................................................................................................................................... 8
1.3 Recovery time objective ..................................................................................................................................... 9
2 Solution components .................................................................................................................................................. 10
2.1 SC Series .......................................................................................................................................................... 10
2.2 Snapshots ......................................................................................................................................................... 10
2.3 Snapshot profiles .............................................................................................................................................. 10
2.4 Active snapshot ................................................................................................................................................ 10
2.5 Consistency groups .......................................................................................................................................... 10
2.6 Replay Manager ............................................................................................................................................... 10
2.7 Array-based replication ..................................................................................................................................... 10
2.8 Dell Storage Manager ....................................................................................................................................... 11
2.9 Storage Replication Adapter ............................................................................................................................. 11
3 Storage infrastructure ................................................................................................................................................. 12
3.1 vSphere storage types ...................................................................................................................................... 12
3.2 Virtual machine disk types ................................................................................................................................ 12
4 Solution design ........................................................................................................................................................... 14
4.1 Choosing a snapshot strategy .......................................................................................................................... 14
4.1.1 Using Replay Manager with .VMDKs ............................................................................................................... 14
4.1.2 Using Replay Manager with vRDMs ................................................................................................................. 15
4.1.3 Using Replay Manager with pRDMs................................................................................................................. 15
4.1.4 Using snapshot profiles .................................................................................................................................... 15
4.2 Choosing a replication strategy ........................................................................................................................ 15
4.2.1 Asynchronous ................................................................................................................................................... 15
4.2.2 High consistency synchronous ......................................................................................................................... 16
4.2.3 High availability synchronous ........................................................................................................................... 16
4.2.4 Asynchronous active snapshot ......................................................................................................................... 16