Implement a disaster recovery solution for your on-prem SQL with Azure? Easy!
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The document outlines strategies for implementing a disaster recovery solution for on-premises SQL Server using Azure technologies. It discusses various backup methods, recovery models, and the benefits of utilizing Azure as a disaster recovery site, including costs and complexity considerations. Additionally, it includes references to relevant resources and documentation for further exploration of the topic.
Implement a disaster recovery solution for your on-prem SQL with Azure? Easy!
- 1. Implement a disaster recovery solution for your on-prem SQL with Azure? Easy! Marco Obinu
- 2. Sponsors Gold Sponsors: Global SQLSaturday Partner PASS Silver Sponsors: Global SQLSaturday Supporters:
- 3. About me Marco Obinu Advisory Engineer SoftJam S.p.A. • Geek to the bone • Microsoft Azure MVP ABOUTME.OMEGAMADLAB.COM
- 4. Agenda • Back to the basics • Native BCDR technologies in a hybrid scenario
- 5. Back to the basics
- 6. Let’s start with some terms… Allowable data loss Time required to recover Disaster R P O R T O RTO - RPO COSTS - COMPLEXITY
- 7. Why using Azure as a DR site?
- 8. Why using Azure as a DR site? Costs Complexity Effort Benefits
- 9. Why using Azure as a DR site? Costs Complexity Effort Benefits
- 10. Why using Azure as a DR site?
- 11. Why using Azure as a DR site? New tech
- 12. Why using Azure as a DR site?
- 13. Why using Azure as a DR site? Costs Complexity Effort New tech Benefits
- 14. What about licensing costs? SQL 2017 (SA) SQL 2019 (SA)
- 15. Infrastructure-as-a-Service model MANAGEDBYVENDOR MANAGEDBYVENDOR MANAGEDBY VENDOR APPLICATION HYPERVISOR OS RUNTIME DATA STORAGE NETWORK TRADITIONAL IT APPLICATION HYPERVISOR OS RUNTIME DATA STORAGE NETWORK IaaS YOUMANAGE SERVERS SERVERS APPLICATION HYPERVISOR OS RUNTIME DATA STORAGE NETWORK PaaS YOUMANAGE SERVERS APPLICATION HYPERVISOR OS RUNTIME DATA STORAGE NETWORK SaaS SERVERS YOUMANAGE Azure SQL VMs
- 16. Native BCDR technologies in a hybrid scenario
- 17. Native BCDR technologies in a hybrid scenario
- 18. Backup to URL
- 19. Backup to URL ON-PREMISES AZURE Storage Account Supported Version/Edition Recovery Model Complexity RPO RTO Data access on DR site SQL 2012 SP1 CU2+ any edition Any Low to implement, High to recover Depends on workload and network 😥 Backup files Azure SQL VM Disaster
- 20. Log Shipping
- 21. Log Shipping ON-PREMISES AZURE Supported Version/Edition Recovery Model Complexity RPO RTO Data access on DR site Any version/ed. with the SQL Agent Full High Depends on workload, scheduled tasks and network Azure SQL VM DC DC VPN Backup/copy T-LOG Restore T-LOG
- 22. Log Shipping ON-PREMISES AZURE Supported Version/Edition Recovery Model Complexity RPO RTO Data access on DR site Any version/ed. with the SQL Agent Full High Depends on workload, scheduled tasks and network 😐 Stand-by mode 😐 Azure SQL VM DC DC VPN Backup/copy T-LOG Restore T-LOG Disaster
- 23. Log Shipping – custom ON-PREMISES AZURE Azure SQL VM Backup to URL Restore from URL Storage Account
- 25. Database Mirroring ON-PREMISES AZURE Supported Version/Edition Recovery Model Complexity RPO RTO Data access on DR site SQL 2005+ Enterprise Edition Full Moderate 🙂 🙂 Database snapshots Azure SQL VM DC DC VPN Principal Mirror Disaster
- 27. Availability Groups ON-PREMISES AZURE Supported Version/Edition Recovery Model Complexity RPO RTO Data access on DR site SQL 2012+ Enterprise Edition Full Moderate 😍 Azure SQL VM DC DC VPN Primary Secondary 😍 Readable secondary SYNC Listener
- 28. Always On AG anatomy network subnet AG Listener VNN IP On-prem network VNN IP
- 29. Cluster quorum Vote = 1 Node 1 Cluster UP Vote = 1 Node 2 Cluster UP Vote = 1 Node 3 Cluster UP Vote = 1 Node 1 Cluster DOWN
- 30. Azure networkOn-prem network Always On AG anatomy VNN IP2IP1 AG Listener VNN IP2IP1
- 31. Azure networking for clusters Cluster Node IP Cluster IP resource IP Cluster Node IP Cluster IP resource IP On-premises Azure
- 32. Azure networking for clusters Cluster Node IP Cluster IP resource IP Cluster Node IP Cluster IP resource IP On-premises Azure Azure Load Balancer
- 33. Azure vnet Always On AG – failover mechanism On-prem network Users Reports Read-onlyRead-only
- 34. Always On Distributed AG (SQL2016+) Azure vnetOn-prem network WSFC1 WSFC2 Distributed Availability Group VNN IP VNN IP AG Listener VNN IP AG Listener VNN IP
- 35. Azure vnetOn-prem network AG Listener VNN IP2IP1 VNN IP2IP1 Always On BAG • SQL Server 2016 Standard or newer • One database for AG • A single non-readable replica • Sync or Async replication • Suitable when you have a few databases to protect
- 36. Always On BAG • SQL Server 2016 Standard or newer • One database for AG • A single non-readable replica • Sync or Async replication • Suitable when you have a few databases to protect Azure vnetOn-prem network AG Listener VNN IP2IP1 VNN IP2IP1 AG Listener 2 VNN 2 IP4IP3
- 37. Mixing AGs with Failover Cluster Instances network subnet Azure subnetOn-prem network VNN IP2IP1 AG Listener VNN IP2IP1 SQL FCI https://youtu.be/BFthrDFEDL4
- 39. Azure Site Recovery ON-PREMISES Primary Secondary SYNC AZURE Azure SQL VM ASYNC ASR Replication Azure Site Recovery Web server
- 40. Azure Site Recovery ON-PREMISES AZURE ASR Replication ASR Replication Azure Site Recovery Web server
- 41. Azure Site Recovery ON-PREMISES Mirror SYNC AZURE ASR Replication ASR Replication SQL FCI Azure Site Recovery Web server
- 42. Resources Demo FCI + BAG with SQL Standard Edition https://github.com/OmegaMadLab/FCI_and_AG https://youtu.be/BFthrDFEDL4 Official docs https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sql/virtual-machines-windows- sql-high-availability-dr?WT.mc_id=DP-MVP-5003770 SQL backup to Azure Blob Storage cheat sheet: https://techcommunity.microsoft.com/t5/DataCAT/SQL-Server-Backup-to-URL-a-cheat-sheet/ba- p/346358 Official docs FCI + AG: https://docs.microsoft.com/it-it/sql/database-engine/availability-groups/windows/failover-clustering- and-always-on-availability-groups-sql-server?WT.mc_id=DP-MVP-5003770 DBATools https://dbatools.io SQL Server 2019 licensing sheet https://download.microsoft.com/download/6/6/0/66078040-86d8-4f6e-b0c5- e9919bbcb537/SQL%20Server%202019%20Licensing%20guide.pdf