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2.2 Azure Site Recovery - Coggle Diagram
2.2 Azure Site Recovery
Azure Site Recovery
- replicates workloads between a primary and secondary site
- migrate VMs from on-premises infrastructure to Azure
from on-premises to Azure, or
from one Azure region to another.
- Central management
- On-premises virtual machine replication
- Azure virtual machine replication
- App consistency during failover
- Flexible failover
- Network integration
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Set up
- Networking: A valid Azure virtual network
- Recovery Services vault: A vault in your Azure subscription stores the migrated VMs when a failover is run. The vault also contains the replication policy and the source and target locations for replication and failover.
- Credentials: Virtual Machine Contributor and Site Recovery Contributor
- Configuration server: An on-premises VMware server (OVA)
- Process server: It caches, compresses, and encrypts the traffic before sending it over the WAN to Azure. Also installs the mobility service onto all the physical and virtual machines targeted for failover and replication.
- Master target server: This machine handles the replication process during a failback from Azure.
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supported workloads
any app that runs on a supported machine:
- azure vm
- hyper-v vm
- vmware vm
- physical vm
application-aware replication for many types of workloads or applications
features:
- near synchronous replication
- app consistent snapshots
- integration with sql always on
- flexible recovery plan
- Active Directory and DNS:
they're completed first in the scope of the overall recovery plan.
- sql server
- sharepoint
- Dynamics
- Remote desktop services
- Exchange
- IIS: one-click failover for multiple web applications on the web servers
- Citrix XenApp and XenDesktop
Disaster recovery drill
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- Site Recovery section of the Azure portal, select
Recovery Plans > your recovery plan name > Test Failover.
- Select the recovery point from the options presented. Options include Latest processed, which is the latest recovery point that was processed by Site Recovery.
- Select the Azure virtual network. Use an isolated network
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Failover and failback
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- Fail over to Azure
- Reprotect Azure virtual machines:
back to the on-premises environment
- Fail back to on-premises:
You can't fail back to physical servers
- Reprotect on-premises virtual machines
Failback policies
- Can only replicate back to your on-premises configuration server.
- The recovery point objective is set at 15 minutes.
- The recovery point retention is set to 24 hours.
- App-consistent snapshots are set to every hour.
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Recovery plans
- customization and sequencing of failover and failback
- scripts
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