Azure Site Recovery Flashcards
What is Azure site recovery used for?
It is ensures that in the event of a failed VM, the stand by VM can be used.
What is the source storage account used for?
The storage account is used to cache all changes from the source VM, before they are dent to dest VM.
Is ASR using sync replication?
No, it replicates every 30sec, 5min and 15 min.
What is a replication policy?
A replication policy defines the settings for the retention history of recovery points. The policy also defines the frequency of app-consistent snapshots. By default, Azure Site Recovery creates a new replication policy with default settings of:
24 hours for the retention history of recovery points.
4 hours for the frequency of app-consistent snapshots.
What platforms are supported by ASR?
- Azure
- HyperV
- VMWare
How far back can you go wit recovery points?
72 hrs
If i have a VM in Azure region eastus where should i create the recovery service vault?
not in the same region but in a dest region that is different.
When you install the extension agent on the VM, do you have to keep it up to date?
It is optional, you can opt to have Azure take care of this agent.
How is ASR replicating data?
- Data is pushed to a cache (blob storage), local to region.
- Data is then pushed from cache to a managed disk in the secondary region by ASR in the secondary region.
Can you change the size of the VM created in the secondary region?
Yes
How can i ensure the VM that is replicated is going to work when needed?
You can preform a test failover to secondary region
When preforming a failover, what do you have to select?
A recovery point.
Will the failed over VM have the same public IP?
No
Will the failed over VM have a public IP?
No you have to assign
How do you fall back form a failover?
You can start a clean up and this will just delete the VM created in secondary region.
