Hello Azure Site Recovery experts,
May I please receive clarification on these 2 below points?
In the 4th FAQ at the bottom of the ASR pricing page: https://azure.microsoft.com/en-us/pricing/details/site-recovery/
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FAQ 4 Question
What charges do I incur while using Azure Site Recovery?
When you use Site Recovery, you incur charges for the Site Recovery license, Azure storage, storage transactions and outbound data transfer.
FAQ 4 Answer 2:
Storage cost is incurred for the Site Recovery replica of storage in the target location. A snapshot taken on this replica storage is used to create a new target storage disk upon test failover or failover. Overall storage cost is, therefore, based on replica of storage and the number of disaster recovery drills conducted in a year.
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Question1:
I found this “Tutorial:Run a disaster recovery drill for Azure VMs” https://learn.microsoft.com/en-us/azure/site-recovery/azure-to-azure-tutorial-dr-drill and since a snapshot is taken when a test failover or failover is done to create a new target storage disk, this part makes sense to me. BUT why is this "in a year". Are these snapshots only retained for 365 days?
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FAQ 4 Answer 5:
Recovery points created by Site Recovery are snapshots taken for the replica storage. These snapshots are charged based on the consumed capacity. For more information, see Managed Disks pricing.
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Question2:
*This relates to above "FAQ 4 Answer 2"
“A snapshot taken on this replica storage is used to create a new target storage disk upon test failover or failover.”
So there exists the "replica storage" (A) which is already generating storage costs. Then upon failover, a snapshot "of" the replica storage is used to create
"A new target storage disk" (B) Thus, after failover / test failover, there are now 2 storage elements generating cost, yes?
Thank you for your time and expertise,
Peter