What happens to the data of Azure NetApp volume in case of Availability zone failure

Tejas Nagchandi 21 Reputation points
2022-09-16T09:44:36.173+00:00

Hi,

If I create a Azure NetApp file volume in an "Availability zone" what happens if that particular AZ goes down?
I am most interested in the amount of data loss in such scenario.

So, if an AZ goes down?

  • What would be the RTO?
  • What would be the RPO?

Or if an AZ goes down and my solution does not have any other replication, will I loose some data? for example data which is committed in last 15 mins or something?

Azure NetApp Files
Azure NetApp Files
An Azure service that provides enterprise-grade file shares powered by NetApp.
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  1. Sumarigo-MSFT 46,286 Reputation points Microsoft Employee
    2022-09-19T11:43:35.49+00:00

    @Tejas Nagchandi Thanks for raising this question! Firstly, apologies for the delay in responding here

    Does Azure NetApp Files volume supports Availability Zone? Yes, currently its in private preview. It will be released very soon. Presently, I don't have any ETA for this feature.

    For more details/documents on the azure NETAPP files availability zone failure will be available, once the feature is released(GA)

    Recovery Point Objective (RPO) indicates the point in time to which data can be recovered. The RPO target is typically less than twice the replication schedule, but it can vary. In some cases, it can go beyond the target RPO based on factors such as the total dataset size, the change rate, the percentage of data overwrites, and the replication bandwidth available for transfer.

    • For the replication schedule of 10 minutes, the typical RPO is less than 20 minutes.
    • For the hourly replication schedule, the typical RPO is less than two hours.
    • For the daily replication schedule, the typical RPO is less than two days.

    Recovery Time Objective (RTO), or the maximum tolerable business application downtime, is determined by factors in bringing up the application and providing access to the data at the second site. The storage portion of the RTO for breaking the peering relationship to activate the destination volume and provide read and write data access in the second site is expected to be complete within a minute. Learn more here

    If you have any additional questions or need further clarification, please let me know.

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