Azure-docs: There is no example on using Azure Site Recovery with AKS Managed Disks

[blueelvis]

Hi,

For the following section -

If you use Azure Managed Disks, you can choose replication and DR solutions such as these:

Velero on Azure
Azure Site Recovery

I couldn't find any sample or documentation which uses Azure Site Recovery to backup the managed disks which are utilized in AKS. The blog post which is linked also talks about Virtual Machines specifically and not about AKS or managed disks as a single resource but rather VMs with Managed Disks only.

Could you please clarify?

Thanks!

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Document Details

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• ID: a6557663-a845-e50b-9db8-529b57f3ee1d
• Version Independent ID: a8accf2c-91d9-dab0-1c04-e8b798b28770
• Content: High availability and disaster recovery in Azure Kubernetes Service (AKS)
• Content Source: articles/aks/operator-best-practices-multi-region.md
• Service: container-service
• GitHub Login: @lastcoolnameleft
• Microsoft Alias: thfalgou

[jakaruna-MSFT]

@blueelvis
Thanks for the feedback! We are currently investigating and will update you shortly.

[jakaruna-MSFT]

@lastcoolnameleft please add your comments

[lastcoolnameleft]

I don't have a walkthrough at this time; however, you can follow the replication steps here: https://docs.microsoft.com/en-us/azure/site-recovery/azure-to-azure-enable-replication-added-disk

[blueelvis]

@lastcoolnameleft - Again, that is for a VM for which an additional disk is being attached. I don't see any way to just replicate a single disk. Consider the scenario like this - https://docs.microsoft.com/en-us/azure/aks/azure-disk-volume#mount-disk-as-volume

I would like to backup & replicate this disk which is attached to a pod. Since this is not a node (You don't know which node it is attached to and the pods can move around), you cannot use ASR to backup and replicate. Thoughts?

Thanks!

[jakaruna-MSFT]

@lastcoolnameleft please add your comments and add a new doc request if needed

[lastcoolnameleft]

@blueelvis I will investigate for a more detailed solution with Azure Site Recovery and post back here.

That said, I have detailed a walkthrough utilizing Ark (now known as Velero)
https://github.com/lastcoolnameleft/kubernetes-workshop/blob/master/examples/aks-ark-demo.md

It might be a bit dated since the rebranding; however, they have pretty strong documentation here: https://github.com/vmware-tanzu/velero-plugin-for-microsoft-azure

[blueelvis]

@lastcoolnameleft - Yep, already aware of Velero and the documentation you have written. The thing with Velero is that it is not as integrated with monitoring and alerting like Recovery Service Vault so if possible, please let me know if this is possible with ASR/RSV or not. If not, then the document needs to be edited :)

-Pranav

[HizzyCO]

I am running into the same need. I am working on DR for my AKS cluster and I have managed disks mounted as a volumn. It would be really nice if I could implement azure site recovery with these disks

[zr-msft]

Thank you @blueelvis for the feedback.

We have updated the article to address your feedback and the changes will be available soon.

[HizzyCO]

@zr-msft I saw that you changed the link from ASR to Azure Back up. I try to use back up to back up my disks in my AKS cluster and the tool does not recognize them. Is this even supported or is my only option velero?