Suggestions for Cost Effective Backup Solution for Long Retention

Champ 1

Hi,

I would like to seek your suggestions for effective and cost efficient way to set-up a Backup that will handle the following requirements below:

Backup Retention Period 10 Years at least
Cold Backup
7 days Snapshot retention

We are fully on Azure, and currently we have IaaS set-up. I want to only backup the Data in 1 of the VM disk. I have checked Azure Managed Disk backup but this seems does not have a very long retentions as I have only maximum of 235 days.

Appreciate if you can suggest possible options and how much will it cost to backup 1Tb of data. Thanks!

SadiqhAhmed-MSFT 46,036 Reputation points Microsoft Employee

2023-12-29T14:12:58.5666667+00:00

@Champ Just wanted to check if the responses provided by @Sreeju Nair were helpful? If yes, do "Accept Answer" and up-vote it
SadiqhAhmed-MSFT 46,036 Reputation points Microsoft Employee

2024-01-02T07:14:45.3566667+00:00

@Champ We haven't heard back from you. Please reply if you have any questions in this matter and we will gladly continue the discussion.

1 answer

Sreeju Nair 12,361 Reputation points

2023-12-26T10:38:21.6866667+00:00

I recommend you to use Azure VM backup

Refer: https://learn.microsoft.com/en-us/azure/backup/backup-azure-vms-introduction

To understand the backup process, you can refer to : https://learn.microsoft.com/en-us/azure/backup/backup-azure-vms-introduction

When you define backup policy, you can configure instant recovery snapshot and long term retention using "Retention of Daily backup point".

Refer: https://learn.microsoft.com/en-us/azure/backup/backup-during-vm-creation#create-a-vm-with-backup-configured
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Champ 1 Reputation point

2023-12-27T02:06:56.1633333+00:00

Hi @Sreeju Nair
Thanks, this is actually what we are using right now, but since this were backing up the whole VM instead of only the data, I assume this will be more "costly" in the end? As we are also including the whole VM instead of data only? I am concern more for the cost as we will be keeping the data for at least 10 years.

Sreeju Nair 12,361 Reputation points

2023-12-27T06:32:36.56+00:00

Hi,

Azure VMs - Back up entire Windows/Linux VMs (using backup extensions) or back up files, folders, and system state using the MARS agent.

Refer: https://learn.microsoft.com/en-us/azure/backup/backup-azure-manage-mars

Champ 1 Reputation point

2023-12-27T06:45:44.47+00:00

Hi @Sreeju Nair , I really appreciate your inputs, do you know which of the two will be more cheaper? Coz I have explore MARS as well and I didnt find any relative costing documentation in regards to that so I can compare to Azure VM Backup.

Sreeju Nair 12,361 Reputation points

2023-12-28T07:03:26.97+00:00

Hi @Champ, See when you use MARS agent and choose only to backup certain files / folders, then its cost will be less than the full VM backup cost.
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Suggestions for Cost Effective Backup Solution for Long Retention

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