Increase reserved storage size of SQL Managed Instance
GP SKU: 8 TB is currently the maximum capacity of the GP instance of an Azure SQL DB Managed Instance. This capacity is not sufficient for some scenarios where the volume of data is significant.
BC SKU: Add higher storage SKUs for business critical Azure SQL Managed instance. Currently for Gen5 Business Critical Service Azure SQL managed instance restricts max instance reserved storage size to 4 TB for 32, 40, 64, 80 vCores, there is no option for higher storage needs greater than 4TB.

8 comments
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Chris Green commented
Our application requires 3 TB storage on business critical tier, but we only need 16 cores. This limitation doubles the cost for SQL MI and forces us to go with the SQL IaaS option. Would really prefer to use SQL MI, but not at such inflated cost.
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Matt commented
The Storage limits seem daft, We have around 10 TB of database space on our on prem SQL Instance. We cannot move this to Azure Managed SQL Instance unless we have 2 instances which then increases costs drastically making it not even close to being financially sensible to do this.
8 TB limit when you can have much bigger limits on Azure VMs just seems daft.
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Ahmed commented
For Sure, the storage limit needs to increase, 4 TB for mordern OLTP database is quite limited.
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Hitesh Patel commented
Also increase reserve storage limit for lower vCore tiers like for 8vCore to 2TB.
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Anonymous commented
Need more storage on the Business critical tier! At 8 cores 1TB is not enough
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Hitesh Patel commented
Add higher storage SKUs for business critical Azure SQL Managed instance. Currently for Gen5 Business Ctitical Service Azure SQL managed instance restricts max instance reserved storage size to 4 TB for 32, 40, 64, 80 vCores, there is no option for higher storage needs greater than 4TB.
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Clint H commented
Additional storage above 1TB for the Business Critial Tier would be extremely useful.
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Mark Nettle commented
And the Business Critical tier has even smaller capacity. Particularly so with smaller cores. More storage with 8-16 vCores of Business Critical would be a huge benefit for us.