Ah, that would explain the absurdly bad I/O performance I was seeing in Azure VMs that had the new NVMe virtual disk controllers! I had spoken with some of the

Ah, that would explain the absurdly bad I/O performance I was seeing in Azure VMs that had the new NVMe virtual disk controllers! I had spoken with some of the teams involved and they were rather cagey about the root cause, but at least one person mentioned that there were some fixes in the pipeline for Windows Server 2022 NVMe support. I guess this must have been it!