Hi! First, I took three weeks off around! Hope that everyone had a relaxing summer vacation and that you are ready to read new Blog posts! 🙂 As you know, while overall ReFS stability has much improved, there’s still one major issue with the ReFS driver memory management, which causes kernel memory usage to spike on large backup file deletions, sometimes causing server lockups. The workaround for this issue has been to throw lots of RAM at the backup repository server (1 GB RAM per 1 TB storage), which is obviously not ideal. Per Microsoft, this issue was resolved in the RS5 build (aka Windows Server 2019) quite a while ago, but initially, they did not plan to port it back to the RS1 build (aka Windows Server 2016) due to some significant complexities of this process.



