Forum Discussion
Slow Server 2019 Disk Performance
I recently built a cluster of new to me Dell R620s, which run HyperV with various services. I noticed right away that these servers were running slower than our old servers, with poor mysql performa...
d3mon187 Out of curiosity, what was your disk configuration?
I'm seeing atrocious speed in 2019 with both Storage Spaces with Parity, and RAID 5. It's up to 10x slower than 2016 with identical configuration.
https://social.technet.microsoft.com/Forums/en-US/5dc0add7-9d2c-4fd9-92c8-b92ac41a92dd/2019-parity-performance-is-terrible-code-issue?forum=winserverfiles
Had the same problem with Server 2019.
After uninstalling the Defender-Service everything works as expected.
