November 3, 20223 yr The parity check has dropped from 130+ MB/s to 9 to 10 MB sec The server was moved from the physical Ryzen machine to an intel R720D Dell Server as a VM with ITmode card. The data transfers are fine with no decrease in speeds but only the parity checks are slow. I have checked other threads and didnt find any solution that was posted there suitable here. Diags posted as well . dmnassrv001-diagnostics-20221103-1920.zip
November 3, 20223 yr Community Expert Nothing obvious, can you can try booting Unraid bare metal on that server to rule out virtualization issues?
November 4, 20223 yr Author Is there any special vm settings that i need to take care of before I try the baremetal boot ?
November 4, 20223 yr Author Hardware based booting , is still slow but better than the VM VM was about 10MB/s this is about ~|30MB/s The standard copying of data from the system to the shares are running at normal speeds about 140MB/s . Mark as Solution Edited November 4, 20223 yr by Anirudhks
November 4, 20223 yr Author Solution I think I found the problem one of the Parity disk was a USB disk running via a USB2 Port , after removing it its now back to full speed thank you for the support
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