
15 Nov
2022
15 Nov
'22
4:48 p.m.
Hello all. I just installed ovirt node and the hosted engine on a single host. As the setup did not offer a option for local filesystems, I used a iscsi LUN on the same host. So the engine got installed there. That LUN is a on a nvme disk, the kind that reads higher than 3GB/s. Yet, on a vm, i cannot get more than 280MB/s. That's using virtio-scsi or virtio as the interface. Using SATA gives around 350MB/s. I tested with dd, like: Bechmarking writes: dd if=/dev/zero of=/root/test bs=1M count=7000 status=progress Bechmarking reads: dd if=/root/test of=/dev/null bs=1M status=progress Also with hdparm -t /dev/sda Is ISCSI supposed to be this slow? Again, this is on the same machine.