Re: [vfio-users] Disk Performance

2016-04-02 Thread Nick Sarnie
Hi, Thanks for your detailed post. I believe I have already changed my script to make sense, thanks to the previous reply. I've attached it again below. For networking, I am using a wireless card where I cannot create a bridge, and my IP changes very often. Is there a simple way to manually create

[vfio-users] Disk Performanceā€¸

2016-04-02 Thread Zir Blazer
Errata: If the SCSI Controller has id=scsi0, the Bus name is scsi0.0 This works: -drive if=none,id=drive0,format=raw,file=/dev/vg0/w10x64-device virtio-scsi-pci,id=scsi0-device scsi-hd,drive=drive0,bus=scsi0.0 (Or you can omit bus=)__

[vfio-users] Disk Performance

2016-04-02 Thread Zir Blazer
I spend a lot of time experimenting what works and what doesn't, through I never benchmarked anything to see performance differences.The main issue is that QEMU has a load of old syntaxis and parameters mixed with new ones that you must use to get the latest features, and documentation is extrem

Re: [vfio-users] Disk Performance

2016-04-02 Thread Nick Sarnie
Hi again, Fluxion: Thanks, I've added that. Unfortunately, I'm stuck using net user because I'm only on wireless so I can't bridge easily, and I haven't been able to get any of the wireless bridging taps working. Also, I'm at university so my IP changes a lot, which seems like I'd have to reconfig

Re: [vfio-users] Disk Performance

2016-04-02 Thread Bob Dawes
In my (not particularly significant) experience that question never seems to produce a consistent answer and certain drive performance has noticeably changed for the better in recent versions so it's all a moving target. I do know if=virtio is considered the legacy approach vs if=none because e

[vfio-users] Disk Performance

2016-04-02 Thread Nick Sarnie
Hi guys, It seems the biggest limiting factor of my GPU Passthrough setup is the disk. Does anyone have any tips to optimize it? Also, which is faster, having the disk with if=virtio, or having the disk with if=none and a virtio SCSI controller. The raw image is 250GB on a 500GB ext4 hard drive, w