Re: [Xen-devel] Question about VirtIO on Xen - Disk performance issues

2016-01-05 Thread Luca Tongiani
w,hda,rw' ] In conf_DomU_Xen: - you are missing builder="hvm", which means you are using a PV guest rather than an HVM guest. PV guests tends to be slower on new hardware. What version of Xen are you using? On Tue, 5 Jan 2016, Luca Tongiani wrote: Sorry but I sent these logs because

Re: [Xen-devel] Question about VirtIO on Xen - Disk performance issues

2016-01-05 Thread Luca Tongiani
hem a built-in or as modules? On Tue, 5 Jan 2016, Luca Tongiani wrote: Hi, thanks in advance for your reply :) I have attached the following email configuration DomU and the output you have requested . Performance disk are all my machines the most serious problem , even if they are used pow

Re: [Xen-devel] Question about VirtIO on Xen - Disk performance issues

2016-01-05 Thread Luca Tongiani
you won't be able to use the Windows PV drivers which I linked. Linux has its own set of drivers. Did you enable the Xen PV frontends in the Linux kernel you use (/var/xen/boot/vmlinuz-4.0.5-gentoo_bmsbackup)? Did you compile them a built-in or as modules? On Tue, 5 Jan 2016, Luca Tongiani wrote

Re: [Xen-devel] Question about VirtIO on Xen - Disk performance issues

2016-01-05 Thread Luca Tongiani
the Dom0 . Thank you in advance Luca Il 05/01/2016 12:09, Stefano Stabellini ha scritto: Could you please post your VM config file and the output of xenstore-ls once the VM has completed the boot sequence? On Tue, 5 Jan 2016, Luca Tongiani wrote: Hi Stefano, im writing to you because im

Re: [Xen-devel] Question about VirtIO on Xen - Disk performance issues

2016-01-05 Thread Luca Tongiani
increase performance, even though most probably not as much. Cheers, Stefano On Tue, 15 Dec 2015, Luca Tongiani wrote: Hi to all, I'm writing you this mail for asking some advice about a great problem i'm havin in running a Windows VM (HVM) onto a Xen (Gentoo based) Hypevisor. I need

[Xen-devel] Question about VirtIO on Xen - Disk performance issues

2015-12-15 Thread Luca Tongiani
vement in IO on disk using VirtIO on a Windows VM onto a QEMU (QNAP) hypervisor, and i'm tryin to use this feature also on my Xen HV. Is VirtIO disk a good way to improve performance? Thx in advance and hope to keep in touch -- *Luca Tongiani* *Sinte* srl Soluzioni Informatiche e Telematich