Re: [Xen-users] Windows PV Drivers

[Mariusz W <mawasak@xxxxxxxxx>]

Hi,
I used on 
http://wiki.univention.de/index.php?title=Installing-signed-GPLPV-drivers to 
run Win Server 2012R2 on Xen 4.3. It worked. I had insufficient disk 
performance - In my case when I deleted files from disc (about 3000 
small files) %CPU rised to 100% on all vCPU so other workload on this 
machine was not possible - I was not able to make workaround. But maybe 
in you case  this drivers will work. You can also look at 
http://mehdi.me/setting-up-a-windows-server-2012-r2-virtual-machine-with-xen-on-ubuntu/
Regards,
Mariusz

W dniu 2016-01-28 o 23:13, Adam Goryachev pisze:
> Hi all,
>
> I'm really confused with the current state of the Windows PV Drivers. 
> AFAICT, there are/were 4 different versions:
> 1) GPL PV drivers (seem to be the original and current stable/commonly 
> used version) signed versions from meadowcourt
> 2) EJB Digital (seem to be forked from GPL PV, for a time fixed 
> various problems, but since 2014 no development, and not available) 
> had signed drivers
> 3) XenServer Windows PV drivers, I've never used these, and assume 
> they are signed, only work with XenServer, and restricted license. 
> Don't see mention of these in most of the open source xen windows 
> driver pages.
> 4) Xen Project Windows PV Driver sub project seems to be working on 
> drivers - http://wiki.xenproject.org/wiki/Xen_FAQ_Drivers,_Windows 
> "This project has taken the the XenServer Windows PV Drivers, 
> re-written them and contributed them to the Xen Project." Currently 
> don't seem to have any signed versions available, seems to be new and 
> potentially unstable (how much was re-written? why? unknown, not 
> explained on the FAQ)
> Can anyone explain what is the current status of these projects?
>
> Of specific interest to me, I'm currently using either xen 4.1 or xen 
> 4.4 (from debian packages) with Windows Server 2003/2008R2/2012R2. 
> Which driver version and project is best (most stable, with best 
> performance) for those variations?
> How will this change in future?
> Where is current development efforts?
> If multiple projects are "current" what is the reason (benefit) in 
> maintaining those multiple implementations of the "same" thing?
> Regards,
> Adam

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