You can change the mount options of the storage domain to v4.
Y.

On Wed, Jun 22, 2016 at 3:26 PM, Sven Achtelik <Sven.Achtelik@mailpool.us> wrote:

Hi,

 

I’ve done some testing and it turns out that my NFS-Server seems to be the limiting factor in combination with the used NFS version. The Server is a Windows Server 2012 R2 with “Service for Network File System” installed. I mounted the share from ovrit with the default nfs version 3 and it work but not more than 100Mbit/s and I don’t know why. When mounting the share on the host manually like so “mount –t nfs4 –o minorversion=1 172.16.6.7:/test /mnt/test/” I was able to get to about 400Mbit/s. It’s still far away from full speed  but that’s ok for me. I tried to change the NFS version in ovirt to V4, but with these settings the mount fails. It has to be NFS4.1 – can that be done over the GUI somehow or are there any other options ?

 

Thank you,

 

Sven

 

Von: Vinzenz Feenstra [mailto:vfeenstr@redhat.com]
Gesendet: Mittwoch, 22. Juni 2016 12:40
An: Christophe TREFOIS <christophe.trefois@uni.lu>
Cc: Sven Achtelik <Sven.Achtelik@mailpool.us>; users@ovirt.org
Betreff: Re: [ovirt-users] Slow Export Domain

 

 

On Jun 22, 2016, at 12:31 PM, Christophe TREFOIS <christophe.trefois@uni.lu> wrote:

 

Not true, we have seen significant slowness because of the way oVirt exports the VMs, as well as I/O.

 

Well all I wanted to say with this is, that there is no artificial limitation of the speed. At least not that I know of, if there’s an issue with the speed which is caused by a software issue on our side please do report a bug.



 

Best,

Dr Christophe Trefois, Dipl.-Ing.  
Technical Specialist / Post-Doc

UNIVERSITÉ DU LUXEMBOURG

LUXEMBOURG CENTRE FOR SYSTEMS BIOMEDICINE
Campus Belval | House of Biomedicine  
6, avenue du Swing 
L-4367 Belvaux  

T: +352 46 66 44 6124 
F: +352 46 66 44 6949  
http://www.uni.lu/lcsb

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On 22 Jun 2016, at 10:07, Vinzenz Feenstra <vfeenstr@redhat.com> wrote:

 

 

On Jun 22, 2016, at 9:39 AM, Sven Achtelik <Sven.Achtelik@mailpool.us> wrote:

 

Hi Everyone, 

 

I’m trying to export VMs to an Export Domain for Backup and noticed that all of this is running at max 100Mbit/s. Is this some limitation that comes with the Export Domain ? I’ve checked all network connections and all of them report at least 1000Mbits/s.  Am I missing something ? 

 

So from our side there’s no limitation. So there might be a router, switch or anything in between that does not support 1 GBit on your network. You’re really just limited here by Storage and/or Network bandwith.



 

Thank you, 

 

Sven  

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