Re: [Moosefs-users] KVM on MFS

[Ólafur Ó. <osv...@ne...>]

Hi,
We have not done extensive testing within the domU's, we did before deploying do tests on the dom0's to compare against the SAN and iSCSI setups we have and found the speed was acceptable in comparison to those.

/Oli

On 13.5.2011, at 17:15, Kristofer Pettijohn wrote:

> Just curious - how has your performance been with that?  Have you ran any type of performance benchmarks from within any of the domU's?
> 
> ----- Original Message -----
> From: "Ólafur Ósvaldsson" <osv...@ne...>
> To: "Richard Chute" <ric...@ai...>
> Cc: moo...@li...
> Sent: Friday, May 13, 2011 10:05:54 AM
> Subject: Re: [Moosefs-users] KVM on MFS
> 
> Hi,
> Not sure if this is the same problem as yours, but we are running a decent Xen setup with MFS as the storage for the VM's, it works very well and the only problems we have had was when trying to use directio, if that is disabled it works fine.
> 
> /Oli
> 
> On 13.5.2011, at 14:24, Richard Chute wrote:
> 
>> Hello MFS Devs,
>>  I am evaluating MooseFS for use in various aspects of our business, 
>> and one of them is in use as a storage mechanism for virtual machines.  
>> Specifically, we're using proxmox for virtualization in our environment, 
>> and we seem to be hitting a snag when using KVM containers -- the 
>> virtual machines won't start.  We currently believe that this may be 
>> because MFS (or FUSE, possibly) does not allow mmap'ing of files.
>>  I am wondering if anyone can shed some light on this type of 
>> situation (using MFS for storage of KVM virtual machines) and/or if 
>> anyone has any known or possibly unknown issues with mmap'ing files on MFS.
>> 
>>  Thanks,
>>  Richard.
>> 
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> 
> --
> Ólafur Osvaldsson
> System Administrator
> Nethonnun ehf.
> e-mail: osv...@ne...
> phone: +354 517 3400
> 
> 
> ------------------------------------------------------------------------------
> Achieve unprecedented app performance and reliability
> What every C/C++ and Fortran developer should know.
> Learn how Intel has extended the reach of its next-generation tools
> to help boost performance applications - inlcuding clusters.
> http://p.sf.net/sfu/intel-dev2devmay
> _______________________________________________
> moosefs-users mailing list
> moo...@li...
> https://lists.sourceforge.net/lists/listinfo/moosefs-users

--
Ólafur Osvaldsson
System Administrator
Nethonnun ehf.
e-mail: osv...@ne...
phone: +354 517 3400