Re: [Qemu-devel] [ceph-users] Backport of modern qemu rbd driver to qemu 1.0 + Precise packaging

[Wolfgang Hennerbichler]

Hi again, 

compiled, tested, seems to work for me. 
Fulfilling my own request, if that's OK for you, Alex. Download and try Alex' 
packages here on your own responsibility: 
http://www.wogri.at/Qemu-Ceph-Packages.343.0.html

Wolfgang

On Fri, Jun 21, 2013 at 03:41:53PM +0100, Alex Bligh wrote:
> I've backported the modern (qemu 1.5) rbd driver to qemu 1.0 (for anyone
> interested). This is designed for people who are conservative in hypervisor
> version, but like more bleeding edge storage.
> 
> The main thing this adds is asynchronous flush to rbd, plus automatic
> control of rbd caching behaviour. I have NOT backported the extended
> configuration bits.
> 
> I've used runtime testing through weak binding to detect the version
> of librd in use, so it's possible to compile against a standard
> Precise librbd, then run with a more modern one and take advantage
> of async flush. It works the other way around too. Note the original
> implementation of this posted to the qemu list (but not
> taken) did not quite work.
> 
> The backport in qemu repository format can be found at
>  https://github.com/flexiant/qemu/commits/v1.0-rbd-add-async-flush
> (note the branch is v1.0-rbd-add-async-flush).
> 
> I've also backported this to the Ubuntu Precise packaging of qemu-kvm,
> (again note the branch is v1.0-rbd-add-async-flush) at
>  https://github.com/flexiant/qemu-kvm-1.0-noroms/tree/v1.0-rbd-add-async-flush
> 
> THESE PATCHES ARE VERY LIGHTLY TESTED. USE AT YOUR OWN RISK.
> 
> -- 
> Alex Bligh
> 
> 
> 
> 
> _______________________________________________
> ceph-users mailing list
> address@hidden
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

-- 
http://www.wogri.com