|
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Re: [Xen-devel] VM disk I/O limit patch
On Wed, Jun 22, 2011 at 02:16:09PM +0200, Florian Heigl wrote: > Hi, > > relying on DM is not advisable since this is yet another layer that > breaks write barriers, plus it kills portability to non-linux OS. How so? And write barriers don't exist anymore - I think you mean flush support. And I believe they are fixed now - flush requests are passed through to the bottom layer (the real disk). But let me double check that shortly. Portability to non-linux OS? ? What do you mean by that? As in using this patch on NetBSD or OpenSolaris backend? The backend in those OS-es is quite different so it wouldn't be "portable" > > btw: > It would be cool if a block shaping patch finally made it in the Xen > mainline, since the last one that was submitted in 2009 was apparently > forgotten... Why can't dm-ioband do this for you? Hm, I don't remember seeing that patch at all? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
 |
Lists.xenproject.org is hosted with RackSpace, monitoring our |