[ovirt-users] Slow storage migration towards nfs

Tobias Fiebig mail at wybt.net
Sat Feb 21 05:15:56 EST 2015


Please disregard prev. post. Clear l8 problem.
On Sat, 2015-02-21 at 02:42 +0100, Tobias Fiebig wrote:
> Heho,
> I currently move some vms from fcal-store to nfs, so i can restructure
> the fcal storage.
> 
> However, i noticed, that dd is running with oflag=direct. I/o is
> currently very slow (~160mbit) on the nfs-servers network. Starting dd
> without oflag=direct leads to link-speed transmission (~1gbit/s).
> 
> So... is this intended beheaviour?
> 
> With best Regards,
> Tobias
> 
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