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Re: NetBSD disk performance on VirtualBox

On Mon, 19 Mar 2018 22:44:44 +0000
Chavdar Ivanov <> wrote:

> I managed to get mine to about 180MB/sec, host i/o cache didn't make
> much difference, but I switched to ICH9 chipset and ICH6 SATA
> controller... Hold on, I just realised my root device is on an IDE
> controller, not SATA, which must have been the default setting for
> NetBSD in VirtualBox. I'll check using SATA.
> My Centos VM returns some 600MB/sec.
> Chavdar

I suspect this may be due to Linux KVM/VirtualBox integration and
optimized paravirtualzed drivers. 

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