Re: Windows Server 2008 VM performance

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Javier Guerra wrote:
On Tue, Jun 2, 2009 at 4:38 PM, Avi Kivity <avi@xxxxxxxxxx> wrote:
Andrew Theurer wrote:
P.S. Here is the qemu cmd line for the windows VMs:
/usr/local/bin/qemu-system-x86_64 -name newcastle-xdbt01 -hda
/dev/disk/by-id/scsi-3600a0b80000f1eb10000074f4a02b08a
Use: -drive /dev/very-long-name,cache=none instead of -hda to disable the
host cache.  Won't make much of a differnence for 5 MB/s though.

would emulating SCSI instead of IDE help while we hope and wait for
virtio_block drivers? (and better virtio_net).

I don't think the scsi emulation currently supports command parallelism, but I could be wrong.

Worth trying.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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