On Mon, Sep 07, 2009 at 02:36:13PM -0300, Juan Pablo Torres wrote:
> Hi everyone.
> I?m having this problem with Red Hat 5.4 running on a HP ProLiant BL460c G6.
>
> I have two windows 2k3 x64, but network performance is extremely bad without
> PV drivers, i mean, it takes a lot of time to access any location and if the
> path has many folders it can?t conect.
> Redhat provides some PV dirvers. I?ve installed them, but with no
> improvements.
> I tested another DomU, with the gplpv_fre_wnet_AMD64_0.10.0.86 drivers, and
> the results where better, but still slow.
> Network on Dom0 works perfect. And file transfer between Dom0 and DomU works
> great too.
> I?ve tested a Win 32bit also, but the problem persist.
> what could possibly be the reason?
> thanks in advance;
>
Without PV drivers you should have model=e1000 for the guest, dunno if
this is the default in RHEL 5.4. That's the best performing Qemu
emulated NIC.
PV drivers should be faster/fastest though, since there's no need for
any kind of emulation then.
Did you play with offloading settings, or try disabling checksumming on
the gplpv adapter settinst in Windows?
-- Pasi
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