On Mon, Aug 29, 2011 at 10:31:14PM +0530, R J wrote:
> Hello Pasi,
>
> Thank you for your email.
> Let me explain the setup more clear, sorry for the confusion.
>
> I have 2 Dell R410 and a shared FC storage,
> I have created a Centos 64 bit VM on this pool and attached a disk.
> The disk comes from shared cloud storage and it was created while
> installing the VM.
>
> I'm sorry but I did not understand this part
> "passing thru HBA VF to the VM ? and using the VF driver in the VM ?"
>
VF = Virtual Function of SR-IOV device.
Ok so it sounds like you're not using SR-IOV at all, but just regular storage.
So first benchmark the storage from baremetal Linux, with no virtualization,
and the compare to the results you get from the XCP VM.
-- Pasi
> Thanks for help.
>
> Regards,
> Rushi
>
> On Mon, Aug 29, 2011 at 8:57 PM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
>
> On Thu, Aug 25, 2011 at 10:37:15PM +0530, R J wrote:
> > Hello List,
> >
>
> Hello,
> > I'm evaluating current stable release of XCP1 on Fiber Channel
> Storage of
> > Hitachi with 4Gb cache AMS2100.
> > I'm using boniee++ to evaluate the 2TB lun from a Centos VM 2 vCPU
> / 4GB
> > RAM ( file size 8GB ). The VM runs on a Dell R410.
> >
>
> So the subject mentions SR-IOV so does that mean you're
> passing thru HBA VF to the VM ? and using the VF driver in the VM ?
>
> Also: How does the storage perform without any virtualization,
> ie. from Linux on baremetal.
>
> -- Pasi
> > I'm getting a good speed of 120Mbps at times over 4Gbps FC.
> > My questions are
> > 1) Is it really good speed over a 4Gbps FC ?
> > 2) I start getting rport failure error if I repeat the tests for
> 3-4 times
> > so is it normal ?
> > 3) To solve above question xenserver forums are asking to upgrade
> the
> > qlogic drivers, so are there any ?
> > 4) There is no scli command in XCP1 version but as I remember there
> was
> > "scli" command in XCP0.5, so is there a way to get back it ?
> > 5) If I want to limit the storage access speed of VM what can I do
> ?
> >
> > Thanks for help.
> >
> > Regards,
> > Rushi
>
> > _______________________________________________
> > xen-api mailing list
> > [2]xen-api@xxxxxxxxxxxxxxxxxxx
> > [3]http://lists.xensource.com/mailman/listinfo/xen-api
>
> References
>
> Visible links
> 1. mailto:pasik@xxxxxx
> 2. mailto:xen-api@xxxxxxxxxxxxxxxxxxx
> 3. http://lists.xensource.com/mailman/listinfo/xen-api
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