On Tue, Aug 30, 2011 at 12:09:23AM +0530, R J wrote:
> On Mon, Aug 29, 2011 at 10:39 PM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
>
> 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.
>
> Hmm so this is an expected start, I should read and find on VF.
> Please share some links if you have :)
>
> So first benchmark the storage from baremetal Linux, with no
> virtualization,
> and the compare to the results you get from the XCP VM.
>
>
> I don't want to compare baremetal linux and XCP VM.
> I want to compare the XCP VM with SR-IOV to XCP VM without SR-IOV.
> Also few other questions which may not be related to SR-IOV are listed
> down.
>
So what FC HBA do you have? Does it have SR-IOV VFs?
-- Pasi
> > Thanks for help.
> >
> > Regards,
> > Rushi
> >
> > On Mon, Aug 29, 2011 at 8:57 PM, Pasi Kärkkäinen
> <[1][2]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
>
>
> These were my original questions
>
> > > 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][3]xen-api@xxxxxxxxxxxxxxxxxxx
> > > [3][4]http://lists.xensource.com/mailman/listinfo/xen-api
> >
> > References
> >
> > Visible links
> > 1. mailto:[5]pasik@xxxxxx
> > 2. mailto:[6]xen-api@xxxxxxxxxxxxxxxxxxx
> > 3. [7]http://lists.xensource.com/mailman/listinfo/xen-api
>
> References
>
> Visible links
> 1. mailto:pasik@xxxxxx
> 2. mailto:pasik@xxxxxx
> 3. mailto:xen-api@xxxxxxxxxxxxxxxxxxx
> 4. http://lists.xensource.com/mailman/listinfo/xen-api
> 5. mailto:pasik@xxxxxx
> 6. mailto:xen-api@xxxxxxxxxxxxxxxxxxx
> 7. http://lists.xensource.com/mailman/listinfo/xen-api
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