On Sun, Mar 14, 2010 at 04:58:06PM +0100, Paolo Rivetti wrote:
> I just updated my Xen host to version 3.4.2 through gitco.de /repo
> Starting a virtual machine I have the following error, anyone know what
> this is?
Well now your Xen hypervisor and xen tools have PVSCSI support,
but your dom0 and domU kernels still lack support (drivers)!
-- Pasi
> xm create -c / etc/xen/tb0
> Using config file "/etc/xen/tb0.
> Error: Boot loader did not return any data!
> My configuration uses this parameter: bootloader = "/usr/bin/pygrub"
> On Mar 14, 2010, at 3:24 PM, Boris Derzhavets wrote:
>
> Xen Hypervisor on CentOS 5.X may be upgraded to 3.4.2 via
> [1]http://gitco.com/repo
> Xenified kernel will stay matching current status in repos
> 2.6.18-128el5xen or something
> like that.
>
> Boris.
>
> --- On Sun, 3/14/10, Pasi Kärkkäinen <[2]pasik@xxxxxx> wrote:
>
> From: Pasi Kärkkäinen <[3]pasik@xxxxxx>
> Subject: Re: [Xen-users] Virtual SCSI
> To: "Paolo Rivetti" <[4]natecult@xxxxxx>
> Cc: "James Harper" <[5]james.harper@xxxxxxxxxxxxxxxx>,
> [6]xen-users@xxxxxxxxxxxxxxxxxxx
> Date: Sunday, March 14, 2010, 10:10 AM
>
> On Sun, Mar 14, 2010 at 02:30:58PM +0100, Paolo Rivetti wrote:
> > I'm trying to assign 2 SATA devices to a PV guest.
> >
> > Command lsscsi:
> >
> > [0:0:0:0] disk ATA WDC WD3200AAJS-0 12.0 / dev / sda
> >
> > [2:0:0:0] disk ATA WDC WD10EADS-00L 01.0 / dev / sdb
> >
> > [3:0:0:0] disk ATA WDC WD10EADS-00L 01.0 / dev / sdc
> >
> > Therefore my configuration:
> >
> > vscsi = [ '/ dev / sdb, 2:0:0:0', '/ dev / sdc, 3:0:0:0']
> >
> > The PV guest starts correctly but there are no disks sdb and
> sdc.
> >
> > Where am I wrong? Thanks
> >
> > There shouldn't be spaces between the '/'s. Are they just an
> artefact of
> > the cut & paste to email?
> >
> > It was only a mistake of copy pasting. This is my configuration:
> > name = "of0"
> > memory = "512"
> > disk = [ 'phy:/dev/vg1/of0,xvda,w' ]
> > #, 'phy:/dev/sdb,xvdb,w', 'phy:/dev/sdc,xvdc,w' ]
> > vif = [ 'mac=00:01:4F:FC:00:00,bridge=xenbr0' ]
> > bootloader="/usr/bin/pygrub"
> > vcpus=2
> > on_reboot = 'restart'
> > on_crash = 'restart'
> > kernel="/boot/vmlinuz-2.6.18-164.el5xen"
> > root ="/dev/xvda ro"
> > vscsi = [ '/dev/sdb, 2:0:0:0', '/dev/sdc, 3:0:0:0' ]
> >
> > Other things to consider:
> > 1. is the pvscsi module loaded? Is it definitely supported by
> your
> > version of xen? The fact that it silently doesn't do anything
> is
> > suspicious
> >
> > What is the module to load? With the command "dmesg | grep
> pvscsi" prompt
> > returns nothing. How can I check if the version of Xen supports
> this
> > module? My version is this:
> > xen-3.0.3-94.el5
> > xen-libs-3.0.3-94.el5
> > kernel-xen-2.6.18-164.el5
> >
>
> I don't think RHEL5 version of Xen has PVSCSI support.
>
> You need to have the pvscsi backend driver (scsiback) in dom0 kernel,
> and the pvscsi frontend driver (scsifront) in the domU kernel.
>
> Also Xen tools in dom0 need to have the support for handling PVSCSI.
> iirc PVSCSI first appeared on Xen 3.3.0.
>
> -- Pasi
>
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> [7]Xen-users@xxxxxxxxxxxxxxxxxxx
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>
> References
>
> Visible links
> 1. http://gitco.com/repo
> 2. mailto:pasik@xxxxxx
> 3. mailto:pasik@xxxxxx
> 4. mailto:natecult@xxxxxx
> 5. mailto:james.harper@xxxxxxxxxxxxxxxx
> 6. mailto:xen-users@xxxxxxxxxxxxxxxxxxx
> 7. file:///mc/compose?to=Xen-users@xxxxxxxxxxxxxxxxxxx
> 8. http://lists.xensource.com/xen-users
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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