Re: [Xen-devel] Re: FC Transport layer in xen

[Tej <bewith.tej@xxxxxxxxx>]

On Tue, Aug 26, 2008 at 6:29 AM, Jun Kamada <kama@xxxxxxxxxxxxxx> wrote:
> Hi Tej-san Mark-san and all,
>
> Unfortunately, the pvSCSI driver for Xen 3.3 does not support FC
> transport layer functionality. I consider that at least new export
> mode, which exports whole physical SCSI tree under a HBA to guest
> domain, is needed. (FC transport functionality assumes physical
> topology, I think.)
Actually i am still at compilation and building stage of xen 3.3 and
will get back  on this.
Currently we are using the patches indicated in my previous post. i
could get the following.
1. I am able to access and see all the disk on SAN in dom0 i.e. cat
/proc/scsi/scsi list all the disk.
2. domU could not able to see that FC HBA driver itself, i will try
with directly assigning the PCI device to domU (HTH)
Front-back arch. could not be the culprit because this arch. is
applicable to dom0 also.

so what i am missing?

thanks
-tej
>
> Best regards,
>
>
> On Sun, 24 Aug 2008 09:07:25 +0530
> Tej <bewith.tej@xxxxxxxxx> wrote:
>
>> On Sun, Aug 24, 2008 at 6:53 AM, Mark Williamson
>> <mark.williamson@xxxxxxxxxxxx> wrote:
>> > Actually, the PVSCSI *was* mentioned in the 3.3 release announcement so I
>> > think you should find it there...
>>
>> yaa i was looking at 3.3 release notes, but i couldn't relate PVSCSCI to it
>> thanks for this pointers
>>
>> >
>> > The header file seems not to have made its way into xen/include/public/io/
>> > along with the other front/back interface definitions.  It is in the 
>> > XenLinux
>> > copy of that directory, though, which I hadn't checked.
>> >
>> > 3.3 is probably worth looking at, then ;-)
>> >
>> > Cheers,
>> > Mark
>> >
>> > On Saturday 23 August 2008, Tej wrote:
>> >> On Thu, Aug 21, 2008 at 5:16 AM, Mark Williamson
>> >>
>> >> <mark.williamson@xxxxxxxxxxxx> wrote:
>> >> > On Wednesday 20 August 2008, Tej wrote:
>> >> >> Hi All
>> >> >>
>> >> >> As i was referring to the following link
>> >> >> http://lists.xensource.com/archives/html/xen-devel/2007-06/msg00996.html
>> >> >>
>> >> >> but i can't see this work in official xen 3.2.
>> >> >> Is it still in review?
>> >> >
>> >> > I think I've seen activing reviewing of this patch set fairly recently 
>> >> > so
>> >> > presumably it's still being worked on.  It doesn't look like it's made 
>> >> > it
>> >> > into 3.3, so I guess 3.4 would be the soonest we'd expect it...
>> >> >
>> >> >> Or can i use the same patches to perform some NPIV task.
>> >> >
>> >> > If you're willing to try experimental software you could probably patch
>> >> > the code yourself - you might need to be prepared to do some merging in
>> >> > places if the Xen tree has diverged from the state that the patches
>> >> > expect...
>> >> >
>> >> > You should try to make sure you have the most recent patches possible -
>> >> > I'm sure they've been updated several times since the mailing list post
>> >> > that you found.
>> >>
>> >> thanks, i will go ahead with the solution.
>> >>
>> >> > Cheers,
>> >> > Mark
>> >> >
>> >> >> thanks in advance for any help
>> >> >>
>> >> >> -TEJ
>> >> >
>> >> > --
>> >> > Push Me Pull You - Distributed SCM tool
>> >> > (http://www.cl.cam.ac.uk/~maw48/pmpu/)
>> >
>> >
>> >
>> > --
>> > Push Me Pull You - Distributed SCM tool 
>> > (http://www.cl.cam.ac.uk/~maw48/pmpu/)
>> >
>>
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>
>
> -----
> Jun Kamada
>
>
>

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