[ofw] SMB/CIFS over SDP or alternative fileserver

[Tzachi Dar]

The new version of SDP that should be available soon will allow 32 bit
applications to run on 64 bit systems as well.

Thanks
Tzachi

On 3/14/07, Sebastian Schmitzdorff <sebastian.schmitzdorff at hamburgnet.de>
wrote:
>
> Hi Tzachi,
>
> I was considering an FTP Server at first, but it is not the right tool
> for the job.
> The Situation is the following. It is a multimedia/video editing company.
> They need to access raw HDTV material from their windows workstations
> for editing
> and playback. So FTP is not an option in this case because FTP requires
> a full download to local memory.
>
> SMB/CIFS, NFS and maybe similar protocols seem to be the only options
> for real time playback and editing.
>
> Today I have tried tweaking the Windows XP TCP/IP settings by setting
> the Tcp1323Opts option
> and raising the TcpWindowSize to 512k. There was a little bandwidth
> increase but still not enough.
> If I am not mistaken using IPoIB on windows will not bring me near my
> performance expectations(300MB/s) at the moment.
>
> I will start trying the NFS(nfsaxe) over the SDP provider from Mellanox
> today.
> My biggest concern at the moment is that the Server is a 64bit Windows
> XP and the nfsaxe server application
> is a 32bit executable. If I read and understood the SDP Documentation
> correctly you can not use a 32bit application
> with SDP on a 64bit Windows?




thank you
> sebastian
>
>
> So they need to work on parts
>
> Tzachi Dar wrote:
> > Hi, the SDP provider that is provided by mellanox only works for user
> > mode applications. The cifs client/servers that come with windows are
> > kernel components and therefore can not use it.
> >
> > It seems that nfsaxe client and server are user mode and therefore
> > they should work, but this will have to be checked.
> >
> > Another question that I have is this: Do you realy need to access the
> > files as Fileserver? That is, do you need to work on part of the
> > files, or a solution that will copy the files enough? To make this
> > more clear, will it be enough for you to have an FTP client/server
> > working?
> >
> > Thanks
> > Tzachi
> >
> >
> > On 3/13/07, *Sebastian Schmitzdorff*
> > <sebastian.schmitzdorff at hamburgnet.de
> > <mailto:sebastian.schmitzdorff at hamburgnet.de>> wrote:
> >
> >     Hi,
> >
> >     I have two Windows XP 32bit Workstations and one Windows XP 64bit
> >     Server.
> >     Both are using 4x mellanox hca's.
> >     The Server is supposed to function as a Fileserver and is required
> to
> >     deliver High Bandwidth.
> >     Around 300MB/s is required.
> >
> >     Using IPoIB, measuring with various tools(iperf,netper), the
> machines
> >     achieve a poor IP performance,
> >     between 90MB/s and 150MB/s.
> >
> >     I'm looking for alternative ways to get more bandwidth. SDP seems
> just
> >     right for the task.
> >     I will look into running a windows based nfs server (nfsaxe) and
> hope
> >     that it can be run using SDP.
> >     NFS is not my protocol of choice though. Do you know of any
> >     alternative
> >     Fileserver that can be run via SDP and
> >     comparable to SMB/CIFS? Or is it even possible to run SMB/CIFS
> >     over SDP?
> >
> >
> >     best regards
> >     sebastian
> >
> >     _______________________________________________
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> >     ofw at lists.openfabrics.org <mailto:ofw at lists.openfabrics.org>
> >     http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw
> >
> >
>
>
> --
>
> Hamburgnet, Geschäftsführer Sebastian Schmitzdorff
> http://www.hamburgnet.de
> Kottwitzstrasse 49 D-20253 Hamburg
> fon: 040 / 736 72 322 fax: 040 / 736 72 321
>
>
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