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*
<[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> 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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