--- Edson Noboru Yamada <eyamada AT diveo.net DOT br> wrote:

> 
> >weve got a large gig env.  our speeds for single
> >server/stream systems range from 20-50MB/sec.  our
> >older systems that have gig cards have slower disk
> so
> >thats a limiting factor in our shop.  we still have
> >100 and 10 systems and we try to dump those to
> avoid
> >eating tape drives with slow jobs (go to disk stu
> and
> > then tape).
> 
> 
> Thanks for sharing.
> 
> Have you performed some kind of tuning to reach
> these rates 
> (like jumbo frames, increased buffers size or amount
> or something like that) or just
> plugged and played?
> 
> Although our efforts, we havent got anything higher
> than 
> a disappoint 12 MB/s...
> 
> Thank you
this is "out of the box" speeds for the most part.  we
have changed some settings on unix hosts and a few
windows server (tcp window sizes).  we are looking at
doing a vlan with jumbo frames turned on to see if
this may improve on things.  are you sure the speed
you are seeing is due to network and not disk/tape/other?


                
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