[ale] nfs & collisions

Jason Day jasonday at worldnet.att.net
Mon Feb 24 13:14:34 EST 2003


On Mon, Feb 24, 2003 at 05:10:53PM +0000, hbbs at attbi.com wrote:
> If you're trying to push ~20GB between two machines through four unswitched 
> (and I presume 10base-T) hubs, then, yeah, it's gonna collide like a SOB and 
> take 31 hours.  At the very least, get the two machines on the same hub, but, 
> better yet, put a 10/100 switch in place.  Just because the four cascaded hubs 
> works doesn't mean it works efficiently.  The latency is just going to be awful.

<tangent>
Would putting the two machines on the same hub really make any
difference?  I thought unswitched hubs always broadcast all traffic over
all ports.  Or is an unswitched hub still smart enough to broadcast the
traffic only on the local ports if the destination address is local?
Just curious.
</tangent>

Jason
-- 
Jason Day                                       jasonday at
http://jasonday.home.att.net                    worldnet dot att dot net
 
"Of course I'm paranoid, everyone is trying to kill me."
    -- Weyoun-6, Star Trek: Deep Space 9
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