The server definately is.  The switch should be, but I will have to
confirm.  Thanks for the idea!

On Tue, May 20, 2008 at 12:33 PM, Michael B. Smith
<[EMAIL PROTECTED]> wrote:
> Well, the first question I always ask - are the ports locked at speed/duplex
> on both the server NICs and the switch ports?
>
> Regards,
>
> Michael B. Smith
> MCSE/Exchange MVP
> http://TheEssentialExchange.com
>
>
> -----Original Message-----
> From: Micheal Espinola Jr [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, May 20, 2008 12:27 PM
> To: NT System Admin Issues
> Subject: [Robo]copy performance issue
>
> Hi everyone,
>
> I"m seeing something peculiar with robocopy, and quite the opposite of
> anything I have seen before or would expect.  I am performing a simple
> robocopy mirror copy between two servers.  When these servers were
> attached to different uplinked switches, copy time/performance was as
> expected.
>
> I recently moved one of the servers so that it is connected to the
> same switch, and apparently all copy-related performance has become
> abismal - with network utilization staying below 1% !  Previously,
> when connected to an up-linked switch, the utilization would peak
> close to 50% during a large file copy.  This happens with robocopy as
> well as an Windows GUI copy.
>
> The switches involved are Cisco 3560's.  Both servers are currently
> attached to the same, while with the prior placement one of the
> servers was attached to a different 3560 that is up-linked via SFP.
>
> I'm currently at a loss as to why this is occuring.  Any suggestions/ideas?
>
> TIA!
>
> --
> ME2
>
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