sounds like a speed/duplex mismatch. I would try to hard code both the servers
and the switch to 100 or 1000 /full if that does not work set the servers to
auto, I have seen problems on some server NIC's and switches when both are set
to 100/Full and network transfers are slow.
Micheal Espinola Jr <[EMAIL PROTECTED]> wrote: 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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