This one time, at band camp, Jon LaBadie wrote:
>On Thu, Aug 18, 2005 at 10:16:48AM +1000, Jamie Wilkinson wrote:
>> 
>> Another data point though; this backup today started at 1:30am (it's now
>> 10:15am) and is only 35% through -- about 20GiB.  This is pretty abnormal
>> (well, compared back to when it used to run -- it would on a bad day be
>> finishing about now).
>> 
>
>Do you have network analysis capability?  One of the early things
>network-knowledgable people seem to ask is if there is a duplex
>(half/full) mismatch between the switch and the system.  Possibly
>some auto-negotiation did not get it right.  IIRC, it causes a lot
>of collisions and resends.

Yeah, I do.  Thanks for the pointer.