[MacTUG] Using ARD to copy to multiple macs -- now super slow: SOLVED!!!!!!

[Donald Duff-McCracken]

My ARD problems were a networking issue related to our new routers that we had installed. I reported it to IST and it was promptly resolved. And ARD is back to its speedy self -- eg pushing Firefox to 30 machines in <10 seconds (from an old mac mini).


Speaking of ARD, has anyone noticed that if you are accessing a computer and "lock" its screen (eg click on the little "curtains" icon) and restart said client, you are in limbo as you cannot reconnect? One needs to unlock the screen before restarting.


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Donald Duff-McCracken
Technical Services Manager
Mapping, Analysis & Design
Faculty of Environment
University of Waterloo
(519) 888-4567 x32151
https://uwaterloo.ca/environment-computing/about/people<https://connect.uwaterloo.ca/owa/14.3.266.1/scripts/premium/redir.aspx?SURL=Ip67Wkr8xENuv0Tp1ZNpOE8gkdDlCkkl2xoE8QopkiVZuIwlNjLTCGgAdAB0AHAAcwA6AC8ALwB1AHcAYQB0AGUAcgBsAG8AbwAuAGMAYQAvAGUAbgB2AGkAcgBvAG4AbQBlAG4AdAAtAGMAbwBtAHAAdQB0AGkAbgBnAC8AYQBiAG8AdQB0AC8AcABlAG8AcABsAGUA&URL=https%3a%2f%2fuwaterloo.ca%2fenvironment-computing%2fabout%2fpeople>
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From: Donald Duff-McCracken
Sent: Friday, November 16, 2018 2:52 PM
To: MacTUG
Subject: Using ARD to copy to multiple macs -- now super slow


Hi have 2 macs that are running ARD, and other than a few software updates nothing has changed (to them or the clience) since the September but when I copy files to more than one of my lab macs, the speed becomes unbearably slow (and failure usually happens).



For example a ½ gig file copies to one mac in about 10 seconds. Usually I could send a handful of machines and it would not be that much longer (certainly loads faster than doing them one at a time). Now when I send the file to just 2 macs, it takes minutes to even get part of the file copied. (I have been copying to two macs when I have been writing this and am only at 2%).



I have replicated this on 2 different servers running ARD.



While we have some switches being upgraded in our area, none of them have happened that should be effecting these computers.



I have not investigate this fully but just wanted to see if any other ARD users can replicate this?

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Donald Duff-McCracken
Technical Services Manager
Mapping, Analysis & Design
Faculty of Environment
University of Waterloo
(519) 888-4567 x32151
https://uwaterloo.ca/environment-computing/about/people

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