Controls Group Web-Enabled Medm Matt Bickley. Controls Group On-Call Support Controls staff provides support 24/7 Home computers are provided by the lab.

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Presentation transcript:

Controls Group Web-Enabled Medm Matt Bickley

Controls Group On-Call Support Controls staff provides support 24/7 Home computers are provided by the lab for supporting the accelerator Problems are addressed more quickly by ready access to operations tools Minimizing delays makes support tasks less frustrating for support providers Medm is the principal user interface

Controls Group Problems with off-site support Displaying X-based software locally from off-site is too slow Don’t want to have each user maintain their own copies of the (5000+) screen files

Controls Group Starting up Medm (dial-in) Dial-in (56K) Controls Computer Home Computer Xserver Medm IOC X traffic

Controls Group Starting up Medm (Internet) Cable Modem Controls Computer Home Computer Xserver Medm IOC Externally “Visible” Computer Ssh (tunneling) Lab network X traffic

Controls Group Starting up Web-Medm (dial-in) Dial-in (56K) Home Computer Medm Web Server HTTP IOC Channel Access HTTP

Controls Group How to configure for using it Add to EPICS_DISPLAY_PATH: http///webserver.jlab.org/medm Related displays must be relative Link to medm directory under webserver’s html root directory

Controls Group Conclusions Provides significantly better performance for off-site support Good way to provide operator interface to computer without disk access