Difference between revisions of "Controlling HV on Left HRS"

Revision as of 17:56, 25 June 2021

Login to adaqsc as aslow and start the HV GUI

          ssh -X adaqsc -l aslow

password same as "adaq" (similar to "adev" but replace 12gev by 12daq)

Then "cd slowc" and
pwd
/adaqfs/home/aslow/slowc

[aslow@adaqsc slowc]$ ./hvs LEFT

You might need to turn on the crate if it's not already on.

For reasons not entirely clear, sometimes the server does not work. One symptom is that the "hvs" GUI will not initialize. Another symptom is that the GUI may be already running but you cannot change any HV values. This server runs on rpi8. The awkward but certain way to recover the server:

login to rpi8

       ssh -X rpi8 -l pi 

I can't say the pw here, but its the same as on other rpi's.
(call Bob M. if you need this pw)

       sudo reboot

At this point you can wait a few minutes for the server to restart
itself (it starts with a cron job), or if you're impatient login again
and execute this script:

      ./scripts/start_hv_cron

It will print a lot of stuff, and you should leave the window alone.
But again, if you decide to wait for the server to start on its own
you don't need to login and start that script.  Just wait.

Finally, on adaq1 as aslow, do the start procedure mentioned above.

      cd slowc
      ./hvs LEFT

back to main page: https://hallaweb.jlab.org/wiki/index.php/L-HRS_for_SBS