[Hall A Winter 2011] working with multiple users on one CODA and SRCDAQ computer: need solution

[vasulk at jlab.org]

Hi Tai,

It was agreed at Saturday's meeting that once the DAQ was merged that runs
would be stopped on the hour, so if someone needed to change something it
could be done at that point in time.  If someone needs more dedicated time
to check something, then they will need to ask all parties involved if
that is to stop their data taking.  The cosmic rates should be low enough
that all relevant triggers can be taken at the same time, though the
BigBite T6 trigger would have to be prescaled to about 10 Hz so as not to
swamp the HRS cosmic rates.

In regards to item 2, IMHO I think we should disable the vncviewer on
srcdaq.  This has caused too many problems with multiple users, and since
folks cannot abide by the rules the punishment is no vnc on srcdaq.  This
means we go back to option 2.1 unless someone has a better option.

Best Regards,
Vince

> Dear all,
>
> I have two topic to ask for the solutions.
>
> 1. Working with multiple users on one CODA
>
> Since the multiple CODAs become one, but we still work on individual
> detectors, I want to get the people who need to control CODAs for their
> components come to the solution:
>
> who, when and how to control CODAs?
>
> This must be set clear. Or else, we will run to the same problem as the
> following problem.
>
> I do not agree to run it on SRCDAQ computer. see reason below.
>
> 2. Working with multiple users on SRCDAQ computer
>
> This has been an issue for so many times. Let make it official and play by
> the rule. Here are my two options.
>
> 2.1 No vncviewer. No attempt to control remotely. You have to be in the
> front of the computer to use it. The person who is in front of the
> computer
> get all priority.
>
> This would means, we have to set the time periods of working since HAND
> and
> BigBite also need to use SRCDAQ to fix any problems. And RESPECT the time
> of
> the others.
>
>  I still agree to work after 4 pm. This is said, I won't try/ attempt to
> use
> the SRCDAQ computer before 4 pm. But the same apply to you. I will have
> all
> the right to use it after 4 pm. If you need more time, start earlier (for
> those with first time slot) or stay late (for those who work later
> period).
>
> OR
>
> 2.2. Continue with the vncviewer . Any attempt to control must start with
> "WALL" the message. Another party in front of the computer must ask why
> the
> other attempt to use it. Then two can come to an agreement.
>
> OR
>
> 2.3 "your solutions"
>
>
> It has been incidents that many attempted to control the computers. I have
> played by compromising rule, option 2.2. Being told to use option 2.2 then
> got yield at for not follow option 2.1, I am really confused, upset and
> tried.
> It can only work one way.
>
> Let make it clear and official.
>
>
> Sincerely,
>
> Tai