[Hps-controls] HPS controls meeting on Tuesday, April 21, 2015

[Wesley Moore]

Looking into the harp scanning.. can I run the harp_2H02A scan to see if I can sort out file issues?

Wesley

----- Original Message -----
> From: "Stepan Stepanyan" <stepanya at jlab.org>
> To: hps-controls at jlab.org
> Sent: Tuesday, April 21, 2015 10:26:51 AM
> Subject: Re: [Hps-controls] HPS controls meeting on Tuesday, April 21, 2015

> Hovanes,
> 
> I spent all night in the counting room and not sure will make to your
> meeting,
> but I have two very serious issues that want to be discussed, urgently.
> This is
> 2H02A harp and harp fitter.
> 2H02 fails to write the file quite often. We thought it is related to
> IOC and were
> trying to restore writing of the file with IOC reboots. But last night
> after several
> runs and reboots, I realized that it is almost random. Reboot or not, it
> may write
> the file after several scans. Considering that scan takes 10 minutes,
> this is a lot
> of beam time lost.
> The second issue is with fitting of the scan results. The fitters fails
> very often,
> especially when background on the halo counters is high.
> 
> Considering that we will be on-and-off very often and will set the beam
> every
> night running many-many harp sscans (including 2H02), and will have high
> backgrounds in our halo counters, these both issues are very serious.
> They need
> to resolved.
> 
> Thanks,. Stepan
> 
> On 4/21/15 9:10 AM, Hovanes Egiyan wrote:
>> Hi all,
>>
>> let's have a HPS slow controls meeting of 2015 on Tuesday, April 21
>> (today) at
>> 2pm US eastern time. Wesley will chair it.
>>
>> You can find the preliminary meeting agenda at:
>>
>> https://confluence.slac.stanford.edu/display/hpsg/2015.04.21+Biweekly
>>
>> Please, feel free to add more items to the agenda. JLab locals can meet
>> in B101.
>> We will use BlueJeans for teleconferencing. Instructions for joining the
>> BlueJeans meeting
>> can be found at:
>> https://confluence.slac.stanford.edu/display/hpsg/Instructions+for+joining+controls+meeting
>>
>>
>>         Hovanes.
>>
>> _______________________________________________
>> Hps-controls mailing list
>> Hps-controls at jlab.org
>> https://mailman.jlab.org/mailman/listinfo/hps-controls
> 
> _______________________________________________
> Hps-controls mailing list
> Hps-controls at jlab.org
> https://mailman.jlab.org/mailman/listinfo/hps-controls