[Dsg-rich] questions on frozen RICH scalers map

Andrey kenjo at jlab.org
Wed Feb 21 08:28:46 EST 2018


Good catch, Tyler.
Luckily, monitoring shows that we do collect data. The problem is 
probably with iocjscalersRICH. I'll check with Nathan if we can restart 
ioc during data taking.

Thanks,
Andrey.



On 02/21/2018 08:17 AM, Tyler Lemon wrote:
> Hello,
>
> We've noticed that the RICH scaler map EPICS screen seems to be 
> frozen. Looking back at data in MYA archiver, it seems that the values 
> for all RICH PMT scalers average have not changed since ~7:00pm on 
> February 20, 2018. Also, on the RICH SSP tables, all PVs for SSP 
> boards are showing as disconnected.
>
> Are there any alarms or indicator that the SSP boards are disconnected 
> or scalers are not updating in EPICS? If there are not alarms for the 
> SSP boards and PMT scalers, should there be?
>
> Please let us know.
>
> Best regards,
> Tyler
>
>
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