[Dsg-rich] RICH FPGA temp and scaler PVs disconnected

Marco Mirazita Marco.Mirazita at lnf.infn.it
Tue Mar 27 11:35:56 EDT 2018


Hi Tyler,
thank you for noticing.
Yes, the ioc can be rebooted without stopping the data taking.
I wonder if the shift takers did get an alarm from epics for that.
Marco


Il 2018-03-27 15:02 Tyler Lemon ha scritto:
> Hello,
> 
> This morning, we noticed that all indicators on the the FPGA
> temperature map and scalers map are noted as disconnected. Looking in
> the archiver, it seems that all values have been frozen since 3/25.
> 
> Attached is a screen shot of the scalers map, temperature map, and an
> archiver plot showing that the pvs have been frozen since 3/25.
> 
> This seems to be something that most likely will be fixed with an IOC
> reboot. Is this something that can be done without stopping any data
> acqusition?
> 
> Best regards,
> 
> Tyler
> 
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