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

[Tyler Lemon]

Hi Marco, 

We rebooted the IOC (both soft and hard reboot). 

All indicators are still disconnected after the reboot. 

Is there anything else that would be causing this problem besides an IOC issue? 

Tyler 


From: "Mirazita Marco" <Marco.Mirazita at lnf.infn.it> 
To: "Tyler Lemon" <tlemon at jlab.org> 
Cc: "dsg-rich" <dsg-rich at jlab.org> 
Sent: Tuesday, March 27, 2018 11:35:56 AM 
Subject: Re: [Dsg-rich] RICH FPGA temp and scaler PVs disconnected 

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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