> So I started our DAQ with an updated midas, after ca. 6 months+.

Would be worthwhile mentioning the git commit hash or tag you are using.

> No issues except all FEs complaining about the Alarm ODB structure.
> * I adapted to the new structure ( trigger count & trigger count required )
> * restarted fe's
> * recompiled  
> 
> 18:17:40.015 2025/09/30 [EPICS Frontend,INFO] Fixing ODB "/Alarms/Alarms/logger" 
> struct size mismatch (expected 452, odb size 460)
> 
> 18:17:40.009 2025/09/30 [SC Frontend,INFO] Fixing ODB "/Alarms/Alarms/logger" 
> struct size mismatch (expected 460, odb size 452)

This seems to be https://daq00.triumf.ca/elog-midas/Midas/2980

> how do I get the FEs + ODB back in line here?

Recompile all frontends against new midas.

Nick.