Data Files from NDOS » History » Version 3
Data Files from NDOS¶
This wiki entry describes how to collect data from NDOS and store it as a data file that can be used with our DDT framework.
First, you need to make sure that data is being collected. Check the MicroSlice rate of the DCMs on Ganglia , it should be 20 kHz.
Once that is verified you can log into one of the NDOS buffer nodes:
NDOS has 16 buffer nodes (01 - 16). Note that the
novaddt user does not have permissions on the buffer nodes.
Now you just need to set up the environment and run the job:
setup_novaddt ddt-filter -c ddt-writeFile.fcl
This will run on the data stream and dump the data into a file called