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• data backup is triggered via crontab
  • $ crontab -l → lists all active crontabs
  • $ crontab -e → allows to change the crontabs
  • our crontab entry is
    • 5 * * * * /home/luxelab/LUXE320/dataBackup.sh
    • 5 * * * *  → run every 5 minutes
    • /home/luxelab/LUXE320/dataBackup.sh → shell script that does get executed
• the backup script is dataBackup.sh contains

  • rsync -av --log-file=/home/luxelab/LUXE320/rsync.log /home/luxelab/LUXE320/data/ /media/luxelab/data1/backup_LUXE320/

  • -a → archive (fundamental backup option)
  • -v → verbose
  • --log-file → the verbose output is sent to rsync.log
  • source:  /home/luxelab/LUXE320/data/
  • destination: /media/luxelab/data1/backup_LUXE320/

Machine/Beam Trigger

1. open facethome (from the control network)
2. navigate to the Experiment - LI20 section
3. select the Triggers... menu in the FKG20-24 section
4. our trigger is channel 2 in the front panel section, called trigger FP2
5. we use the following settings
   
   1. beam trigger (coming from trigger RP2)
   2. normal polarity
   3. 1000 ns width
   4. 10 ns delay

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