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Fields marked with * are required Entry time: Thu Nov 14 20:26:36 2024 Author*: Type: - please select - Routine Other Category: - please select - General Other Subject: <p>&nbsp;</p> <h1>README.MIDAS</h1> <pre><br type="_moz" /></pre> <p>&nbsp;</p> <pre> Shutting Down MIDAS DAQ</pre> <pre> -----------------------</pre> <pre><br /></pre> <pre> The following procedure describes a 'cold' stop of the DAQ.</pre> <pre> Normally one would only need to perform steps 1 to 2.</pre> <pre><br /></pre> <pre> 1) If possible, stop data acquisition</pre> <pre><br /></pre> <pre>    MIDAS Data Acquisition Experiment Control -> select STOP</pre> <pre>    </pre> <pre> 2) If possible, quit data acquisition</pre> <pre><br /></pre> <pre>    MIDAS Main Menu -> select Quit</pre> <pre>    </pre> <pre>    From the Quit Session Confirmation pop-up window</pre> <pre>    </pre> <pre>    select -> Yes</pre> <pre>    </pre> <pre> 3) If possible, stop TapeServer. The TapeServer is normally run from</pre> <pre>    a terminal session on tuda2.</pre> <pre><br /></pre> <pre>    In the command window where the TapeServer was started enter CTRL-C</pre> <pre>    </pre> <pre>    The TapeServer should respond confirming that its processes have</pre> <pre>    received an INT signal.</pre> <pre><br /></pre> <pre> MIDAS Tape Driver (5615): Received INT signal; exiting.</pre> <pre> MIDAS Tape Driver (5614): Received INT signal; exiting.</pre> <pre> MIDAS Tape Driver (5613): Received INT signal; exiting.</pre> <pre>  </pre> <pre> Starting MIDAS DAQ</pre> <pre> ------------------</pre> <pre><br /></pre> <pre> The following procedure describes a 'cold' start of the DAQ.</pre> <pre> Normally one would only need to perform steps 5 to 9.</pre> <pre><br /></pre> <pre> 1) Login to Sun Blade 100 workstation - tuda2 ISAC-II Experimental Hall</pre> <pre><br /></pre> <pre>    user: tuda</pre> <pre>    password:</pre> <pre><br /></pre> <pre> 2) Switch off the VME crate.</pre> <pre>    Wait 20s.</pre> <pre>    Switch on the VME crate.</pre> <pre>    </pre> <pre>    After a short delay (c. 20-30s) you will observe significant network</pre> <pre>    load on the Allied Telesys 8-port switch on top of the TUDA 19" racks</pre> <pre>    whilst the Lynx operating system is downloaded to the MVME 2431 CPU </pre> <pre>    and the DAQ application is loaded. </pre> <pre>    </pre> <pre> 3) Open (another) command window on tuda2. Enter the commands</pre> <pre><br /></pre> <pre>    cd /MIDAS/TapeServer/SunOS</pre> <pre>    ./master</pre> <pre>    </pre> <pre>    This will start the TapeServer process which should conclude with</pre> <pre>    messages of the type</pre> <pre>    </pre> <pre>    MIDAS Data Link (5821): MIDAS Data Link thread 0 using TCP port 10305.</pre> <pre>    MIDAS Data Link (5821): Entering server loop</pre> <pre>    MIDAS Data Link (5821): thread 0 listening on port 10305</pre> <pre><br /></pre> <pre> 4) Check whether the EPICS access repeater process is running</pre> <pre><br /></pre> <pre>     tuda2> ps -ef | grep caRepeater</pre> <pre>     tuda  2182     1   0 12:35:07 pts/2       0:00 caRepeater</pre> <pre><br /></pre> <pre>    If the EPICS access repeater is not running, you can start it</pre> <pre>    by requesting any EPICS variable, e.g.</pre> <pre><br /></pre> <pre>    tuda2> caget CCS2ISAC:BL2ACURRENT</pre> <pre>    CCS2ISAC:BL2ACURRENT          0</pre> <pre><br /></pre> <pre> 5) Open (another) command window. Enter the command</pre> <pre><br /></pre> <pre>    MIDAS-session</pre> <pre><br /></pre> <pre>    From the pop-up window select -> MIDAS Data Acquisition</pre> <pre><br /></pre> <pre>    If you wish to run a MIDAS session remotely (tuda3 ISAC-II Counting</pre> <pre>    Room 1) establish a Secure Shell (ssh) connection from tuda3 to tuda2</pre> <pre><br /></pre> <pre>    tuda3> ssh tuda2 -l tuda</pre> <pre><br /></pre> <pre>    and enter the command MIDAS-session in this terminal session.</pre> <pre><br /></pre> <pre>    It is *strongly* recommended that you do NOT run the MIDAS DAQ</pre> <pre>    locally *and* remotely.</pre> <pre><br /></pre> <pre> 6) From the MIDAS Main Menu select Experiment Control ... and wait</pre> <pre>    until start sequence is complete</pre> <pre><br /></pre> <pre> 7) From MIDAS Data Acquisition Experiment Control select SETUP.</pre> <pre>    From Confirmation Request for Data Acquisition Setup pop-up window</pre> <pre>    select Setup Everything</pre> <pre>    </pre> <pre>    ... and wait until the sequence is complete with the message</pre> <pre>    </pre> <pre>    MIDAS DA is SETUP and ready to GO at <date time=""></date></pre> <pre><br /></pre> <pre> 8) From the MIDAS Main Menu select Experiment Control select -> Advanced.</pre> <pre>    Select Configuration/Test/Debug Frame. From confirmation pop-up select</pre> <pre>    -> Yes - Please Continue</pre> <pre>    </pre> <pre>    Check the TDC mode is Common Stop, TDC reference is 0, and readout mode is 1.</pre> <pre><br /></pre> <pre>    Check Data Destination:Tape Server is tuda2daq and select 'Setup Connection'</pre> <pre><br /></pre> <pre>    Select Update.</pre> <pre><br /></pre> <pre>    Dismiss the Configuration/Test/Debug Frame.</pre> <pre><br /></pre> <pre> 9) From MIDAS Data Acquisition Experiment Control select Tape Control.</pre> <pre><br /></pre> <pre>    From the Tape Drive Control window select Allocated? button adjacent</pre> <pre>    to /dev/file/0 - No should toggle to Yes.</pre> <pre><br /></pre> <pre>    Select corresponding Load Tape -> Mount (Append Data to old tape)</pre> <pre>    Volume name (S1195) should appear, select Continue.</pre> <pre><br /></pre> <pre>    If you do not wish to write data to disk (/dev/file/0) select No Storage.</pre> <pre><br /></pre> <pre>    Dismiss the Tape Drive Control Window.</pre> <pre><br /></pre> <pre>    From MIDAS Data Acquisition Experiment Control select Redisplay. Tapes</pre> <pre>    in use should change to:</pre> <pre><br /></pre> <pre>    /dev/file/0 (if you are writing to disk)</pre> <pre>    Storage is not enabled (if you have selected No Storage)</pre> <pre><br /></pre> <pre>    Check Histogramming Enabled and TS Transfer Enabled are selected.</pre> <pre>    The TS Transfer Enabled button should be green indicating a good</pre> <pre>    connection to the Tape Server.</pre> <pre><br /></pre> <pre> 9) From the MIDAS Main Menu select Experiment Control select Go</pre> <pre><br /></pre> <pre>    If you have selected No Storage you will be reminded of this and asked</pre> <pre>    whether you wish to continue, or abort data acquisition start.</pre> <pre><br /></pre> <pre> Starting data run   </pre> <pre> -----------------   </pre> <pre>    </pre> <pre> Assumes DAQ is already stopped.   </pre> <pre>    </pre> <pre> 1) Clear VME CPU histograms (if required)   </pre> <pre>    </pre> <pre>    From Spectrum Directory Browser frame select -> Resource -> hist   </pre> <pre>    Select -> Select All   </pre> <pre>    Select -> Actions -> Zero & Deselect   </pre> <pre>    </pre> <pre>    The footer of window should show zeroing of spectra in progress.   </pre> <pre>    </pre> <pre> 2) Clear online sort spectra (if required)   </pre> <pre>    </pre> <pre>    From Spectrum Directory Browser frame select -> Resource -> SortSas   </pre> <pre>    Select -> Select All   </pre> <pre>    Select -> Actions -> Zero & Deselect   </pre> <pre>    </pre> <pre>    The footer of window should show zeroing of spectra in progress.   </pre> <pre>    </pre> <pre> 3) Start DAQ   </pre> <pre>    </pre> <pre>    From MIDAS Data Acquisition Experiment Control select -> GO   </pre> <pre>    </pre> <pre>    If the DAQ has started OK you should see the 'Good Events' scaler   </pre> <pre>    increment and 'Good Events /s' should be non-zero.   </pre> <pre>    </pre> <pre> 4) Complete Elog entry  </pre> <pre>   </pre> <pre>    The Session Log window will show the start time & date  </pre> <pre>    </pre> <pre> 5) Check run data file</pre> <pre><br /></pre> <pre>    Open a command window and enter command(s)</pre> <pre><br /></pre> <pre>    ls -l /net/tuda2/data2/data/S1195; sleep 60; ls -l /net/tuda2/data2/data/S1195</pre> <pre><br /></pre> <pre>    and check current run data file is increasing in size.</pre> <pre>     </pre> <pre> Stopping data run  </pre> <pre> -----------------  </pre> <pre>   </pre> <pre> Assumes DAQ is going.  </pre> <pre>   </pre> <pre> 1) Stop DAQ  </pre> <pre>      </pre> <pre>    From MIDAS Data Acquisition Experiment Control window select -> STOP  </pre> <pre>   </pre> <pre> 2) Save VME CPU histograms  </pre> <pre>   </pre> <pre>    From Spectrum Directory Browser select -> Actions -> Save  </pre> <pre>    The Spectrum Copy & Online Histogram Save window should appear.  </pre> <pre>    Select -> Source Resource -> hist  </pre> <pre>    Select -> Select All  </pre> <pre>    Check destination Directory (e.g. /home/tuda/S1195/spectra)  </pre> <pre>    Enter (sub-)Directory (e.g. run100)  </pre> <pre>    Select -> Execute  </pre> <pre>   </pre> <pre> 3) Save online sort spectra  </pre> <pre>   </pre> <pre>    From Spectrum Directory Browser select -> Actions -> Save  </pre> <pre>    The Spectrum Copy & Online Histogram Save window should appear.  </pre> <pre>    Select -> Source Resource -> SortSas  </pre> <pre>    Select -> Select All  </pre> <pre>    Check destination Directory (e.g. /home/tuda/S1195/spectra)  </pre> <pre>    Enter (sub-)Directory (e.g. run100)  </pre> <pre>    Select -> Execute  </pre> <pre>   </pre> <pre> 4) Complete Elog entry  </pre> <pre>   </pre> <pre>    The Session Log window will show the stop time & date and # blocks written to disk </pre> <pre><br /></pre> <pre> T.Davinson - May 2009</pre> <pre> Revised - April 2011</pre> <pre>     </pre> <pre><br /></pre> <p>&nbsp;</p> Encoding: HTML   ELCode   plain   Suppress Email notification Attachment 1:

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