Experience with Read out DCS and databases 2006100

Information about Experience with Read out DCS and databases 2006100

Published on January 11, 2008

Author: Semprone

Source: authorstream.com

Content

Tile Calorimeter: Experience with read-out, DCS and online databases:  Tile Calorimeter: Experience with read-out, DCS and online databases Carlos Solans IFIC - Universitat de Valencia On behalf of the TileCal community ATLAS Overview Week - 3rd october 2006 Outline:  Outline DAQ Databases for DAQ DVS tests ROS integration DCS Databases for DCS DCS remote access Combined run with MDT and RPC Combined run with LAr Conclusions ROD TTC DCS MON ROS CASTOR PVSS Configuration Database COOL OKS Configuration Database Oracle archive DB read FE Configuration Busy DB write COOL COOL Athena Schematic view of Read-out DCS and databases for the Tile Calorimeter Dataflow Offline flow DCS DAQ OFFLINE DAQ:  DAQ Objective Have a personalized DAQ software for the Tile Calorimeter. Always use the latest TDAQ version available in Point1. Status IGUI: We read/publish our own information to the IS (Information Services) for run configuration. ED (Event Dump): We display Tile data in user defined panel. ROD monitoring: We produce test histograms for the moment. Gnam: We produce histograms at ROS level. Event Filter: We produce histograms at EB level running HLT. RCD controllers for ROD, TBM, TTCvi, … to interact with the hardware. Experience Reading 50% of the long barrel. Taking physics and calibration runs everyday Using ROD and ROS systems Transfering data to castor ED user defined panel Number events vs ROD input channel Gnam monitoring histogram Event Filter ATLANTIS event display IGUI user defined panel IGUI main window Databases for DAQ:  Databases for DAQ Configuration Database (OKS) via RDB Objective Describe the hardware and software used for the DAQ of the Tile Calorimeter. Status Only half of the detector described Size: 2.5 MB Number of objects: ~1200 Number of segments: 33 Experience We are using OKS2COOL to store to COOL a copy of the Database used for the run. Everyday we produce at least 1 version due to the flexibility of the Database. Commissioning Databases Objective Provide overview and storage of the commissioning status. Status Run Information: MySQL Database storing own run information. Elog: Electronic logbook storing activities in Point1. WIS: Web interface for shifters TileComm Alalysis: Commissioning results storage. Experience We have a everyday picture of the commissioning Run Information Database ELOG Web interface for shifters ROD TTC MON ROS OKS Configuration Database Schematic view of the uses of the Configuration Database Tile Comm. Alalysis Databases for DAQ II:  Databases for DAQ II Optimal Filtering Constants for ROD Objective ROD loads on prepareForRun transition the optimal filtering constants to be used in physics runs. The constants are stored in a file. The location of the file is defined in the OKS Configuration Database. The file is written from the values extracted from COOL. Values in COOL are be updated after a calibration run and offline computation of the optimal filtering constants. Granularity of the data should be: One set of optimal filtering constants per Super Drawer. Status We can store the values into COOL and read them from Point1. The experience is complicated. Need to use both offline and online Databases software. ROD MON ROS CASTOR COOL OKS Configuration Database Athena Schematic view of the ROD Optimal Filtering Constants path Data volume for whole Tile (Optimal Filtering no iterations) 6.4 kB/Super Drawer * 256 Super Drawers = 1.6 MB DVS tests:  DVS tests Objectives Trace problematic super drawer modules without running the whole TDAQ software. Check stability of Super Drawers and LVPS Requirements The tests are described in the OKS configuration Database. Results should provide quick problem spotting via Filename tag Colors Experience DVS has proven to be a stable way of running tests on multiple computers TTC crate ROD crate The use of ROOT for the analysis of the results is slow. Other optimal analysis under investigation. Number of objects in the database will be big. 4 types * 8 sectors * 4 partitions = 64 objects for ROD tests. 4 types * 64 modules * 4 partitions = 512 objects for integrator tests. CIS sample Noise DVS GUI ROS integration:  ROS integration Objectives Use ROS system for commissioning Slowly test high rate acquisition. Status Data taking at 1kHz Keep ROS upgraded to latest firmware Always using latest TDAQ release. Experience Straight foward integration 64 ROLs needed for whole Tile Calorimeter ( 64 ROLs * 4 Super Drawers / ROL = 256 Super Drawers) 16 ROLs being used ( 64 Super Drawers ) only found one dirty ROL, which was fixed by cleaning. High rate tests: 30kHz reached. PU ROBin PU ROD ROS Super Drawers ROL Schematic view of the ROS integration for TileCal 4 Super Drawers = 1 ROL ROL data bandwidth at 1kHz Physics: ~180 kB/s Calibration: ~300 kB/s DCS:  DCS Currently the PVSS project running in the computers in USA15 control LVPS Cooling of Super Drawers. The PVSS project was re-started from scratch around march. New features: View of the whole side of the barrel. Yellow colouring of the LVPS when powered but not correctly trimmed. A software still under development Next steps: control the HVPS from the same project. Comunication with DAQ. DCS LVPS PVSS project Databases for DCS:  Databases for DCS Configuration Database Objectives Store configuration constants for the LVPS in the Database. Access the Database from the Lab in building 512 and from USA15. Status Already working for the long barrel (sides A and C) We can store and retrieve calibration constants for the LVPS from the Oracle Database using JCOP Framework. Experience 8 calibration constants / LVPS * 64 LVPS installed = 512 calibration constants already in the Configuration Database. Next step Storing and retrieving configuration constants (DAC values) for the LVPS. Also 8 DAC values/LVPS. PVSS Configuration Database LAB Build 512 USA15 Configuration Database for PVSS Data volume for whole Tile 16 constants / LVPS * 256 LVPS = 4096 constants Databases for DCS II:  Databases for DCS II Conditions Database Objectives Replace home made tool for ROOT analysis used to check the stability of the LVPS everyday. Store DCS data into Oracle archive. Copy part of the Oracle archive data into COOL for offline analysis. Status We have Oracle archive working for long barrel side A. We are already producing 12M entries a day. Experience Performance problems using external Database access for PVSS ( too much CPU load). Next steps Move data from Oracle archive to COOL. This information has been decided but not tried yet. Online Offline DCS TEXT FILES Home made Conditions tool for DCS LOCAL SQL SERVER DCS remote access:  DCS remote access Objective Control and monitor the DCS PVSS project from the distance. Similar as the TDAQ software components ( igui_start, is_monitor, …) Start using the satellite control room. Experience From Linux: Remote desktop access to cerntsatldcs01 allows to visualize the PVSS project and interact with it. Next step From Windows: Create a user interface panel that would connect to an existing PVSS project already running in another machine. Remote desktop access to a PVSS project Combined run with MDT and RPC:  Combined run with MDT and RPC Readout Tile LBC13-20 and LBA45-52. Using ROD and ROS systems for Tile Trigger RPC trigger from Sector 13 Rate ~ 10Hz Trigger/busy signal distributed from CTP No BCID synchronization due to different handling of the BCID reset for each system. Tile: BCID reset every orbit Muon: Free BCID Experience We were able to see in the Tile, muons that were triggered by the RPC (low energy muons) We need a mechanism to synchronize with the muons. Saw muons using GNAM monitoring at ROS level. Very little time to run. Offline Event Display for run with muons Combined run with LAr:  Combined run with LAr Readout Tile LBC13-20 and LBA 45-52 Using ROD/ROS for both Tile and LAr Trigger: Using Tile trigger towers 4-Top: LBC 15,16,17,18 4-Bottom: LBA 47,48,49,50 We lost HV in LBC18, LBC16 tripped HV, and now we lost LBC17 2 muons / minute ~ 100% purity Using special coincidence boards Synchronization via master-slave LTP chain Experience Configuration databases integration issue: After changing something in segments&resources panel we had to commit the changes several times. Sometimes it timed out, probably the RDB servers takes more time than what is specified in the timeout parameters. Online histogramming and event display tested successfully. Constant difference in BCID (26 BC) for events comming into EB from Tile and Lar segments. Indicates that all subdetectors should have the same policy for the BCID resets, i.e. at the same time after the orbit clock. Data could be reconstructed offline successfully. Event display for combined run with LAr Energy deposition in TileCal Tower (MeV) GNAM monitoring at ROS level Conclusions:  Conclusions DAQ status for the Tile Calorimeter is close to ATLAS operation. ROD and ROS systems being used daily. DCS is evolving in the good direction, more development has to be done. Starting to use online Databases. Combined runs, specially with LAr, have been very encouraging for the future. Looking foward to new combined runs as soon as possible. General policy for BCID reset handling should be defined. Backup slides:  Backup slides Read-out status:  Read-out status Reading 50% of the long barrel Using ROD and ROS systems Using TDAQ software for Read-out Always the latest version available in Point1 Predefined set of tests Predefined list of runs Data transfer to castor Running at 1kHz Using PVSS project for LVPS control DAQ OKS Database:  DAQ OKS Database The TileSegment structure is still runtime dependent. Many changes can be done to the segments to have diferent hardware running. We should think how to remove the runtime dependencies which should not be copied to oracle from the constant structure. September 2006 WIS and TileCommAnalysis:  WIS and TileCommAnalysis LTP chain::  LTP chain: Tile Barrel A LTP master, drives 4 salves. Long cable between Ext Barrel and LAr. L1As on channel 0, as will be from CTP. Orbit drives BCR, difference without adjustment: 26 BC. When trying to adjust inhibits/delays, get difference to 0, but sometimes miss a full orbit. Next steps understand TTCvi settings, then move to CTP. Combined runs milestones:  Combined runs milestones August 24: first combined cosmic ray muon run LAr + TileCal Following tests of combined DAQ runs with pedestals LAr: HV system @ 2 kV for many hours (overnight) LVPS operation Final services TileCal: LVPS electronics noise level back to nominal After addition of ferrite coils Muon signal clearly visible Final services First use of L1 Calo trigger patch panels Trigger via master-slave LTP chain (also used CTP for TileCal + MDT + RPC) Readout via final ROD/ROS Combined DAQ partitions, TDAQ-01-06-00 Following previous tests of combined pedestal runs See talk in TMB by H.Wilkens & O.Solovianov Trigger via TileCal Chicago coincidence trigger boards Typical rate 2 muons / minute, purity ~ 100%, 10 K evts Central operation from control room Online monitoring Real-time event display in control room Real-time display of Landau peak from muon energy loss in TileCal Thanks to efforts & collaboration of many LAr + TileCal colleagues Energy (MeV) online First Combined TileCal + LAr cosmic run: 24-Aug-06:  First Combined TileCal + LAr cosmic run: 24-Aug-06 TileCal Trigger: (single-tower) 1-Top: LBC 15, 17, 16 (no HV), 18 (BCID probl.) readout LBC13-20 4-Bottom: LBA 47,48,49,50 readout LBA 45-52 Ramp LAr HV, start trigger, time in LAr pulse, try combined run, test monitoring, reconstruct offline, … 1 2 3 4 A B 4 SD 4 SD LAr crate with LVPS bottom LBA Tile LBA LAr A-side 6/8 modules triggered 16 read out Data volume rates at 1kHz:  Data volume rates at 1kHz Physics ROD input from Super Drawers 0xB6 words * ¼ B/word * 1kHz = 45 kB/s ROD ouput to ROS Read-Out Link (ROL) 4 SD/ROL * 45 kB/s = 180 KB/s Calibration ROD input from Super Drawers 0x116 words * ¼ B/word * 1kHz = 69 kB/s ROD ouput to ROS Read-Out Link (ROL) 4 SD/ROL * 69 kB/SD = 276 KB/s Optimal Filtering Constants :  Optimal Filtering Constants No iterations 32 phases * 34 words/phase*channel * 48 channels/module = 51kbits/module = 6.4 kB/module 6.4 kB/module * 256 modules = 1.6 MB

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