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Oracle a t BESSY

Oracle a t BESSY. Ralph Lange EPICS Seminar IHEP Beijing 2002. Outline. System Data Content Current Status Experiences Future Concept Archiving Tools Hints. Some System Figures. Oracle 8.05 on HP-UX 10.20  in preparation: Oracle 8i on HP-UX 11 ~ 250 tables (not optimized)

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Oracle a t BESSY

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  1. Oracle at BESSY Ralph LangeEPICS Seminar IHEP Beijing 2002

  2. Outline • System • Data Content • Current Status • Experiences • Future Concept • Archiving • Tools • Hints

  3. Some System Figures • Oracle 8.05 on HP-UX 10.20 in preparation: Oracle 8i on HP-UX 11 • ~ 250 tables (not optimized) • Data store takes ~ 3 Mbyte • Complete installation is ~ 3.5 Gbyte(including sources, web server etc.)

  4. Data Contents • Machine Parameters • Geodesic data of all devices • Measured magnet conversion factors • Electronic runbook • Physical and electrical data of • Power supplies • Insertion devices • Magnets • EPICS configuration data • Administration data (names, phones, rooms)

  5. Current Status – Import

  6. Current Status – Export

  7. Experiences and New Approach • Script Wars • The Chaos Strikes Back • The Return of the API Design • RDB should be only source of information • Generic structure to hold all EPICS configuration data • Granularity in Oracle down to EPICS database fields – no more templates • Structure contains hierarchy trees

  8. Properties and Migration Status • Complicated structure (~ 25 tables) that is only accessible through tools • Once the toolset is in use, additional applications´ configurations are easy to add Once it works, we won´t need it anymore? • Structure definition is stable • Generic tools are being created

  9. Archiving • Current work: using Oracle as a backend for the Channel Archiver (instead of the proprietary binary file format) BESSY (Thomas Birke) SLAC (Lee-Ann Yasukawa, Bob Hall) • Will need Oracle 8i or later

  10. Tools in Use at BESSY • Oracle development:Embacadero (ER/Studio) @ WindowsTORA (Freeware) @ Win, LinuxOracle Tools • Web interface:PHP  Oracle Library • Parsers (creating config and EPICS db):Perl (and C?)  DBI module (Oracle Libs)

  11. Hints Oracle Services (web based support database) • Metalink (available with Oracle license): bugs, patches, … Technet (free): documentation, test software

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