Online Databases Status Oracle 8i Servers, release 8.1.7.3 Platform: Compaq Tru64 UNIX V5.1 (Rev. 732) Production DB d0onprd, on d0olc, 64 users, 34Gb.

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Presentation transcript:

Online Databases Status Oracle 8i Servers, release Platform: Compaq Tru64 UNIX V5.1 (Rev. 732) Production DB d0onprd, on d0olc, 64 users, 34Gb allocated, 15Gb used 79Gb disk space available, RAID-1 Development DB d0on, server on d0olb, 105 users, 24Gb allocated, 4Gb used 36Gb disk space available, RAID-1 V.Sirotenko, 11/1/2002

User Applications Platforms: Linux,OSF1 Unix,Windows d0onprd: 1)Detectors calibration and download APIs with online to offline transfer tools ( smt,cft,muon,cal ) 2)EPICS hardware database (HDB) toolkit 3)RUNS database APIs : runGrabber/runPusher 4)Monitoring daemon: dbMonitor d0on: Solenoid Hall probes DB API (solGrabber) FPD pot position/alarms DB API historyDB (hisDB) toolkit : slow EPICS archiver

Major schemas and tablespace usage in d0onprd TABLESPACE USED MB FREE MB TOTAL PERCENT USED CAL_CALIB CFT_CALIB HDB_ MUON_CMSC_CALIB MUON_FMSC_CALIB MUON_MDT_CALIB MUON_PDT_CALIB RUNS SMT_CALIB

Tablespace size dynamics

Tablespace size dynamics (2)

Backup strategy Oracle Backup: /db/backup 142 Gb available - d0onprd - rman ( every day, keep 3 days, 1 set = 21 Gb ) - export (every other day, keep 2 days, 6 Gb each ) - d0on - rman ( every day, keep 3 days, 1 set = 7 Gb ) Backup to tape: DLT8000 tape drive mounted in a automated tape library with a 26 tape capacity in two 13 tape cartridges, almost 2 weeks of unattended backup Tape pool – 200 tapes, 12 week (3 month) rotation - full backup : /db (every Friday, 2 tapes) (d0onprd) /usr (every Monday, 1 tape) (d0on) - incremental: every day - every 3 months week long backup is kept forever

Performance: d0onprd Use Statspack Viewer to monitor performance, every two weeks plots are posted on the web ( Online Computing)

Performance: d0onprd (2)

Performance: d0onprd (3)

DB access software currently supported 1)From Python: Dcoracle and Dcoracle2 2)From C++ : d0om_oracle It’s OK if user is using d0om, but if not? For online people use mostly python, but sometime there is a need to access DB from C/C++ programs Should we consider to provide support to users from generic C++ based on OTL (Oracle Template Library) ? Or OCI library? MisWeb: add graphics capability (?)