Download - JWST Data Management Systems
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JWST Data Management Systems
Gretchen Greene
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JWST Mission Hierarchy for DMS
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DMS Estimated Archived Data Volumes – Baseline
Data Per Yr (TB)
5.5 yr Mission (TB)
10 yr Mission (TB)
Recorded engineering
0.3 1.6 3.0
Level-0 20.9 115.0 209.0
Level-1a 20.9 115.0 209.0
Level-1b 20.9 115.0 209.0
Level-2a (compressed 2:1)
1.0 5.6 10.2
Level-2b (compressed 2:1)
1.0 5.6 10.2
Level-3 (compressed 2:1)
1.0 5.6 10.2
WSS Archive package (compressed 2:1)
0.05 0.25 0.5
Total 66.1 363.7 661.1
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JWST DMS Interface Context
Project Level Agreements will be defined ~L-24mo
Dec 6-7. 2012
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JWST vs. HST DMS…Many Similarities, systems reuse (DADS, MAST), and
lessons learned, however there are…• Key Basic Differences:
– Order of magnitude increase in computational and I/O DMS throughputs
– Flight Operations System interfaces to DMS will support direct transfer at STScI of DSN telemetry data and require priority data processing for Wavefront Sensing and Control
• Functional Decisions:– As a result of Trade Studies, BOTH HST and JWST will be moving
toward scalable distributed architecture• Data Processing Workflow Management system (OWL-CONDOR)• Dynamic Reprocessing of Data Products with CRDS• Online Data Product File CACHE
– Higher Level data product generation assumed fundamental– Service based architecture to support multi-mission DMS
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MAST + JWST
• STScI Archive Access systems include the intersection between the JWST mission operations & MAST– Distribution Services– Archive User Interface (MAST Portal)– User Authentication– Archive Catalog (CAOM)– Online Data Product Cache
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Multi mission Functional Architecture Overview – SDR1
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JWST SOC DMSRequirements and Design Phases
• Completed formal Systems Level 4 Requirements– ~ 650 requirements for I&T verification
• Beginning DMS I&T for internal Build 1• Currently in year 2+ of design and development
– Systems Design Review 2 – Dec 6-7, ’12
• Designing for Launch Readiness Data (LRD) 2018 with 95% level of current STScI DMS capability
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S&OC Science Systems Engineering, Flight Operations, and Systems Development Timeline for a JWST 2018 LRD
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DMS Build PlanBuild Name
Build Description
Components enabled Supported Systems
TargetedDelivery
Status
0 Internal Build Workflow Manager, Minimal Ramp Processing Pipeline, SID
DMS Design & Development
Dec-11 Completed
1 DMS Level 1 Internal I&T
DMS Workflow, Baseline Level-2a Pipeline, Baseline Level-2b Imaging Pipeline, CRDS, SID, Baseline SDP-1a
DMS, ISIM CV1RR
Sept-12 In Test
2 DMS I&T
ISIM Cryo 2 (OSIM)
DMS SDP WFS&C, Baseline WSS Pipeline, Baseline Level-2b Spectrographic Pipeline, SID , Baseline SDP-1b
DMS, ISIM Cryo 2
Sept-13 In Dev
3 DMS I&T
ISIM Cryo 3 (OSIM)
DMS - All SIs SDP, Baseline Operations Archive, Baseline Level-3 Imaging Pipeline, SID
DMS, ISIM Cryo 3 (?)
Sept-14
4DMS I&T SOC
Integration
DMS, CAL, SDP, EDP, CRDS, SID. Partial Baselines for Archive Access, Level 2 Spectrographic
SOC with DMS internal
Sept-15
5 DMS I&TJSC/OTIS
DMS, CAL, SDP, EDP, CRDS, Baseline Archive Access, Baseline Level-3 Spectrographic Pipeline, SID
SOC1,DMS, JSC/OTIS Testing
June-16
6 DMS CST2&3
+ Flight Release Fully Functional DMS SOC2,DMS
Flight Release Feb-17 (test cycle
+L-12)
6.1DMS Pre-Flight
UpdatesFully Functional DMS Updates SOC Pre-Flight
UpdatesJan-18