1. LIGO- GXXXXXX-XX-X Advanced LIGO Data & Computing Material for the breakout session NSF review of the Advanced LIGO proposal Albert Lazzarini Caltech, 11 - 13 June 2003

2. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 2 Outline Data and Computing Subsystem (DAC) »Definition, functions »Conceptual Design »Heritage from LIGO I »Technical Challenges, Opportunities »Schedule & Plans »Cost estimates »Team

3. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 3 DAC Definition & functions Data and Computing subsystem »Distributed multi-laboratory site infrastructure to manage data, perform dedicated pipeline-based analysis of data –Caltech - main archive, computing capacity -- “Tier 1 Center” –MIT - Tier 2 center capacity –Hanford, Livingston Observatories - Dedicated resources during science operations, available as effective additional Tier 2 centers between runs Functionality - Observatory sites »Data storage and archival system »Computing capacity for executing near-real time astrophysics searches

4. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 4 DAC Definition & functions Functionality - Caltech »Main permanent archive and data storage facility for LIGO Laboratory, collaboration »Computing capacity for executing off-line astrophysics searches »Distributes data to collaboration Tier 2 sites (UW Milwaukee, Penn State) »First stage of data reduction from full raw volume generated at observatories »Center of infrastructure SW development MIT »Laboratory-managed Tier 2 center for MIT Laboratory staff, collaboration »Reduced data set for most recent runs avaialble »Computing capacity for executing off-line astrophysics searches

5. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 5 Conceptual Design

6. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 6 Heritage from LIGO I

7. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 7 Technical Challenges, Opportunities

8. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 8 Schedule & Plans

9. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 9 Schedule & Plans

10. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 10 Cost estimates CPUs -- $5,633k »Compute clusters -- $4,506k »Servers -- $1,127k Mass Storage -- $662k »Tape archive -- $504k »Disk caches -- $158k Networking -- $414k »Fibre channel -- $154k »Fast (10Gbps+) ethernet -- $260k Taxes, shipping, misc. -- $861k

11. LIGO- GXXXXXX-XX-X LSC Meeting 2000.03.16-18LIGO Laboratory at Caltech 11 Team Senior LIGO Laboratory staff & professional programmers will work on Advanced LIGO while providing operations support for existing systems. Hire additional programmers where needed Estimated manpower dedicated to Adv. LIGO development »Scientists: 2.33 FTEs –Anderson, Blackburn, Lazzarini, –Postdoctoral scholar »SW engineering: 2.5 FTEs -- Existing: 1.5 FTEs; New for Adv. LIGO 1 FTE –LIGO staff -- Maros –Professional contractors »Systems engineers: 2.2 FTEs -- Existing: 1.2 FTEs; New for Adv. LIGO 1 FTE –Professional contractors