CMS Grid Integration
Claudio Grandi
(INFN – Bologna)
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
CMS/EDG Stress Test
Running from November 30th to Xmas
Sites:
Official EDG Appl. testbed + RC + 4 dedicated RB’s
CMS sites: Legnaro, Poly, IC, CNAF Tier-1
About 350 CPU (RH 6.2) but not dedicated!
Middleware:
EDG release 1.4.0 and 1.4.1 (and added patches!)
CMS task:
FZ files production with IMPALA/BOSS:
2 steps: uses RC for input data location of CMSIM. No
Objy (licenses)!
Deliverables are “big” FZ files
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
2
CMS/EDG Stress Test
~7 sec/event average
~2.5 sec/event peak (12-14 dec)
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
3
USCMS IGT Production
Running from October 25th to Xmas
Sites:
Caltech, FNAL, UCSD, Uflorida
About 230 CPU (RH 6.1) (+80 CPU at 2.4 GHz, RH
7.X)
Middleware: VDT 1.1.3
Globus, DAGMAN, Condor-G, EDG VO
management scripts, Ganglia, MDS, Mona Lisa
CMS task:
Ntuple only productions with MOP:
All steps in one job. No Objy data distributio
Deliverables are “small” ntuples
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
4
USCMS IGT Production
4.7 sec/event average
2.5 sec/event peak (14-20 dec 2002)
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
5
Interoperability
DataTAG/iVDGL activities for the demos:
Interoperability between grid domains for
applications submitted by users from different VOs
EDG and VDT middleware coexist on resources
sites in Europe and US (InterGRID)
UI with Genius front-end submitting jobs using
IMPALA/BOSS
VDT client submitting jobs using MOP
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
6
InterGRID sites
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
7
Next steps
Waiting for an EDG release compatible with
DAGMan
BOSS being modified to support DAG submission
New modular CMS job-preparation tool:
MCRunJob
Born from MOP experience
EDG plug-in (from CMS/EDG work) almost ready
BOSS with R-GMA for fault-tolerance on WAN
Evaluation of Chimera for Virtual Data
Claudio Grandi INFN Bologna
DataTAG WP4 meeting, Bologna
14 jan 2003
8