1. CMS Software Installation on OSG An OSG USE Case and USCMS Software Management on OSG
CMS OSG
Motivation and Introduction
Overview
CMS Software Installation Tool
OSG Auth+Monitoring
Implementation
Status of CMS Installation on OSG
Summary and Prospects
Presented by Bockjoo Kim
for USCMS DCT
Demo at OSG Consortium Meeting

2. Motivation and Introduction
The Grid can provide computing resources and storages with great flexibility
The same software can be installed without publication and notification
This type of activity could be organized and managed in a consistent manner, one could efficiently use the grid resources.
This presentation demonstrates how CMS software that is used by the CMS collaboration for physics analyses can be installed, maintained, and published on OSG in a managed way
Demo at OSG Consortium Meeting

3. An Overview of CMS Software Deployment on OSG
CSD-GUI : Persistent Grid
GridCat Client
MySQL DB
CMS Grid Users
GridCat
Deploy Scripts
Local Scripts
Submit Condor-G
Grid Middle Ware
Local Scripts
$app
CMSI Tool
Discovery Service
RPMs
A Remote Site
CSD-GUI
OSG IS
CMSI Tool
RPMs
CMS IS
CMS CMSI Repository
Demo at OSG Consortium Meeting

4. CMS Software Installation Tool
is used to install CMS
xcmsi is a tool to install CMS software written in PERL
Arbitrary installation directory $CMS_PATH to relocate RPM packages
No root privileges required
Typically 1 GCC compiler, 1 SCRAM (Soft. Management Tool), ~40 CMS RPMs, ~30 LCG RPMs. ~4 GB space
Essential ingredients to the installation are the RPMs
Demo at OSG Consortium Meeting

5. A Schematic of OSG Authorization and Resources
Demo at OSG Consortium Meeting

6. Implementation of CSD-GUI (CMS Software Deployment Grid User Interface for USCMS)
HTTPS
MySQL
voms proxy
globus client
CGI
OSG Client/Condor-G
GUI script(python)
GridCat Client
condor_submit/condor_q
undo upload.
csd upload
condor_q/rm
undo install.
csd install.
undo verify
csd verify
create info file
Installation
Table
check arch
Execution Scripts
Site Info.
Demo at OSG Consortium Meeting

7. Demo at OSG Consortium Meeting
CSD-GUI Features
Managed Software Installation
Persistent Installation Task
Installation Control Using X509 Proxy
Installation Bookkeeping Using MySQL
Publish Installation Info in Text
Switch Between OSG-ITB and OSG
Undo only in MySQL Operation
Non-DAG/Single Job Submission for Success
Easy to Add New Scripts
Demo at OSG Consortium Meeting

8. Demo at OSG Consortium Meeting
CSD-GUI
Demo at OSG Consortium Meeting

9. Status of CMS Installation on OSG
# Sites
OSG/OSG-ITB 5
Since June 16, 2005 4 3 2 1
CMKIN_4_0_0
CMKIN_5_0_0
CMKIN_5_1_0
OSCAR_3_7_0
OSCAR_3_9_4
OSCAR_3_9_5
ORCA_8_6_0
ORCA_8_7_3
ORCA_8_9_0
CMS Software
Demo at OSG Consortium Meeting

10. Issues of CMS Installation on OSG
Missing System Software
(perl modules)
Special $app Directory
No wget
Network Insulated WN
GLIBC Inconsistency
Validation is non-trivial (Help from MCPS (see demo) and Physics Analysis)
Demo at OSG Consortium Meeting

11. Demo at OSG Consortium Meeting
Summary and Prospects
Managed/Persistent CMS software installation (18) has been performed on OSG
Local Installation Information for Discovery Service
We will expand the installation
Non-trivial Sites to be handled with
different methods
Use MCPS and Real Physics Analysis for Validation
Demo at OSG Consortium Meeting