|US ATLAS SW Infrastructure|
Data Storage at U.S. ATLAS Tier I Center|
This page is not updated since December 2005. Please refer to U.S. ATLAS Software Support Wiki for up-to-date information.
MySQL is a relational database system that is widely used in ATLAS
for storage of constants (e.g. calibration constants,
and metadata. The ATLAS MySQL distribution is installed
U.S. ATLAS Tier I facility has the following MySQL servers (visible on web, user/pass is usual for ATLAS web sites):
Note on MySQL servers at CERN. ATLAS MySQL server at CERN is atlasdev1.cern.ch.At this time (Jan. 2004) both U.S. and CERN MySQL databases are used by ATLAS software. U.S. ATLAS Tier I Facility does not maintain the copies of CERN databases and vice versa.
ATLAS data are replicated at U.S. ATLAS Tier I Center on disk and
The replication and access to replicated data is provided by
Magda distributed data manager. The Magda web page provides
search engine and help information.