GAIS is an OGSI-compliant Grid Advanced Information System which extends GT3.x MDS3 and conforms to flat and dynamic architecture. It provides more plentiful resource information and advanced functionalities in order to satisfy the requirements for various Grid applications in the K*Grid.
Main Features
GAIS conforms to OGSI specificaiton and extends various service components of MDS3. In particular, it includes interfaces and functionalities for the flat network construction of directory servers. In addition, it provides rich information providers that produce computing resource information and replica information. Consequently, we anticipate that our information system will be broadly utilized through improved service qualities. Followings are brief introduction of GAIS features.
Flat
and dynamic network of site-based directory servers
Efficient management of directory servers
Preservation of consistency
for Grid information
Scalable and fault-tolerant Grid information
system
Flexible
VO construction
Group mechanism based on OGSI factory approach
Resource sharing according to site policy
Easy VO join/leave
Query
load balancing & effective query process
Site-based deployment of multiple VO Query Services
Efficient query mechanism using OGSI factory approach
Rich
information providers
Supply of various information about
data replication as well as
computing
resource
Definition of new information
schema
Adoption of Glue schema and extension of it
Requirements
OS:
Linux (Redhat 7.3 or more except Readhat 8.x are recommended)
Globus
Toolkit 3.2.x
Gridsphere
2.0.x : If you want to use GAIS portlets, Gridsphere should
be installed.
OpenPBS
(Portable Batch System) : If you'd like to obtain the information
about cluster, OpenPBS
should be installed
SRB
Account : If you'd like to obtain the information that
is produced in MCAT-enabled
SRB Server, contact the admin of MCAT-enabled SRB Server
and obtain it.
What
is GAIS?
Flat
and dynamic network of site-based directory servers