NGAS –
The Next Generation Archive System
Jens Knudstrup
NGAS Infrastructure
Present ESO NGAS Infrastructure:
NGAS
DB
NGAS
DB
NGAS
DB
Replication Archive
Disk Sets
Archive Unit
Buffering Unit
Archive Handling Unit
Cluster Unit
Ext.
Archive
Client
Ext.
Archive
Client
LS
PAR
GAR
INS
The NGAS Project is a technical challenge, but is maybe even more a logistic challenge. In the slide above a simplified view of the operation environment is show.