1. Slide 1 Scott.Gosline@Delta.com / Ken.F.Mason@Delta.com April 18, 2005 Toward a Strawman TPFUG – Spring 2005 Data Modeling Taskforce

2. Slide 2 Scott.Gosline@Delta.com / Ken.F.Mason@Delta.com April 18, 2005 Storage Metadata Stack OS/Storage-System tier –Device types –Device partitions –Device inventory & status –Device locality (local or network attached) –Installed file-managers –Device activity instrumentation File-Manager tier –Space allocation –Space usage –Space activity instrumentation Database-Manager tier –Database Objects (e.g., tables, indexes, queries, reports, forms, etc.) –Database Execution Objects (stored-procedures, triggers, packages, etc.) –Users, authorizations, permissions, security –Database activity instrumentation Application-Level tier –Data structures –Attribute type, length, structure characteristics –Application activity instrumentation –Application data owner

3. Slide 3 Scott.Gosline@Delta.com / Ken.F.Mason@Delta.com April 18, 2005 Metadata Gap Metadata CategoryOracleSQL Server DB2Object Store TPFComment Storage-System types, devices, partitioning, locality XXXXXTPF keypoints File-Manager space allocation, usage, activity, owners XXXXX*TPF FACE/FCTB, FARF5, Recoup, RIAT, Sub-systems Database-Manager data objects, execution objects, users, roles, security, activity, security XXXXX**TPFDF, DBDEF, Collection Support, Memory Maps Application-Level structures, attributes, activity XXXXX**TPFDF adata X – Similar metadata to other systems X* Partial metadata X** - Little to no metadata

4. Slide 4 Scott.Gosline@Delta.com / Ken.F.Mason@Delta.com April 18, 2005 Next Steps Research storage metadata attributes of other platforms Research storage metadata attributes of metadata repository Research storage metadata gaps between TPF and other platforms Model resulting TPF metadata requirements for online dictionary view Derive requirements for online TPF metadata components management, administration, and logging feature requirements