Exadata Half Rack
All major hardware components: 4 Database Servers, 7 
Storage CellsNetwork topology: InfiniBand interconnect (for DB-to-cell high-speed messaging and cluster internal communication)Private LAN (admin/management and cluster heartbeat)Public LAN (client access, external connectivity)
DB cluster services: Oracle RAC Clusterware and Grid Infrastructure (node management, failover, HA)
Storage cell services: Cell Offload Processing, Smart Scan, Storage Grid, Smart Flash Cache, ASM
Label Oracle Exadata Storage Server Software and Exadata Database Server SoftwareHigh-availability and scalability features: redundancy paths, parallel processing, backup/recovery integration
Management and security: labeling of management network, access control, encryption, audit trails