The minimal configuration of an Exadata Database Machine consists of two database servers and three storage servers. From this starting point, users can elastically add more database or storage servers within the same rack to meet any business need. For even larger requirements, multiple racks can be connected using the integrated InfiniBand fabric, allowing linear scaling of processing power, I/O throughput, and storage capacity—a four-rack system provides quadruple the resources of a single-rack system. Oracle Real Application Clusters (RAC) can dynamically add processing power, and Automatic Storage Management (ASM) dynamically adds storage capacity.
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Instead of managing dozens of isolated database servers, organizations can consolidate thousands of pluggable databases (PDBs) onto a single Exadata X8-2 rack. Built-in ensures that high-priority production databases receive dedicated bandwidth, preventing lower-priority dev/test workloads from hijacking system resources. 5. Architectural Comparison: X8-2 vs. Previous Generations Technical Metric Exadata X7-2 Exadata X8-2 Performance Leap Cores per Compute Node ~10% Compute Increase Max HDD Capacity (per drive) 40% Storage Density Boost Storage Processor Cores Faster Smart Scan Filtering Network Interconnect 40 Gb/s InfiniBand 100 Gb/s RoCE / InfiniBand 2.5x Bandwidth Increase 6. Business Value and Return on Investment (ROI) The minimal configuration of an Exadata Database Machine
Oracle offers multiple acquisition and deployment models for Exadata X8-2: Oracle Real Application Clusters (RAC) can dynamically add