HPE SmartCache is a controller-based software solution that improves application performance by caching "hot" data from traditional hard drives onto higher-speed SSDs . To use it, you generally need a SmartCache license key per server. Hewlett Packard Enterprise Key Licensing Details Requirements : One license is required for each server deployed. Availability
HPE provides several licensing tiers to accommodate different deployment scales. Every server requires its own unique license.
The server room hummed, a low, constant thrum that Miles had long stopped hearing. To him, it was silence. And in that silence, something was dying.