Gen11 shifted toward newer HPE SmartRAID (Microchip-based) and MegaRAID (Broadcom-based) controllers, which utilize different performance-tiering and caching mechanisms. Flash-Backed Write Cache (FBWC) Requirement
Implementing HPE SmartCache, facilitated by a valid license key, offers numerous benefits to organizations seeking to enhance their storage infrastructure:
For older Gen9 systems utilizing controllers like the , the SmartCache feature is locked by default.
Click Configure SmartCache , select your unconfigured SSDs, and assign them to act as the cache pool. hpe smartcache license key
Ensure the license key bought matches the controller generation. A license engineered explicitly for a Gen9 P440 controller may not register on a Gen10 P408i controller. License Disappears After Reboot
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To ensure data integrity, SmartCache typically requires the host Smart Array controller to be equipped with an operational Flash-Backed Write Cache (FBWC) module. The FBWC uses a supercapacitor to supply temporary power during sudden outages. This gives the controller enough time to write its volatile cache data safely onto non-volatile flash memory. SSD Specifications Ensure the license key bought matches the controller
license add –key SMART-FALL-2023
Click save. Caching begins instantly as data blocks are queried by the operating system. Troubleshooting Common HPE SmartCache License Issues 1. "Invalid License Key" Error
Once the license is installed, HPE SmartCache can dynamically accelerate I/O performance. Tests have shown that by placing "hot" data on SSDs, applications can see performance improvements of up to 400% (four times faster) compared to standard HDD arrays. This link or copies made by others cannot be deleted
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Activating your SmartCache license key can be completed through several deployment paths depending on your operating environment. Method 1: Using HPE Smart Storage Administrator (SSA) GUI
One license key activates SmartCache on a single HPE Smart Array controller.
HPE often provides 60-day trial license keys. These temporary keys allow systems administrators to test SmartCache in their environment before purchasing a permanent license.