If you're looking to boost your storage performance and efficiency, I highly recommend considering HPE SmartCache. Be sure to evaluate your specific needs and ensure compatibility with your existing infrastructure before purchasing a license key.
A: Generally, HPE SmartCache licenses are locked to the controller serial number . If you replace the storage controller hardware due to failure or an upgrade, you will likely need to contact HPE Support to have the license re-issued or transferred to the new controller's serial number. hpe smartcache license key
, making those elusive license keys a thing of the past for modern builds. Storage Parts Direct How it Actually Speeds Things Up Identifies "Hot" Data: The controller automatically monitors which data blocks are requested most often. Low Latency: It copies that "hot" data to an SSD cache. The next time the OS asks for it, the controller pulls it from the SSD instantly instead of waiting for a mechanical disk to spin up. Write Back vs. Write Through: It can accelerate both reads and writes, though "Write Back" caching usually requires a Flash-Backed Write Cache (FBWC) module to prevent data loss during power failures. www.bitcon.be +1 Is it worth the setup? If you're running database-heavy workloads or virtual machines on older Gen9 hardware, finding a legacy HPE SmartCache License is one of the cheapest ways to see a 3x to 4x jump in IOPS. For Gen10 users, you likely already have it—you just need to plug in an SSD and configure it via the Smart Storage Administrator (SSA) . AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 3 sites Why HP Smartcache is a great feature on your SmartArray controller - Bitcon Dec 9, 2013 — If you're looking to boost your storage performance
| Metric | HDD Only | HDD + SmartCache (SSD cache) | |--------|----------|-------------------------------| | | 5–10 ms | 0.1–0.5 ms (cache hit) | | Write latency | 3–5 ms | ~0.1 ms (write to cache) | | IOPS (random) | 150–200 | 50,000–150,000+ | | Effective cost/GB | Low | Medium (adds SSD) | | Transparent to OS | N/A | Yes | If you replace the storage controller hardware due
Once you have purchased the license, the key must be applied to the controller. This can be done using HPE's management tools: