Hp Smart Array P420i License Key Today
The HP Smart Array P420i is an embedded RAID controller found in many HP ProLiant Gen8 servers. To unlock advanced features like RAID 6, RAID 60, or HP SmartCache, you typically need a license key from the HP Smart Array Advanced Pack (SAAP 2.0). Available License Keys
License keys are generally tied to the unique hardware serial number of the controller. However, several "evaluation" or "standard" keys have been shared by the community for lab or home use: Standard Advanced Pack Key: 36Z2J-8TJG8-M6XH4-6YWKB-WXM36.
Alternative Evaluation Key: 34T62-N84MB-7DQGY-G7XGT-YTQ63 (Note: This may expire after 60 days). Important Firmware Note
Before applying a license, check your firmware version. On Gen8 servers, HP updated the firmware (version 4.68 or later) to natively support RAID 6 and 60 without requiring a separate license key. You can download the latest firmware directly from the HPE Support Center. How to Install the License Key You can install the key using one of the following methods: HP Smart Storage Administrator (SSA):
Open the SSA utility (available in Windows, Linux, or via the Intelligent Provisioning boot menu). Select your P420i controller. Navigate to Settings > Manage License Keys. Click Add License Key and enter your 25-character code. Option ROM Configuration for Arrays (ORCA):
During server boot, press F8 when prompted to enter the RAID configuration utility.
Select Install License Key from the main menu and enter the code. Command Line (ssacli): Use the command: ctrl slot=0 licensekey add . Smart Array P410i License Key 12 - Google Groups
The "deep story" of the HP Smart Array P420i license key is a transition from a strictly guarded paid ecosystem to an open-legacy standard. Originally, this key was the gatekeeper to enterprise-grade performance, but today, modern firmware has rendered many of these once-expensive keys obsolete. The Original Gatekeeper: SAAP 2.0
When the P420i debuted in HPE ProLiant Gen8 servers, it was a capable but "locked" controller. To use its full potential, administrators had to purchase the HP Smart Array Advanced Pack (SAAP) 2.0 license key.
The Paid Power: Without the key, you were often limited to basic RAID levels like 0, 1, and 10.
Unlocked Features: The SAAP 2.0 key enabled high-tier functions including: RAID 6 and 60 (Advanced Data Guarding)
Advanced Capacity Expansion (Online RAID migration and drive expansion) Secure Drive Erase Advanced Data Mirroring (ADM) The Turning Point: Firmware 4.68
In September 2013, HPE made a massive shift that effectively changed the "story" for thousands of data centers. With the release of Firmware version 4.68, they integrated the core SAAP 2.0 features directly into the base firmware for free.
Legacy Shift: Controllers like the P420i, P420, and P421 no longer required a separate license key to enable RAID 6 or RAID 60, provided they had at least 512MB of Flash Backed Write Cache (FBWC).
HPE Smart Storage Administrator (SSA): The move to the HPE SSA tool further solidified this, making these advanced capabilities part of the baseline software experience. The Last Frontier: HPE SmartCache
While RAID 6 became free, one specific license remains "premium" and highly sought after by home-lab enthusiasts today: HPE SmartCache.
What it does: It allows you to use high-speed SSDs as a massive read cache for slower mechanical HDDs, significantly boosting performance.
The Licensing Struggle: Unlike SAAP 2.0, SmartCache generally still requires a valid, unique license key for activation on the P420i. Because Gen8 servers are now "legacy," these keys are increasingly difficult to buy through official HPE channels, leading many users to search for evaluation keys or decommissioned licenses on secondary markets. HP Smart Array Advanced Pack
HP Smart Array P420i controller, a license key is generally no longer required
for most advanced RAID features, provided your firmware is up to date www.bitcon.be License Key Status and Requirements SAAP 2.0 Features (Free)
: Features previously locked under the Smart Array Advanced Pack (SAAP 2.0) are now included by default in the base firmware for the P420i. Included Features
: RAID 6, RAID 60, Advanced Capacity Expansion (ACE), and Secure Drive Erase. Firmware Requirement : You must have firmware version 4.68 or later installed to bypass the license requirement. SmartCache License (Paid/Trial) : While basic RAID features are free, HP SmartCache
—which uses SSDs to accelerate read performance—still requires a separate license for permanent use. HPE often provides a 60-day free trial for SmartCache to evaluate its performance benefits. How to Activate or Manage Keys
If you still require a license for SmartCache or are using an older firmware version: Check Firmware
: Ensure your controller is updated to the latest version (e.g., v8.32) via the HPE Support Center to unlock base advanced features for free. : To add a trial or purchased key, use the HPE Smart Storage Administrator (SSA) utility or the older Array Configuration Utility (ACU). Navigate to Manage License Keys Add License Key Retrieve Registered Keys
: If you previously purchased a license, you can retrieve it by signing into the My HPE Software Center Activation History Hewlett Packard Enterprise Community firmware download for your specific ProLiant server model?
HP Smart Array Advanced Pack Evaluation License Key · GitHub
For the HP Smart Array P420i, most advanced features that previously required a license key are now free and included in the base firmware starting from version 4.68 or later. Free Features (Firmware 4.68+)
If your controller's firmware is updated, you do not need a license key for the following Smart Array Advanced Pack (SAAP) 2.0 features: RAID 6 (Advanced Data Guarding) and RAID 60. Advanced Capacity Expansion (ACE). Secure Drive Erase. Advanced Data Mirroring (ADM). Online Split Mirroring. Licensed Features
Some premium features still require a dedicated license key, specifically:
HP SmartCache: Requires a separate license to use SSDs as a high-speed cache for HDD-based arrays.
HPE SSD Smart Path: Usually included as a base feature on P-series controllers but may require updated drivers/firmware. Common Activation Keys
For evaluation purposes, historical trial keys have been used by administrators to unlock features on older controllers:
Evaluation Key (60-day trial): 34T62-N84MB-7DQGY-G7XGT-YTQ63. How to Install a Key
You can add a license key via the HPE Smart Storage Administrator (SSA) or the command line utility:
GUI: Open HPE SSA, select your controller, go to Settings > Manage License Keys, and click Add License Key.
CLI: Use the following command in ssacli (or hpssacli):ssacli ctrl slot=0 add licensekey=XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 68+ to unlock RAID 6 for free?
HP Smart Array Advanced Pack Evaluation License Key · GitHub
HP Smart Array Advanced Pack Evaluation License Key. hp_saap_license.txt. 34T62-N84MB-7DQGY-G7XGT-YTQ63.
HP Smart Array Advanced Pack Evaluation License Key · GitHub
HP Smart Array P420i License Key Review
The HP Smart Array P420i is a popular RAID controller used in HP ProLiant servers to manage storage configurations. A license key is sometimes required to unlock the full features of the controller. This review aims to provide an in-depth look at the HP Smart Array P420i license key, its functionality, and the implications of using it.
What is the HP Smart Array P420i?
The HP Smart Array P420i is a high-performance RAID controller designed for HP ProLiant servers. It supports a wide range of storage configurations, including RAID 0, 1, 10, 5, 50, 6, and 60. The controller features 8 internal ports and supports up to 200 logical drives.
What is the purpose of the HP Smart Array P420i license key?
The HP Smart Array P420i license key is a software-based activation key that unlocks advanced features of the controller. The key enables features such as:
- Advanced RAID levels: The license key allows the use of advanced RAID levels, including RAID 6 and 60, which provide additional data protection and flexibility.
- Increased logical drive support: The key enables support for more logical drives, allowing for greater storage flexibility and scalability.
- Enhanced performance: The license key can also improve performance by enabling features such as read-ahead caching and write-back caching.
Benefits of using the HP Smart Array P420i license key
The benefits of using the HP Smart Array P420i license key include:
- Improved data protection: By enabling advanced RAID levels, the license key provides additional data protection and reduces the risk of data loss.
- Increased storage flexibility: The key enables support for more logical drives, allowing for greater storage flexibility and scalability.
- Enhanced performance: The license key can improve performance by enabling features such as read-ahead caching and write-back caching.
Implications of not using the HP Smart Array P420i license key
If you choose not to use the HP Smart Array P420i license key, you may encounter limitations, including:
- Limited RAID levels: Without the license key, you may only have access to basic RAID levels, such as RAID 0, 1, and 10.
- Limited logical drive support: The number of logical drives you can create may be limited, reducing storage flexibility and scalability.
- Reduced performance: Without the license key, you may not have access to advanced performance features, such as read-ahead caching and write-back caching.
Legitimate ways to obtain the HP Smart Array P420i license key
To obtain the HP Smart Array P420i license key, you can:
- Purchase the key from HP: You can buy the license key directly from HP or an authorized reseller.
- Upgrade from a base model: If you have a base model of the P420i controller, you can upgrade to a higher model that includes the license key.
- Contact HP support: If you have a valid warranty or support contract, you can contact HP support to obtain the license key.
Risks associated with counterfeit or unauthorized license keys
Using counterfeit or unauthorized license keys can pose significant risks, including:
- Security vulnerabilities: Counterfeit keys may contain malware or backdoors, compromising the security of your server and data.
- System instability: Unauthorized keys may cause system instability or crashes, leading to data loss and downtime.
- Warranty and support implications: Using unauthorized keys may void your warranty and support contracts, leaving you without access to HP support and resources.
Conclusion
The HP Smart Array P420i license key is an essential component for unlocking the full features of the controller. While it may be tempting to use counterfeit or unauthorized keys, the risks associated with doing so far outweigh any potential benefits. By obtaining the license key through legitimate channels, you can ensure the security, stability, and performance of your HP ProLiant server.
Recommendations
- Purchase the license key from HP: To ensure authenticity and avoid risks, purchase the license key directly from HP or an authorized reseller.
- Verify the key's authenticity: Before installing the license key, verify its authenticity with HP support to ensure it is genuine and valid.
- Use the key only on authorized hardware: Use the license key only on authorized HP ProLiant servers and storage configurations to avoid any potential issues or risks.
To activate a license key for your HP Smart Array P420i controller, you must use a management utility like HP Smart Storage Administrator (SSA) or the Array Configuration Utility (ACU). These keys are typically used to unlock the Smart Array Advanced Pack (SAAP), which enables features like RAID 6, RAID 60, and advanced data mirroring. Prerequisites
Hardware: You must have at least a 512MB Flash Backed Write Cache (FBWC) module installed.
Firmware: Ensure your controller firmware is up to date (version 4.68 or later is standard for SAAP 2.0).
License Key: You should have a 25-character alphanumeric key. You can retrieve registered keys from the HPE My Software Center if you have an existing account. Activation Methods 1. Using HP Smart Storage Administrator (SSA) This is the modern method for Gen8 and later servers.
Launch SSA: Open the utility from your OS or press F10 during boot to enter Intelligent Provisioning.
Select Controller: Choose the Smart Array P420i from the list of devices.
Manage Licenses: Under the Actions or Configuration menu, click on Manage License Keys.
Add Key: Select Add License Key, enter your 25-character code, and click Save or Activate. 2. Using Array Configuration Utility (ACU) For older setups or specific OS environments. Open ACU: Go to the Configuration tab.
Select Controller: Pick the P420i from the Controller/Device menu.
Manage Licenses: In the Available Tasks panel, click Manage License Keys.
Install: Click Add License Key, enter your code, and save the changes. Alternative: Firmware Bypassing
On some Gen8 servers, users have reported that updating the P420i firmware to the latest version (e.g., v8.32) may automatically unlock certain advanced features without requiring a separate license key. You can check for the latest drivers and firmware on the official HPE Support Portal. Evaluation Keys
If you are testing features, HP previously offered 60-day evaluation keys. Community-shared examples of such keys (though often serial-number bound) include:
HP Smart Array Advanced Pack Evaluation License Key · GitHub
Reviewing the license key for the HP Smart Array P420i primarily involves two main software packages: the Smart Array Advanced Pack (SAAP) 2.0 and HP SmartCache. Overview of Licensed Features
For the P420i (commonly found in Gen8 ProLiant servers), a license key unlocks enterprise-grade features that are otherwise dormant in the hardware's firmware.
RAID 6 & 60 (Advanced Data Guarding): Provides higher fault tolerance by allowing two simultaneous drive failures.
Note: Some later firmware versions (v4.68+) may unlock RAID 6/60 without a separate key if you have a Flash Backed Write Cache (FBWC) module installed.
HP SmartCache: High-performance caching that uses SSDs to accelerate read/write speeds for traditional HDD arrays.
Advanced Capacity Expansion: Enables online RAID level migration and online stripe size migration.
Security & Optimization: Includes features like Secure Drive Erase, Video on Demand (VOD) performance optimization, and RAID 1 Advanced Data Mirroring (ADM). Critical Requirements
To use these license keys, your P420i controller must have a Flash Backed Write Cache (FBWC) module (typically 512MB, 1GB, or 2GB) installed. Without a functional FBWC and its corresponding supercapacitor/battery, most advanced features cannot be enabled. User Feedback & Market Value
HP Smart Array Advanced Pack Evaluation License Key · GitHub
The hum of the server room was a steady, mechanical breathing, but for Elias, it sounded like a countdown.
In the center of Rack 4 sat the ProLiant Gen8, the heart of the company’s database. Nestled on its motherboard was the Smart Array P420i
controller—a silent gatekeeper of data. For weeks, Elias had watched the drive lights flicker with a rhythmic amber warning. The arrays were healthy, but the performance was bottlenecked. The "Write Cache" was disabled because the capacitor was dead, and worse, the advanced RAID features he needed were locked behind a digital wall.
He logged into the Array Configuration Utility. There it was: the prompt for a License Key
To most, a license key is just a string of twenty-five alphanumeric characters. But to Elias, it was the "golden ratio" for his infrastructure. Without it, the Smart Array Advanced Pack (SAAP 2.0) remained dormant. He needed hp smart array p420i license key
—the ability to lose two drives simultaneously without a total system collapse. In a world of aging hardware and unpredictable power surges, RAID 5 was a gamble he could no longer afford to take.
He remembered the old days of physical keys and dongles, but this was the era of "Entitlement." He spent the night scouring old procurement emails and dusty binder sleeves in the basement archive.
Finally, under a stack of decommissioned manuals, he found it: a faded envelope from Hewlett-Packard. Inside was a printed sheet with the key that would unlock the controller's true potential.
Back at his terminal, Elias typed the characters with the precision of a pianist. XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
The screen paused. A spinning icon teased a failure. Then, the status changed to "Registered." Immediately, the interface transformed. Options for Dual Domain support and Drive Erasure
appeared like new rooms opening in a house. He initiated the migration to RAID 6. The server groaned as it began the grueling process of redistributing parity across the disks.
As the sun rose, the amber warnings turned to a steady, confident green. The P420i was no longer just a component; it was a fortress. Elias leaned back, the mechanical breathing of the room finally sounding like a song of stability. Do you need help identifying
which specific features a P420i license unlocks, or are you looking for the installation steps to activate one?
For the HP Smart Array P420i controller, license keys were originally required to unlock the Smart Array Advanced Pack 2.0 (SAAP 2.0) and HP SmartCache features. However, significant firmware updates changed how these features are accessed. The Role of SAAP 2.0 Licensing
The Smart Array Advanced Pack 2.0 (SAAP 2.0) was a suite of firmware-level features that required a standalone license for activation. For the P420i, these features included:
Advanced RAID Levels: RAID 6 (Advanced Data Guarding) and RAID 60.
Performance and Optimization: Drive Erase, Performance Optimization for video streaming, and Advanced Data Mirroring (RAID 1 ADM).
Advanced Management: Advanced Capacity Expansion (ACE), Mirror Splitting and Recombining in offline mode, and Online Mirror Split. Key Firmware Shift
Following a firmware update (version 4.68 and later), many features that previously required an SAAP 2.0 license key were integrated directly into the base firmware for free. For modern users of the P420i (which often runs on version 8.32), features like RAID 6 and 60 no longer require a separate license key, provided the controller has a minimum of 512MB Flash Backed Write Cache (FBWC). HP SmartCache License
Unlike the general advanced pack features, HP SmartCache typically still requires its own separate license key (e.g., HP SmartCache Electronic License) to enable SSD caching for standard HDD arrays. This license provides performance benefits by using SSDs as a high-speed cache for frequently accessed data. Licensing Models and Activation HP utilized several methods for license distribution:
Single Server License: One license per physical server, non-transferable.
Electronic License: Often designated by part numbers like D7S27A, delivered via email for faster deployment.
Flexible Quantity Licenses: Allowed multiple licenses to be managed under a single activation key for larger deployments.
Activation is typically performed through the HP Smart Storage Administrator (SSA) or the command line using ssacli with the syntax controller slot=x add licensekey=XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.
HP Smart Array Advanced Pack Evaluation License Key · GitHub
HP Smart Array P420i license keys — vivid commentary
The P420i sits in that awkward sweet spot of datacenter nostalgia: a solid, well-built embedded RAID controller from HPE’s Gen8 era that still hums in many home labs and older servers. But unlike the free, open-world feel of spinning disks and SATA cables, HPE wrapped several important features — RAID6/60, SmartCache, some advanced capacity and expansion capabilities — behind paid license keys (the Smart Array Advanced Pack / SmartCache licenses). That business choice has made the P420i a lightning rod: technically capable hardware, commercially gated features.
What the license actually is
- A 25-character alphanumeric code (often shown with hyphens) that the Smart Storage Administrator (SSA) or ssacli can install to unlock advanced firmware features on a specific controller.
- Historically HPE offered evaluation keys (time-limited) and permanent licenses sold through HPE channels or resellers.
- On many Smart Array generations a license is tied to controller identity (serial/UUID) so a random public key won’t work universally.
Real-world friction
- Buying: For older controllers like the P420i, HPE’s product and licensing pages have moved around; official retail availability can be spotty. Community reports show people sometimes find evaluation keys, reseller listings, or discontinued-product confusion in vendor portals.
- Compatibility: Firmware revisions matter — some features require minimum firmware or cache/battery modules. Some forum threads note later firmware versions relaxed requirements for particular RAID levels, reducing dependence on SAAP for certain configurations.
- Cost vs. home-lab use: Many hobbyists resent paying enterprise license prices for single-home servers. That’s why you’ll see people hunting expired/eval keys, sharing snippets (often non-functional for other controllers), or switching to alternative hardware (LSI controllers flashed to IT mode) to avoid locked features entirely.
Examples and outcomes
- Example A — Buy and enable: An enterprise buys a SmartCache/SAAP license from HPE, retrieves the key, opens SSA (or ssacli), uses “Manage License Keys” → “Add License Key” and the controller reports “License Key successfully installed.” Advanced features become available immediately (subject to firmware/cached module requirements).
- Example B — Firmware unlocks: In some Gen8 P4xx controllers, updated firmware or service packs removed SAAP dependency for certain RAID levels — users reported RAID6/60 usable without separate SAAP on later firmware (check exact firmware notes before assuming this).
- Example C — Home-lab workaround: Enthusiasts either (1) use HBA/IT-mode HBAs (LSI/Avago) to pass disks through without RAID licensing; (2) accept RAID limits and use OS-layer RAID (mdadm, ZFS) to get features for free; or (3) hunt community-shared eval keys (often time-limited or controller-bound and unreliable).
Practical advice
- If you need advanced P420i features in production: pursue an official HPE license via HPE support/resellers; confirm compatibility with your controller firmware and cache/battery.
- If you’re in a home lab and don’t want to pay: consider firmware notes (maybe newer firmware already enables needed RAID levels), move to software RAID (ZFS/mdadm), or replace the controller with an LSI/IT-mode HBA for full passthrough without vendor locks.
- When troubleshooting license installs: ensure SSA/ssacli versions and controller firmware are current, the cache module/battery meets minimum requirements, and that any license you attempt to install matches the controller (some keys are controller-bound).
Final note The P420i story is a small illustration of a broader tension: robust hardware made for long-term use, wrapped with licensing aimed at monetizing a subset of capability. For admins who value predictability and vendor support, buy the license; for tinkerers, alternatives exist — but expect trade-offs in convenience, warranty, or integration.
The HP Smart Array P420i is a staple RAID controller found in Gen8 ProLiant servers. While it is a powerhouse for data management, many of its most advanced features—like RAID 6, RAID 60, and advanced caching—are locked behind a firmware wall. To unlock them, you need an HP Smart Array Advanced Pack (SAAP) 2.0 license key. Why You Need a License Key
The P420i is "feature-rich" out of the box, but "performance-limited" without the upgrade. A license key transforms your storage capabilities from basic to enterprise-grade. Key Features Unlocked by SAAP 2.0:
RAID 6 & 60: Provides dual-drive failure protection, essential for high-capacity SATA/SAS drives.
HP SmartCache: Uses high-speed SSDs as a caching tier for slower HDD arrays, drastically reducing latency.
Capacity Expansion: Allows you to add drives to an existing array without downtime.
RAID Level Migration: Switch from RAID 5 to RAID 6 on the fly as your data safety needs evolve.
Advanced Mirroring: Supports RAID 1 ADM (Advanced Data Mirroring). The Shift to "Entitlement" (Important Update)
Historically, HP required a physical or electronic purchase of a 25-digit license key. However, since the Gen8 hardware line is now legacy (End of Life), HP (now HPE) has made several changes to how these features are accessed.
Firmware Updates: In later versions of the P420i firmware, some RAID features that previously required a key were integrated into the base firmware.
Legacy Support: If your server still asks for a "License Activation Key," you typically need the HPE Smart Array Advanced Pack 2.0.
The "Free" Factor: Because these servers are no longer the flagship models, many administrators find that the features are either pre-enabled in the latest Service Pack for ProLiant (SPP) or accessible via community-archived keys found on technical forums. How to Install Your License Key
If you have acquired a 25-digit key, you can activate it using three different methods: 1. HP Smart Storage Administrator (SSA)
This is the most common method using the GUI within Windows or Linux. Open HP Smart Storage Administrator. Select the P420i Controller from the left sidebar. Click Manage License Keys under the "Actions" menu. Enter your 25-digit key and click Activate. 2. Option ROM Configuration for Arrays (ORCA) Use this method during the server boot process. Reboot your server.
Press F8 when prompted to enter the P420i configuration utility. Navigate to View/Manage License Keys. Enter the key manually using the interface. 3. HP iLO Web Interface
You can also apply the key remotely if you have iLO (Integrated Lights-Out) access. Log in to the iLO Web Interface. Navigate to Administration > Licensing. The HP Smart Array P420i is an embedded
Note: This usually applies to iLO features, but some "System Inventory" tabs allow for controller-specific license management depending on your firmware version. Troubleshooting Activation Issues
Invalid Key: Ensure you are using a key for SAAP 2.0. Keys for older P410i controllers (SAAP 1.0) will not work on the P420i.
FBWC Requirement: Most advanced features (especially RAID 6 and SmartCache) require a Flash Backed Write Cache (FBWC) module to be installed on the P420i. If the module is missing or the capacitor/battery is dead, the license key may not activate the features.
Firmware Mismatch: Always update your controller firmware to the latest version (typically v8.32 or higher) before applying a license key to ensure compatibility.
💡 Pro Tip: If you are using the P420i in a home lab, check the latest HPE support forums. Many users have noted that recent firmware updates have relaxed the licensing requirements for RAID 6, making the hunt for a physical key unnecessary. To help you get the right setup for your server: Do you need to set up SSD caching (SmartCache)?
Are you running a specific Operating System (ESXi, Windows, TrueNAS)?
For most users of the HP Smart Array P420i Go to product viewer dialog for this item.
, a separate license key is no longer required for major advanced features if your firmware is up to date. Historically, these features were locked behind the Smart Array Advanced Pack (SAAP) 2.0, but HP integrated them into the base firmware (version 4.68 and later) for free. Key Status: Licensed vs. Free Features
SAAP 2.0 (Now Free): Unlocked by updating to Firmware v4.68 or later.
Includes: RAID 6 (ADG), RAID 60, Advanced Capacity Expansion (ACE), Secure Drive Erase, and Online Mirror Splitting
HPE SmartCache (Still Licensed): This remains a separate, paid feature for the
Function: Caches frequently accessed data ("hot data") from HDDs onto low-latency SSDs to accelerate workloads.
Requirements: Requires a valid license key and a Flash Backed Write Cache (FBWC) module. How to Unlock Advanced Features
To access the formerly licensed SAAP 2.0 features for free, follow these steps: HP Smartcache license key for Smart Array P420i controller
The HP Smart Array P420i is an enterprise-class RAID controller integrated into many HPE ProLiant Gen8 servers. While it offers robust standard performance, certain high-end features like RAID 6, RAID 60, and HP SmartCache historically required a specific license key for activation. Unlocking Advanced Features
Originally, the P420i required the HPE Smart Array Advanced Pack (SAAP 2.0) license to enable advanced data protection and performance enhancements.
RAID 6 & RAID 60: These "Advanced Data Guarding" (ADG) levels provide higher fault tolerance by allowing for two simultaneous drive failures.
HP SmartCache: This feature accelerates application workloads by caching "hot" data onto lower-latency SSDs.
RAID 1 ADM: Advanced Data Mirroring for enhanced redundancy. Changes in Licensing Requirements
It is important to note that licensing requirements for the P420i have evolved through firmware updates:
Firmware Version 4.68 or Later: HPE removed the requirement for a SAAP 2.0 license to enable RAID 6 and RAID 60. Users with this firmware (or newer, such as version 8.32) can use these RAID levels as standard baseline features.
Hardware Dependency: Even without a license, a minimum of 512MB Flash Backed Write Cache (FBWC) is required to enable RAID 5, 50, 6, and 60. How to Install a License Key
If you are using an older firmware or need to activate HP SmartCache, you can manage licenses through the following tools: HPE Smart array P420i controller specification
Understanding the licensing for the HP Smart Array P420i controller is essential for unlocking advanced storage features on ProLiant Gen8 servers. While some previously "premium" features are now free, others still require a specific activation key. 1. Current Licensing Status Most advanced features that originally required a Smart Array Advanced Pack (SAAP) 2.0
license have been integrated into the standard firmware for free. www.bitcon.be Standard (No License Required): RAID 0, 1, 10, 5, and 50. Unlocked via Firmware (Free):
RAID 6, 60, Advanced Capacity Expansion (ACE), and Mirror Splitting are now free if you use Firmware version 4.68 or later Still Requires License Key: HP SmartCache
remains a paid licensed feature used to accelerate workloads by caching "hot" data onto SSDs. Hewlett Packard Enterprise 2. Key Features Requiring Activation
If you need features not covered by the base firmware, you typically look for these specific licenses: HP Smart Array SR SmartCache:
Accelerates read performance by using SSDs as a high-speed cache for bulk HDD storage. Secure Drive Erase:
While often included in newer firmware, some legacy environments may still require SAAP 2.0 for advanced sanitization methods. Video on Demand (VOD) Optimization:
Specifically tunes performance for streaming media workloads. www.bitcon.be 3. Hardware Requirements for Licensing
Before applying a license key, the P420i must meet these minimum hardware specifications:
What Does the License Key Unlock?
The P420i’s base firmware provides standard RAID levels (0, 1, 1+0, 5) and basic cache operation. The optional license key enables HP SmartCache and HP SSD Smart Path — two features that dramatically improve performance in mixed HDD/SSD environments:
- HP SmartCache – Uses a fast SSD (or small SSD array) as a large, intelligent cache in front of slower HDDs, automatically moving hot data to SSD while retaining RAID protection.
- HP Smart Path – Optimizes I/O for SSDs by bypassing unnecessary RAID layers, reducing latency and increasing throughput.
Without the license key, the P420i works perfectly for standard RAID setups. You only need the key if you plan to use SSD caching or want maximum SSD performance.
Part 9: Step-by-Step – Installing a Legitimate License Key
Assuming you purchased a valid key, here is how to apply it.
Troubleshooting Common License Issues
Even with a valid key, problems occur. Here is the fix for the top three errors:
Error 1: "License key is invalid for this controller"
- Cause: The key was generated for a different server’s serial number.
- Fix: You cannot fix this. You must source a key specifically for your P420i’s WWID.
Error 2: "Evaluation period has expired. Degraded performance."
- Cause: A trial license ran out. Your RAID 5/6 array may still work, but you cannot reconfigure it or replace a failed drive without rebuilding the entire array.
- Fix: Purchase a permanent license immediately. To recover, you would have to back up data, delete the array, and rebuild on RAID 10 (license-free).
Error 3: License installed, but RAID 5 still greyed out.
- Cause: The controller firmware is outdated.
- Fix: Download the latest Service Pack for ProLiant (SPP) ISO (Gen8 version) from HPE and update the P420i firmware to the latest revision (version 8.x or 9.x).
Q: I lost my license key. Can I recover it?
Yes, if it was already installed on the controller. Use:
ssacli ctrl slot=0 show license | grep Key
This prints the key in plain text.