KOREA TECHNOLOGY AND FUTURE Solutions

Graid Technology

The high-performance server sector by equipping its CoreRidge x86 servers
for data centers and AI with Graid's SupremeRAID™ (the NVMe and GPU-based RAID)

This powerful combination delivers exceptional throughput and data integrity,
enabling enterprises to tackle demanding AI, HPC, and big data workloads with ease.

KTNF and Graid together set a new standard for storage speed, security,
and cost efficiency, helping businesses scale confidently in a data-driven world.

SupremeRAID™
Overview
Graid Technology’s SupremeRAID™ solution breaks the limits of traditional RAID by leveraging the immense computing power of modern GPUs. As the world’s first GPU-based NVMe RAID solution, SupremeRAID™ delivers exceptional performance with throughput up to 260GB/s and 28M IOPS, enabling ultra-fast data access for AI, HPC, and large-scale workloads. At the same time, it ensures uncompromised data protection through advanced support for RAID levels 0, 1, 5, 6, and 10, along with a patented distributed journaling for write operations to RAID systems that prevents data loss during power failure or system crashes, and a proactive bad block recovery function to extend SSD lifespan. The result: dramatically enhanced storage performance and reliability, with maximized ROI for high-performance infrastructure.
  • The Fastest SSD RAID solution Based on a GPU-based RAID, breaks through traditional RAID I/O bottlenecks, achieving up to 10 times faster read/write speeds. Supporting ultra-high concurrency and massive data throughput, a single card delivers up to 290 GB/s and 100 million GB/s, easily handling extreme workloads.
  • The safest SSD RAID solution RSupport RAID Levels: 0/ 1/ 5/ 6/ 10 High Availability Distributed Journaling for Write Hole Data Protection Automated Bad Block Recovery
  • The scalable SSD RAID solution Truly unique, offering the most flexible software-hardware integration: no cabling, no batteries, no additional PCIe switches required, and supporting up to 32 SSDs.
SupremeRAID™
Architecture
Unlike CPU-based software RAID and ASIC-based hardware RAID, which bottlenecks storage performance and reduces the return on investment (ROI) for NVMe SSD spend, SupremeRAID™ employs unique out-of-path technology, with data transfers occurring directly between the NVMe SSDs and the host memory. This direct connection allows data to be transferred at the full PCIe bandwidth of every NVMe SSD, delivering maximum storage performance, comprehensive data protection, unmatched configuration flexibility, attractive cost justification, and compelling value.

SupremeRAID™ Solution Workflow

For example, using 16 NVMe SSDs on PCIe Gen5, each capable of 14 GB/s, the theoretical total bandwidth is 224 GB/s. Traditional RAID solutions, however, are limited by lane bottlenecks and typically deliver only about 25% of that performance, or roughly 56 GB/s. In contrast, SupremeRAID™ unleashes the full potential of PCIe Gen5, achieving 100% performance utilization and delivering the full 224 GB/s throughput.

SupremeRAID™
Key Features
Unbeatable Performance
SupremeRAID™, a GPU-accelerated RAID engine powered by patented innovations in data transmission and protection, offloads RAID computations to the GPU — freeing up CPU resources for core applications. This unique architecture boosts storage performance without increasing system complexity and effectively eliminates PCIe throughput bottlenecks, achieving throughput up to 260 GB/s read and 100 GB/s write of bandwidth.
To overcome IOPS limitations, SupremeRAID™ leverages the massive parallel processing power of modern GPUs to handle each I/O request directly. This design only requires minimal CPU involvement and delivers sustained performance of up to 28 million IOPS, making it ideal for high-throughput, latency-sensitive workloads.

[Testing Environment]
Hardware - Server : Supermicro AS-2125HS-TNR / CPU : AMD EPYC 9654 96-Core Processor x 2
Memory : Samsung M321R2GA3BB6-CQKVS DDR5 16GB x 24 / SSD : Kioxia CM7 KCMY1RUG3T84 x 24
Software - OS : Ubuntu 20.04.4 LTS / Kernel : 5.4.0-155-generic / Benchmarking tool : fio-3.16 SupremeRAID
Driver version : 1.5.0 / RAID Controller : SR-1010 x 1
Advanced
Solid Data Protection
1. Ensuring Data Integrity with Consistency Checks
The SupremeRAID™ is designed to provide high reliability and data integrity levels. A key feature that enables this is the consistency check function. The consistency check function allows administrators to ensure that the data stored on the SupremeRAID™ system is intact and uncorrupted. These checks can be performed on a regular schedule or manually initiated as needed. While running the consistency check, the system compares the data on each disk to identify any discrepancies or errors. Depending on the settings chosen by the administrator, the consistency check function can either automatically fix any errors that are found or stop the check and alert the administrator to any detected errors. This feature provides administrators with flexibility and control over how the system responds to errors.

2. Dual-Controller Architecture for Auto-Failover and High Availability (HA)
This feature enables the SupremeRAID™ system to automatically fail over to another SupremeRAID™ card when one SupremeRAID™ card experiences an issue without any interruption in service. This increased reliability and availability ensures that the system remains operational even in the event of a single card failure. SupremeRAID™ supports dual-controller configurations in two modes: dual-active and active-passive. This enhances our RAID solution with comprehensive protection and security. Additionally, the high availability (HA) functionality remains unaffected by the root complex. Whether within the same root complex or across different root complexes, we have implemented failover mechanisms to ensure high availability.


3. Distributed journaling for write operations to RAID systems
SupremeRAID™ incorporates a patent-awarded distributed journaling mechanism specifically designed to safeguard data during abnormal shutdowns in double-failure scenarios. This system ensures data integrity by logging data in a dedicated journaling space before writing it to the storage area, any incomplete I/O operations are replayed upon service restart to maintain data consistency. This journaling feature is automatically enabled in degraded mode to uphold data integrity. Additionally, users still have the flexibility to bypass journaling space reservation when creating a drive group.


4. Enhancing Robustness with Error Retry Mechanism (Proactive Bad Block Recovery): The SupremeRAID™ driver introduces the error retry mechanism. The error retry mechanism enhances data resiliency by mitigating transient failures in physical drives before they escalate into critical issues. It detects and retries failed operations, preventing drives from being prematurely marked as degraded, and reduces the likelihood of premature drive failures caused by temporary read/write issues. Without this mechanism, drives may be wrongly identified as failed, leading to unnecessary rebuilds and increased system downtime. With the retry mechanism in place, transient errors are managed more efficiently, enhancing drive lifespan and overall system stability.

High- Scalability
Future-Ready
Supports up to 32 NVMe SSDs and is compatible with a wide range of interfaces including U.2, U.3, E1.S, E3.S, AIC, M.2, and CXL. Firmware upgradeable, SupremeRAID™ integrates easily into existing IT environments and mainstream server platforms. Plug-and-play with no need for additional cabling, PCIe bridges, batteries, or traditional hardware RAID cards. The result is a cleaner system architecture and more efficient operations and maintenance.
Easy to Use
STo enhance the SupremeRAID™ management tool, Graid offers an intuitive graphical console. Users can effortlessly navigate through the console using the navigation bar, which includes sections for Dashboard, Hosts, RAID Management, Events, and Statistics to display system workloads. Additionally, administrators have access to Licenses, User Management, and Email Notification sections. The system offers a comprehensive suite of features designed to enhance user experience and system management. The Dashboard and Statistics page provides an overview of system efficiency and health status, allowing users to monitor RAID utility performance and resource utilization. For hands-on management, the Host and RAID Management interface facilitates the conversion of storage devices into RAID resources. Advanced features cater to administrator needs: the License Management function tracks SupremeRAID™ license status, while User Management allows for the creation and modification of user accounts with varying permission levels. To ensure timely alerts, administrators can configure SMTP settings in the Email Notification page and enable mail functions for specific users, thereby maintaining a robust notification system for critical events.

Graphical Management Console
Industry Verticals
KTNF provides a free demo service for the Graid RAID solution at its headquarters' Micro Data Center (MDC). This service allows customers to experience the improved performance and user convenience of the Graid RAID solution firsthand before making a purchase.

Contact
Associate Manager Minsu-Kim, KTNF Server Business Team
E-mail : sales@ktnf.co.kr