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Huawei All-Flash Storage
OceanStor Dorado benefits from five, built-in, proprietary Huawei intelligent chips to implement an end-to-end service acceleration platform that triples performance and maximizes resource utilization.
The intelligent processor chip uses an ARM-based CPU that offers the industry's highest performance: 25% more computing power than the next-best.
higher than the industry benchmark
Based on machine learning frameworks, the intelligent AI chip actively analyzes and understands I/O rules of multiple application models, implements intelligent prefetch of memory space, improves the read cache hit ratio by 50%, and shortens batch processing latency from 300μs to 150μs.
higher read cache hit ratio
The chip intelligently parses front-end protocols — including 32 Gbit/s Fiber Channel and 100 GE, with forward compatibility — improving storage performance by 20%.
better storage performance
The chip implements the Flash Translation Layer (FTL) in silicon to accelerate data access in SSDs, reducing read latency by 80 μs, 10% lower than the nearest competitor.
Implementing intelligent and comprehensive fault management, the chip provides fault location accuracy of up to 93%, slashing fault recovery times from two hours to just ten minutes.
Huawei makes the most of NVMe protocols with the industry’s only end-to-end development of an NVMe flash controller, NVMe all-flash Operating System (OS), and NVMe SSDs. Powered by this NVMe architecture, with finely tuned disk/controller coordination, Huawei’s NVMe all-flash storage now offers stable latency of 0.1 milliseconds.
Implements direct communication between the CPU and SSDs.
lower latency than the SAS SSD
OceanStor Dorado’s new, SSD-optimized design and disk/controller coordination technology enable storage controllers to detect data layouts in SSDs in real time, synchronizing the data in controllers and SSDs. Such coordination helps reduce performance losses caused by garbage collection and ensures rapid response to data read and write I/Os.
An integrated range of technologies prolongs service life, including Low-Density Parity-Check (LDPC) code error correction, global wear leveling, anti-wear leveling, and flash-ice heat dissipation. With a Mean Time Between Failures (MTBF) of three million hours, Huawei SSD reliability leads the industry.
Three simultaneous disk failures are tolerated without interrupting services.
Reduces the time to reconstruct 1 TB of data from five hours to just 30 minutes.
With load balanced between active-active mirrors, non-disruptive cross-site takeover is permitted. The gateway-free design simplifies deployment and reduces the number of possible points of failure. The solution can smoothly upgrade to three data centers without gateways, achieving 99.9999% availability.
Providing industry-leading self-protection for storage in a multi-cloud environment, the system unifies management of disaster recovery, backup, and data reuse.
With a greatly reduced storage footprint that has zero impact on high performance levels, OceanStor Dorado offers a data reduction ratio as high as 5:1.
Big data analytics and AI provide diverse services, including automatic fault reporting, capacity performance prediction, and disk risk prediction, to prevent problems from ever happening, as well as perform capacity planning.
Automatic Fault Reporting
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