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OceanStor Dorado benefits from five built-in proprietary Huawei intelligent chips to accelerate critical paths for transmission, compute, intelligence, storage, and management. Best-in-class dual controllers performance with 640k IOPS and 0.1ms ultra-low latency.
Enhance read cache hit ratio by 50%
Shorten read latency by 50%
Improve computing power by 25%
93% fault location accuracy.
Shorten write latency by 50%
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 32/16/8 Gbit/s Fiber Channel, 100/40/25/10 Gbit/s Ethernet, with forward compatibility – shorten read latency from 160μs to 80μs by 50%.
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
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.
fault location accuracy
The chip implements the Flash Translation Layer (FTL) in silicon to accelerate data access in SSDs, reducing read latency from 40μs to 20μs in low-load scenarios.
Competitor vs. Huawei storage performance after value-added features are successively enabled
Competitor AFA: 40% lower; Huawei AFA: <10% lower
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.
Test mode: 7:3 Mixed read/write, 130μs read, 50μs write Total latency: 130*0.7 + 50*0.3 =106μs
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.
*Tested under SPC-1 model in Huawei lab environment.