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Huawei OceanStor Dorado – Product Analysis

Last updated June 25th, 2020 for updates to V6 models. Comprehensive 20-page analysis of midrange SAN product Huawei OceanStor. Covers architecture, advanced features, performance, and commentary.

The Huawei OceanStor Dorado V6 all flash storage family consists of the 3000, 5000, 6000, 8000, and 18000. The OceanStor Dorado line is similar to the Huawei OceanStor storage systems, with the Dorado designation signaling all flash systems. The V6 systems are the newest generation of Dorado systems, bringing performance increases and significant technology updates to the previous V3 systems.

The Dorado systems are targeted at accelerating applications such as databases, virtual desktop, and server virtualization. The Dorado (officially OceanStor Dorado) line uses Huawei SSDs attached by 12 Gb/s SAS or by PCIe using the NVMe protocol.
Dorado models feature a modular architecture with 2U or 4U controller enclosures, depending on the model, and additional device enclosures for either SAS or NVMe SSDs. For NVMe devices, Huawei uses a custom physical form to allow more SSDs compared to a standard 2.5” SAS SSDs.

In addition to custom designed SSDs, Huawei has implemented a full set of custom chips in the OceanStor Dorado V6 models. V6 models utilize a total of five specialized chips that serve a variety of purposes.

The Huawei Dorado all flash systems compete other all flash block storage systems including EMC Unity all flash models, IBM FlashSystem, NetApp All Flash FAS, HPE Primera, PureStorage FlashArray and other leading all flash systems.

Huawei OceanStor Product Analysis includes:

  • Highlights
  • Overview of system
  • Software overview
  • Advanced features
  • Reliability, availability, serviceability features
  • Evaluator Group commentary

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