InfiniBand

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InfiniBand (IB), a computer-networking communications standard used in high-performance computing (HPC), features high throughput and low latency. It is developed by Mellanox and provides Quadruple Data Rate
(QDR) and Fourteen Data Rate (FDR). The CX610 and CX611 switch modules of E9000 server support IB QDR and FDR.

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InfiniBand
InfiniBand (IB), a computer-networking communications standard used in high-performance computing (HPC), features high throughput and low latency. It is developed by Mellanox and provides Quadruple Data Rate (QDR) and Fourteen Data Rate (FDR). The CX610 and CX611 switch modules of E9000 server support IB QDR and FDR.

InfiniBand protocols and standards supported by Huawei
Huawei InfiniBand interface modules currently support the fourteen data rate (FDR) and are compatible with the quad data rate (QDR). A single interface provides quadruple rate depending on whether FDR or QDR is used. The interface bandwidth is up to 56 Gbit/s. The upper-layer SRP is supported and the storage SCSI protocol can be used to provide SAN services. IPoIB will be supported later to provide NAS services. Communication management based on OpenSM is supported.

Application scenarios of InfiniBand interfaces on OceanStor V3 storage systems
InfiniBand interfaces are used as front-end host interfaces of OceanStor V3 converged storage systems and can be connected directly or using switches. InfiniBand interfaces are applicable to high-performance computing (HPC) scenarios and high-performance storage scenarios in large-scale data centers. The tested read and write latency of an InfiniBand interface card is 5 μs. The maximum read bandwidths of the card and a single port are up to 5800 MB/s and 4200 MB/s, respectively. In addition, the input/output operations per second (IOPS) can be as high as 500,000. Tests indicate that InfiniBand interfaces are more suitable for HPC scenarios than Fibre Channel interfaces.

Typical networking plans of OceanStor 9000 V100R001C01
OceanStor 9000 V100R001C01 supports the following typical networking plans: 1. 10GE front-end and 10GE back-end 2. 10GE front-end and GE back-end 3. InfiniBand front-end and InfiniBand back-end 4. 10GE front-end and InfiniBand back-end In the preceding four networking scenarios, the networking tool automatically generates a network plan, hardware connection diagram, and connection table.

Planning of IP addresses on the OceanStor 9000 InfiniBand network
For details about the planning of IP addresses on the OceanStor 9000 V100R001C01 InfiniBand network, see OceanStor 9000 V100R001C01 Planning Guide.

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