Datasheet > 88NR2241-B

88NR2241-B

更新时间： 2024-03-03 10:10:56

品牌	Logo	应用领域
迈威 - MARVELL		存储
页数	文件大小	规格书
2页	184K
描述
存储加速器

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数据手册

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88NR2241-B 数据手册

Solutions Brief

Marvell^®88NR2241-B NVMe RAID 1 Accelerator

Highly reliable replication for Boot OS applications for volume servers and storage infrastructure

Overview

The 88NR2241-B is Marvell’s leading NVMe RAID 1 accelerator

targeted for the virtualized server and hyperconverged

infrastructure (HCI) markets that require high availability of their

solid state drive (SSD) Flash storage data. By extending Marvell’s

SATA/SAS legacy controllers' feature set into the NVMe space,

the accelerator provides enterprise-class performance, data

redundancy, and easy serviceability with standard NVMe drives.

No custom drivers are necessary as the accelerator supports

native NVMe in-box drivers and is compatible with most popular

operating systems today such as VMware ESXi, Windows Server

and popular Linux distributions.

The accelerator utilizes a “fast path” for IO commands that

provides sub-microsecond latencies. In additional, the accelerator

separates admin commands from IO commands for streamlined

performance. Further customization is available to allow support

of vendor unique commands that can be used in addition to the

defined NVMe command set, as well as support for “pass-through”

mode - allowing commands to directly bypass the accelerator. The

accelerator supports various in-band and out-of-band (OOO)

management protocols and conforms to standard NVMe-MI. A full

list of features is provided in the table below.

The NVMe accelerator has a DRAM-less architecture and provides

low latency NVMe transactions with minimum overhead. With

the RAID feature set, the accelerator can virtualize multiple

physical NVMe SSDs into a single logical unit for the purposes

of RAID 1 data redundancy.

Block Diagram

Host NVMe Driver

Front end

Device

NVMe-over-PCIe

Interface

I/O and Admin Processing

Namespace Management

RAID / Aggregation

Back end

Device

NVMe-over-PCIe

Interface

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