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A method and device for simulating remote storage device as local storage device

A technology of remote storage and storage equipment, applied in the input/output process of data processing, instruments, electrical digital data processing, etc., can solve the problems of system management usability, inconvenience, hardware architecture constraints, etc., and achieve reliable replacement Effect

Pending Publication Date: 2020-03-31
LENOVO ENTERPRISE SOLUTIONS SINGAPORE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these servers typically have 1-2 PCIe slots that can be occupied by very large GPUs, which at the same time are increasingly becoming a common add-on, so there are no servers with extra slots for additional NIC card
Also, in a shared cabinet / chassis of servers, installing additional NIC cards to server nodes is challenging as it requires exposing external ports for network cables to plug in
Therefore, deploying NVMeOF in high-density servers is challenging due to hardware architecture constraints and hardware installation complexity
[0004] Also, network-based NVMeOF causes system management usability issues: no storage devices will show up in the system inventory
This can cause major problems in configuring and troubleshooting block devices
Using network-based storage is thus inconvenient compared to locally attached NVMe SSD devices

Method used

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  • A method and device for simulating remote storage device as local storage device
  • A method and device for simulating remote storage device as local storage device
  • A method and device for simulating remote storage device as local storage device

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Embodiment Construction

[0015] now refer to figure 1 , which shows an information handling device that allows an interface device, shown as an interface card 26, to be mounted thereon. As understood by those skilled in the art, the information processing device in this embodiment is a server 20, which is adapted to process requests and transfer data through network connections. Server 20 includes a chassis 24 in which most of the server's hardware components are housed. The chassis 24 includes a front panel 32, which is the side panel of the chassis 24 that is closest to the user when the server 20 is properly installed (eg, in a rack rack). Compared to the rear panel (not shown) of the server 20, the front panel 32 is more easily directly accessible by a user and has various ports and / or switches (not shown) for user access. In particular, as figure 1 As shown, two storage bays 22 are disposed on the front panel 32 . Each storage bay 22 is compatible with NVMe SSD, such as a 2.5-inch hot-swappab...

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PUM

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Abstract

An information processing device is adapted to simulate a remote storage device as a local storage device. The information processing device includes a chassis, a storage device bracket located on thechassis, and an interface device removably mounted in the storage device bracket. The interface device is adapted to connect to a remote storage device and simulate it as a local storage drive so that the remote storage device can be accessed through the storage device bracket. Management firmware can access the remote storage device (e.g., an NVMeOF volume) as if local storage devices with the same features, performance, and convenience are accessed.

Description

technical field [0001] The present invention relates to a storage device in a computer, in particular to the computer's connection and access to a remote storage device. Background technique [0002] NVMe (NVM Express or Non-Volatile Memory Host Controller Interface Specification) is also rapidly replacing SCSI / SATA on servers as the enterprise IT industry adopts Solid State Storage (SSD) for improved performance and lower power / thermal footprint / SAS is the preferred protocol to access the local SSD with the native throughput capacity of the PCIe bus. Meanwhile, the NVMe over Network (Fabric) protocol (NVMeOF) is establishing its position as the block storage sharing protocol of choice, replacing existing IP-based SCSI (iSCSI) and the widely used Fiber Channel-based SCSI (aka SAN) , to access the shared SSD storage cluster. [0003] To get the full performance potential of NVMeOF, it requires a reliable network transmission of at least 25Gbps or higher. Servers today typ...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0664G06F3/0679
Inventor 杨少辉高志鹏格雷戈里·华莱士·罗斯
Owner LENOVO ENTERPRISE SOLUTIONS SINGAPORE
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