Virtual computational storage devices

Patent metadata

Field	Value
Publication number	US-2022391148-A1
Application number	US-202117351114-A
Country	US
Kind code	A1
Filing date	Jun 17, 2021
Priority date	Jun 2, 2021
Publication date	Dec 8, 2022
Grant date	—

Abstract

A system includes a virtual computational storage emulation module configured to provide a virtual computational storage device. The system further includes a storage element, where the virtual computational storage emulation module is configured to store data associated with the virtual computational storage device at the storage element. The system further includes a compute element. The virtual computational storage emulation module is configured to send a compute request associated with the virtual computational storage device to the compute element.

First claim

What is claimed is:

1 . A system comprising:
a virtual computational storage emulation module configured to provide a virtual computational storage device; a storage element, wherein the virtual computational storage emulation module is configured to store data associated with the virtual computational storage device at the storage element; and a compute element, wherein the virtual computational storage emulation module is configured to send a compute request associated with the virtual computational storage device to the compute element.

2 . The system of claim 1 , wherein the storage element comprises a solid state drive, and wherein the storage element and the compute element correspond to components of a computational storage device.

3 . The system of claim 1 , wherein the storage element and the compute element correspond to components of a server device.

4 . The system of claim 1 , wherein the storage element corresponds to a component of a storage device, and wherein the compute element corresponds to a component of a device distinct from the storage device.

5 . The system of claim 1 , wherein the virtual computational storage emulation module is further configured to advertise availability of the virtual computational storage device.

6 . The system of claim 1 , wherein the system further includes a second storage element, wherein the virtual computational storage emulation module is configured to store second data associated with the virtual computational storage device at the second storage element.

7 . The system of claim 6 , wherein a first address range of the virtual computational storage device is associated with the storage element, wherein a second address range of the virtual computational storage device is associated with the second storage element, and wherein the virtual computational storage emulation module is configured to:
store the data at the storage element in response to a first request to store the data indicating the first address range; and store the second data at the second storage element in response to a second request to store the second data indicating the second address range.

8 . The system of claim 6 , wherein the virtual computational storage emulation module is configured to select the second storage element to store the second data based on a load balancing algorithm.

9 . The system of claim 1 , wherein the system further includes a second compute element, wherein the virtual computational storage emulation module is configured to send a second compute request associated with the virtual computational storage device to the second compute element.

10 . The system of claim 9 , wherein the virtual computational storage emulation module is configured to select the second compute element for the second compute request based on an address of data associated with the second compute request.

11 . The system of claim 9 , wherein the virtual computational storage emulation module is configured to select the second compute element for the second compute request based on a load balancing algorithm.

12 . The system of claim 1 , wherein the virtual computational storage emulation module is further configured to provide a second virtual computational storage device.

13 . The system of claim 12 , wherein the virtual computational storage emulation module is further configured to store second data associated with the second virtual computational storage device at the storage element.

14 . The system of claim 12 , wherein the virtual computational storage emulation module is configured to send a second compute request associated with the second virtual computational storage device to the compute element.

15 . A method comprising:
providing, at a virtual computational storage device emulation module, a virtual computational storage device, wherein data associated with the virtual computational storage device is stored at a storage element; receiving, at the virtual computational storage device emulation module, a compute request for the virtual storage device; and sending a translation of the compute request to a compute element.

16 . The method of claim 15 , wherein sending the translation of the compute request includes translating an address of the virtual computational storage device identified by the compute request to a translated address of the storage element.

17 . The method of claim 15 , wherein sending the translation of the compute request includes translating the compute request from a first protocol to a second protocol.

18 . The method of claim 15 , further comprising:
receiving a storage request identifying a first address of the virtual computational storage device; and sending a translated storage request to the storage element, the translated request identifying a translated address of the storage element.

19 . A system comprising:
a compute element of a first device; a storage element of a second device; a computational storage client; and a processor configured to:
receive a compute request from the computational storage client;
send a translation of the compute request to the compute element of the first device;
receive a storage request from the computational storage client; and
send a translation of the storage request to the storage element of the second device.

20 . The system of claim 19 , wherein the compute element corresponds to a field programmable gate array (FPGA).

Assignees

• Samsung Electronics Co Ltd

Inventors

• Venkataraman Gayathiri
• MARAM Vishwanath
• Bryson Matthew Shaun

Classifications

• G06F3/0664 Primary

  at device level, e.g. emulation of a storage device or system · CPC title

• G06F3/0635

  by changing the path, e.g. traffic rerouting, path reconfiguration · CPC title

• G06F3/0604

  Improving or facilitating administration, e.g. storage management · CPC title

• G06F3/0659

  Command handling arrangements, e.g. command buffers, queues, command scheduling · CPC title

• G06F3/0679

  Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP] · CPC title