STORAGE DYNAMIC ACCESSIBILITY MECHANISM METHOD AND APPARATUS

• US 20180288152A1
• Filed: 04/01/2017
• Published: 10/04/2018
• Est. Priority Date: 04/01/2017
• Status: Abandoned Application

• Current Assignee: Intel Corporation
• Original Assignee: Anjaneya R. Chagam Reddy
• Inventors: CHAGAM REDDY, ANJANEYA R., Kumar, Mohan J., Gohad, Tushar
• Application Number:
  US15/477,065
• Publication Number:
  US 20180288152A1
• Time in Patent Office: Days
• CPC Class Codes: G06F 3/061 Improving I/O performance
• CPC Class Codes: G06F 3/0622 in relation to access
• CPC Class Codes: G06F 3/0631 by allocating resources to storage systems
• CPC Class Codes: G06F 3/0635 by changing the path, e.g. traffic rerouting, path reconfiguration
• CPC Class Codes: G06F 3/0653 Monitoring storage devices or systems
• CPC Class Codes: G06F 3/0659 Command handling arrangements, e.g. command buffers, queues, command scheduling
• CPC Class Codes: G06F 3/067 Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
• CPC Class Codes: H04L 67/1097 for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

Apparatus and method for storage accessibility are disclosed herein. In some embodiments, a compute node may include one or more memories; and one or more processors in communication with the one or more memories, wherein the one or more processors include a module that is to select one or more particular storage devices of a plurality of storage devices distributed over the network in response to a data request made by an application that executes on the one or more processors, the one or more particular storage devices selected to fulfill the data request, and the module selects the one or more particular storage devices in accordance with a data object associated with the data request and one or more of current hardware operational state of respective storage devices of the plurality of storage devices and current performance characteristics of the respective storage devices of the plurality of storage devices.

Claims

1. A compute node of a plurality of compute nodes distributed over a network, the compute node comprising:

one or more memories; and

one or more processors in communication with the one or more memories, wherein the one or more processors include a module that is to select one or more particular storage devices of a plurality of storage devices distributed over the network in response to a data request made by an application that executes on the one or more processors, the one or more particular storage devices selected to fulfill the data request, and wherein the module selects the one or more particular storage devices in accordance with a data object associated with the data request and one or more of current hardware operational state of respective storage devices of the plurality of storage devices and current performance characteristics of the respective storage devices of the plurality of storage devices.

2. The compute node of claim 1, wherein the plurality of storage devices comprise solid state drives (SSDs), non-volatile memory (NVM), non-volatile dual in-line memory (DIMM), flash-based storage, or hybrid drives, and wherein the data request comprises a read request or a write request.

3. The compute node of claim 1, wherein the module is to generate and facilitate transmission of one or more submission command capsules associated with the data request to the one or more particular storage devices over the network.

4. The compute node of claim 3, wherein the plurality of storage devices are associated with respective storage nodes of a plurality of storage nodes distributed over the network, and wherein fulfillment of the data request by the one or more particular storage devices avoids storage device selection or submission command capsules generation by the storage nodes of the plurality of storage nodes.

5. The compute node of claim 1, wherein the one or more processors receive the current hardware operational state of the respective storage devices of the plurality of storage devices and the current performance characteristics of the respective storage devices of the plurality of storage devices from one or more racks that house the plurality of storage devices, and wherein the one or more memories are to store the received current hardware operational state and current performance characteristics.

6. The compute node of claim 5, wherein the one or more racks that house the plurality of storage devices automatically detect or obtain the current hardware operational state and the current performance characteristics.

7. The compute node of claim 1, wherein the one or more processors receive, and the one or memories store, current volume group classifications of the respective storage devices of the plurality of storage devices based on particular performance characteristics of the respective storage devices of the plurality of storage devices, current spatial topology information about the respective storage devices of the plurality of storage devices, and current connection and credential information of the respective storage devices of the plurality of storage devices.

8. The compute node of claim 7, wherein the module is to select the one or more particular storage devices in accordance in one or more of the current volume group classifications, current spatial topology information, or current connection and credential information of the respective storage devices of the plurality of storage devices.

9. A computerized method comprising:

in response to a read or write request within a compute node, the compute node selecting one or more particular storage devices of a plurality of storage devices distributed over a network in accordance with a data object associated with the read or write request and one or more of current hardware operational state of respective storage devices of the plurality of storage devices and current performance characteristics of the respective storage devices of the plurality of storage devices, wherein the one or more particular storage devices are to fulfill the read or write request; and

generating and transmitting, by the compute node, one or more submission command capsules associated with the read or write request to the one or more particular storage devices.

10. The method of claim 9, wherein the plurality of storage devices comprise solid state drives (SSDs), non-volatile memory (NVM), non-volatile dual in-line memory (DIMM), flash-based storage, or hybrid drives.

11. The method of claim 9, further comprising receiving one or more completion command response capsule from the one or more particular storage devices upon completed fulfillment of the read or write request.

12. The method of claim 9, further comprising:

receiving, at the compute node, one or more of current volume group classifications of the respective storage devices of the plurality of storage devices based on particular performance characteristics of the respective storage devices of the plurality of storage devices, current spatial topology information about the respective storage devices of the plurality of storage devices, and current connection and credential information of the respective storage devices of the plurality of storage devices; and

storing, at the compute node, the received current volume group classifications, current spatial topology information, and current connection and credential information.

13. The method of claim 12, wherein selecting the one or more particular storage devices comprises selecting the one or more particular storage devices in accordance in one or more of the current volume group classifications, current spatial topology information, or current connection and credential information of the respective storage devices of the plurality of storage devices.

14. An apparatus comprising:

a plurality of storage targets distributed over a network; and

a plurality of compute nodes distributed over the network and in communication with the plurality of compute nodes, wherein a compute node of the plurality of compute nodes includes a module that is to select one or more particular storage targets of the plurality of storage targets in response to a data request made by an application that executes on the compute node, the one or more particular storage targets to match requirements associated with the data request, and wherein the module selects the one or more particular storage targets in accordance with a data object associated with the data request and one or more of current hardware operational state of respective storage targets of the plurality of storage targets and current performance characteristics of the respective storage targets of the plurality of storage targets.

15. The apparatus of claim 14, wherein the module is to generate and facilitate transmission of one or more submission command capsules associated with the data request to the one or more particular storage targets over the network.

16. The apparatus of claim 15, further comprising a plurality of storage nodes distributed over the network and in communication with the plurality of compute nodes and the plurality of storage targets, wherein the plurality of storage targets are associated with respective storage nodes of the plurality of storage nodes, and wherein fulfillment of the data request by the one or more particular storage targets avoids storage target selection or submission command capsules generation by the storage nodes of the plurality of storage nodes.

17. The apparatus of claim 14, wherein the compute node receives the current hardware operational state of the respective storage targets of the plurality of storage targets and the current performance characteristics of the respective storage targets of the plurality of storage targets from one or more racks that house the plurality of storage targets.

18. The apparatus of claim 14, wherein the current hardware operational state of the respective storage targets of the plurality of storage targets comprises a currently operational, currently non-operational, currently in the process of becoming non-operational, or currently out for service status for respective storage targets of the plurality of storage targets.

19. The apparatus of claim 14, wherein the current performance characteristics of the respective storage targets of the plurality of storage targets comprises one or more of current actual drive capacity, current drive speed, current quality of service (QoS), and current drive supported services for respective storage targets of the plurality of storage targets.

20. The apparatus of claim 14, wherein the plurality of storage targets comprise a cluster of storage targets associated with a particular type of cluster service, of a plurality of cluster services, to be performed by the plurality of storage targets.

21. The apparatus of claim 20, wherein the particular type of cluster service comprises one of database service, analytics service, infrastructure services, or object services.

22. An apparatus comprising:

in response to a read or write request within a means for computing, means for selecting one or more particular storage devices of a plurality of storage devices distributed over a network in accordance with a data object associated with the read or write request and one or more of current hardware operational state of respective storage devices of the plurality of storage devices and current performance characteristics of the respective storage devices of the plurality of storage devices, wherein the one or more particular storage devices are to fulfill the read or write request, and the means for selecting is included in the means for computing; and

means for generating and transmitting one or more submission command capsules associated with the read or write request to the one or more particular storage devices.

23. The apparatus of claim 22, wherein the plurality of storage devices comprise solid state drives (SSDs), non-volatile memory (NVM), non-volatile dual in-line memory (DIMM), flash-based storage, or hybrid drives.

24. The apparatus of claim 22, further comprising:

means for receiving the current hardware operational state of the respective storage devices of the plurality of storage devices and the current performance characteristics of the respective storage devices of the plurality of storage devices from one or more racks that house the plurality of storage devices; and

means for storing, at the means for computing, the received current hardware operational state and current performance characteristics.

25. The apparatus of claim 22, further comprising:

means for receiving one or more of current volume group classifications of the respective storage devices of the plurality of storage devices based on particular performance characteristics of the respective storage devices of the plurality of storage devices, current spatial topology information about the respective storage devices of the plurality of storage devices, and current connection and credential information of the respective storage devices of the plurality of storage devices; and

means for storing, at the means for computing, the received current volume group classifications, current spatial topology information, and current connection and credential information.

26. The apparatus of claim 25, wherein the means for selecting the one or more particular storage devices comprises means for selecting the one or more particular storage devices in accordance in one or more of the current volume group classifications, current spatial topology information, or current connection and credential information of the respective storage devices of the plurality of storage devices.