ADJUSTABLE PERFORMANCE PARAMETERS FOR SSDS

• US 20190243567A1
• Filed: 03/13/2018
• Published: 08/08/2019
• Est. Priority Date: 02/02/2018
• Status: Active Grant

• Current Assignee: JP Morgan Chase Bank, N.A. (JP Morgan Chase & Co)
• Original Assignee: Western Digital Technologies Incorporated (Western Digital Corporation)
• Inventors: KANKANI, Navneeth, Truong, Linh Tien
• Granted Patent: US 10,642,517 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 12/0246 in block erasable memory, e.g. flash memory
• CPC Class Codes: G06F 2212/1016 Performance improvement
• CPC Class Codes: G06F 2212/7202 Allocation control and policies
• CPC Class Codes: G06F 3/0605 by facilitating the interaction with a user or administrator
• CPC Class Codes: G06F 3/061 Improving I/O performance
• CPC Class Codes: G06F 3/0611 in relation to response time
• CPC Class Codes: G06F 3/0616 in relation to life time, e.g. increasing Mean Time Between Failures [MTBF]
• CPC Class Codes: G06F 3/0629 Configuration or reconfiguration of storage systems
• CPC Class Codes: G06F 3/0632 by initialisation or re-initialisation of storage systems
• CPC Class Codes: G06F 3/0634 by changing the state or mode of one or more devices
• CPC Class Codes: G06F 3/0653 Monitoring storage devices or systems
• CPC Class Codes: G06F 3/0679 Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]

Abstract

Disclosed is a system and method for providing host adjustable performance parameters for SSDs. The method includes accessing a latency profile based on a determined device age of a solid state drive (SSD). The method also includes providing for display a user interface comprising a plurality of interface elements to adjust a respective plurality of performance specifications of the SSD, wherein the user interface is configured based on the latency profile. The method also includes receiving, via the user interface, an adjustment to the plurality of performance specifications. The method also includes sending an instruction to the SSD to configure the SSD with a parameter set based on the adjusted plurality of performance specifications.

Claims

1. A method comprising:

accessing a latency profile based on a determined device age of a solid state drive (SSD);

providing for display a user interface comprising a plurality of interface elements to adjust a respective plurality of performance specifications of the SSD, wherein the user interface is configured based on the latency profile;

receiving, via the user interface, an adjustment to the plurality of performance specifications; and

sending an instruction to the SSD to configure the SSD with a parameter set based on the adjusted plurality of performance specifications.

2. The method of claim 1, wherein sending the instruction to the SSD includes sending the parameter set to the SSD.

3. The method of claim 1, wherein the latency profile defines valid ranges for the plurality of performance specifications.

4. The method of claim 1, further comprising:

adjusting a second performance specification of the plurality of performance specifications in response to the adjustment to the plurality of performance specifications including a first performance specification.

5. The method of claim 1, wherein the parameter set includes settings for read operations, write operations, or erase operations on the SSD.

6. The method of claim 1, wherein the plurality of performance specifications include a maximum read latency having a specified read latency distribution.

7. A non-transitory machine-readable medium including machine-executable instructions thereon that, when executed by a processor, perform a method comprising:

accessing a latency profile based on a determined device age of a solid state drive (SSD);

providing for display a user interface comprising a plurality of interface elements to adjust a respective plurality of performance specifications of the SSD, wherein the user interface is configured based on the latency profile;

receiving, via the user interface, an adjustment to the plurality of performance specifications; and

sending an instruction to the SSD to configure the SSD with a parameter set based on the adjusted plurality of performance specifications.

8. The non-transitory machine-readable medium of claim 7, wherein sending the instruction to the SSD includes sending the parameter set to the SSD.

9. The non-transitory machine-readable medium of claim 7, wherein the latency profile defines valid ranges for the plurality of performance specifications.

10. The non-transitory machine-readable medium of claim 7, further comprising:

adjusting a second performance specification of the plurality of performance specifications in response to the adjustment to the plurality of performance specifications including a first performance specification.

11. The non-transitory machine-readable medium of claim 7, wherein the parameter set includes settings for read operations, write operations, or erase operations on the SSD.

12. The non-transitory machine-readable medium of claim 7, wherein the plurality of performance specifications include a maximum read latency having a specified read latency distribution.

13. A system, comprising:

a processor;

a memory media having instructions stored thereon that, when executed by the processor, cause the processor to;

access a latency profile based on a determined device age of a solid state drive (SSD);

provide for display a user interface comprising a plurality of interface elements to adjust a respective plurality of performance specifications of the SSD, wherein the user interface is configured based on the latency profile;

receive, via the user interface, an adjustment to the plurality of performance specifications; and

send an instruction to the SSD to configure the SSD with a parameter set based on the adjusted plurality of performance specifications.

14. The system of claim 13, wherein the instructions cause the processor to send the instruction comprising the parameter set to the SSD.

15. The system of claim 13, wherein instructions cause the processor to configure the user interface based on the latency profile to define valid ranges for the plurality of performance specifications.

16. The system of claim 13, wherein instructions further cause the processor to:

adjust a second performance specification of the plurality of performance specifications in response to the adjustment to the plurality of performance specifications including a first performance specification.

17. The system of claim 13, wherein the parameter set includes settings for read operations, write operations, or erase operations on the SSD.

18. The system of claim 13, wherein the plurality of performance specifications include a maximum read latency having a specified read latency distribution.

19. A system comprising:

means for accessing a latency profile based on a determined device age of a solid state drive (SSD);

means for providing for display a user interface comprising a plurality of interface elements to adjust a respective plurality of performance specifications of the SSD, wherein the user interface is configured based on the latency profile;

means for receiving, via the user interface, an adjustment to the plurality of performance specifications; and

means for sending an instruction to the SSD to configure the SSD with a parameter set based on the adjusted plurality of performance specifications.

20. The system of claim 19, wherein the means for sending the instruction to the SSD includes the parameter set in the instruction.

21. The system of claim 19, further comprising:

means for adjusting a second performance specification of the plurality of performance specifications in response to the adjustment to the plurality of performance specifications including a first performance specification.

22. The system of claim 19, wherein the latency profile defines valid ranges for the plurality of performance specifications.

23. The system of claim 19, wherein the parameter set includes settings for read operations, write operations, or erase operations on the SSD.

24. The system of claim 19, wherein the plurality of performance specifications include a maximum read latency having a specified read latency distribution.

25. A data storage system comprising:

non-volatile memory;

a controller configured to;

receive an instruction from a host to configure the data storage system with a parameter set based on a plurality of specified performance specifications;

determine the parameter set that achieves the plurality of performance specifications; and

configure the data storage system based on the parameter set.

26. The data storage system of claim 25, wherein the plurality of specified performance specifications includes a maximum read latency having a specified read latency distribution.

27. The data storage system of claim 25, wherein determining the parameter set includes selecting the parameter set from a latency profile based on a determined device age of the non-volatile memory.

28. The data storage system of claim 25, wherein configuring the data storage system includes settings for a read operation, a write operation, or an erase operation on the non-volatile memory.

29. A method comprising:

receiving an instruction from a host to configure a solid state drive (SSD) with a parameter set based on a plurality of specified performance specifications;

determining the parameter set that achieves the plurality of specified performance specifications; and

configuring a data storage system based on the parameter set.

30. The method of claim 29, wherein the plurality of specified performance specifications includes a maximum read latency having a specified read latency distribution.

31. The method of claim 29, wherein determining the parameter set includes selecting the parameter set from a latency profile based on a determined device age of the data storage system.

32. The method of claim 29, wherein configuring the data storage system includes settings for a read operation, a write operation, or an erase operation.