Hierarchical prioritized charging for battery backup units on computing data centers

• US 10,353,452 B2
• Filed: 01/27/2017
• Issued: 07/16/2019
• Est. Priority Date: 01/27/2017
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Elizov, Ofir, Fluman, Mudi M., Nabutovsky, Igor, Shiran, Yehuda
• Primary Examiner(s): Dinh, Paul
• Application Number:
  US15/417,988
• Publication Number:
  US 20180217649A1
• Time in Patent Office: 900 Days
• Field of Search: 320106
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: G06F 1/263 Arrangements for using multiple switchable power supplies, e.g. battery and AC G06F1/30 takes precedence
• CPC Class Codes: G06F 1/30 Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations for resetting only G06F1/24
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: H02J 9/061 for DC powered loads

Abstract

A method for prioritized charging of battery backup units (BBUs) is provided. The method may include identifying critical system racks associated with computing data centers based on characteristics associated with the system racks on the computing data centers. The method may also include identifying critical system enclosures associated with the identified critical system racks based on system architectures associated with the computing data centers. The method may further include prioritizing the identified critical system enclosures based on parameters associated with the identified critical system enclosures. The method may also include identifying and ranking a plurality of critical BBUs associated with the identified and prioritized critical system enclosures based on prioritized charging rules associated with the plurality of critical BBUs. The method may further include charging the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules.

Claims

1. A method for prioritized charging of battery backup units (BBUs), the method comprising:

identifying a plurality of critical system racks associated with at least one computing data center based on a plurality of characteristics associated with a plurality of system racks on the at least one computing data center;

identifying a plurality of critical system enclosures associated with the identified plurality of critical system racks based on a system architecture associated with the at least one computing data center;

prioritizing the identified plurality of critical system enclosures based on a plurality of parameters associated with the identified plurality of critical system enclosures;

identifying and ranking a plurality of critical BBUs associated with the identified and prioritized plurality of critical system enclosures based on prioritized charging rules associated with the plurality of critical BBUs; and

charging the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules.

2. The method of claim 1, wherein the at least one computing data center comprises a hierarchical computing system comprising the plurality of system racks, wherein the plurality of system racks includes a plurality of system enclosures, and wherein the plurality of system enclosures includes a plurality of BBUs.

3. The method of claim 1, wherein the plurality of critical system enclosures includes a plurality of computers and servers.

4. The method of claim 1, wherein prioritizing the identified plurality of critical system enclosures based on a plurality of parameters further comprises:

ranking the plurality of critical system enclosures based on the plurality of parameters, wherein the plurality of parameter is based on a group consisting of a CPU performance, a dual in-line memory module (DIMM) size, a state of charge associated with at least one BBU on the plurality of critical system enclosures, and a battery age associated with the at least one BBU.

5. The method of claim 4, wherein identifying the plurality of critical BBUs further comprises:

identifying the plurality of critical BBUs based on a state of charge associated with a plurality of BBUs on the plurality of critical system enclosures and based on a battery age associated with the plurality of BBUs.

6. The method of claim 1, wherein the prioritized charging rules further comprises:

a first prioritized charging rule that includes prioritized charging of a first set of critical BBUs associated with the plurality of critical BBUs over a second set of critical BBUs associated with the plurality of critical BBUs based on a state of charge of the plurality of critical BBUs, wherein the first set of critical BBUs includes a higher state of charge than the second set of critical BBUs; and

a second prioritized charging rule that includes, in response to the plurality of critical BBUs associated with the first set of critical BBUs and the second set of critical BBUs having a same state of charge, prioritized charging of the first set of critical BBUs and the second set of critical BBUs based on a battery age associated with the plurality of critical BBUs.

7. The method of claim 6, wherein charging the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules further comprises:

charging first the first set of critical BBUs then charging the second set of critical BBUs based on the prioritized charging rules, wherein the first set of critical BBUs and the second set of critical BBUs includes the identified and ranked plurality of critical BBUs.

8. A computer system for prioritized charging of battery backup units (BBUs), comprising:

one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage devices, and program instructions stored on at least one of the one or more storage devices for execution by at least one of the one or more processors via at least one of the one or more memories, wherein the computer system is capable of performing a method comprising;

identifying a plurality of critical system racks associated with at least one computing data center based on a plurality of characteristics associated with a plurality of system racks on the at least one computing data center;

identifying a plurality of critical system enclosures associated with the identified plurality of critical system racks based on a system architecture associated with the at least one computing data center;

prioritizing the identified plurality of critical system enclosures based on a plurality of parameters associated with the identified plurality of critical system enclosures;

identifying and ranking a plurality of critical BBUs associated with the identified and prioritized plurality of critical system enclosures based on prioritized charging rules associated with the plurality of critical BBUs; and

charging the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules.

9. The computer system of claim 8, wherein the at least one computing data center comprises a hierarchical computing system comprising the plurality of system racks, wherein the plurality of system racks includes a plurality of system enclosures, and wherein the plurality of system enclosures includes a plurality of BBUs.

10. The computer system of claim 8, wherein the plurality of critical system enclosures includes a plurality of computers and servers.

11. The computer system of claim 8, wherein prioritizing the identified plurality of critical system enclosures based on a plurality of parameters further comprises:

ranking the plurality of critical system enclosures based on the plurality of parameters, wherein the plurality of parameter is based on a group consisting of a CPU performance, a dual in-line memory module (DIMM) size, a state of charge associated with at least one BBU on the plurality of critical system enclosures, and a battery age associated with the at least one BBU.

12. The computer system of claim 8, wherein identifying the plurality of critical BBUs further comprises:

identifying the plurality of critical BBUs based on a state of charge associated with a plurality of BBUs on the plurality of critical system enclosures and based on a battery age associated with the plurality of BBUs.

13. The computer system of claim 8, wherein the prioritized charging rules further comprises:

a first prioritized charging rule that includes prioritized charging of a first set of critical BBUs associated with the plurality of critical BBUs over a second set of critical BBUs associated with the plurality of critical BBUs based on a state of charge of the plurality of critical BBUs, wherein the first set of critical BBUs includes a higher state of charge than the second set of critical BBUs; and

a second prioritized charging rule that includes, in response to the plurality of critical BBUs associated with the first set of critical BBUs and the second set of critical BBUs having a same state of charge, prioritized charging of the first set of critical BBUs and the second set of critical BBUs based on a battery age associated with the plurality of critical BBUs.

14. The computer system of claim 13, wherein charging the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules further comprises:

charging first the first set of critical BBUs then charging the second set of critical BBUs based on the prioritized charging rules, wherein the first set of critical BBUs and the second set of critical BBUs includes the identified and ranked plurality of critical BBUs.

15. A computer program product for prioritized charging of battery backup units (BBUs), comprising:

one or more computer-readable storage devices and program instructions stored on at least one of the one or more tangible storage devices, the program instructions executable by a processor, the program instructions comprising;

program instructions to identify a plurality of critical system racks associated with at least one computing data center based on a plurality of characteristics associated with a plurality of system racks on the at least one computing data center;

program instructions to identify a plurality of critical system enclosures associated with the identified plurality of critical system racks based on a system architecture associated with the at least one computing data center;

program instructions to prioritize the identified plurality of critical system enclosures based on a plurality of parameters associated with the identified plurality of critical system enclosures;

program instructions to identify and rank a plurality of critical BBUs associated with the identified and prioritized plurality of critical system enclosures based on prioritized charging rules associated with the plurality of critical BBUs; and

program instructions to charge the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules.

16. The computer program product of claim 15, wherein the at least one computing data center comprises a hierarchical computing system comprising the plurality of system racks, wherein the plurality of system racks includes a plurality of system enclosures, and wherein the plurality of system enclosures includes a plurality of BBUs.

17. The computer program product of claim 15, wherein the program instructions to prioritize the identified plurality of critical system enclosures based on a plurality of parameters further comprises:

program instructions to rank the plurality of critical system enclosures based on the plurality of parameters, wherein the plurality of parameter is based on a group consisting of a CPU performance, a dual in-line memory module (DIMM) size, a state of charge associated with at least one BBU on the plurality of critical system enclosures, and a battery age associated with the at least one BBU.

18. The computer program product of claim 15, wherein the program instructions to identify the plurality of critical BBUs further comprises:

program instructions to identify the plurality of critical BBUs based on a state of charge associated with a plurality of BBUs on the plurality of critical system enclosures and based on a battery age associated with the plurality of BBUs.

19. The computer program product of claim 15, wherein the prioritized charging rules further comprises:

a first prioritized charging rule that includes prioritized charging of a first set of critical BBUs associated with the plurality of critical BBUs over a second set of critical BBUs associated with the plurality of critical BBUs based on a state of charge of the plurality of critical BBUs, wherein the first set of critical BBUs includes a higher state of charge than the second set of critical BBUs; and

a second prioritized charging rule that includes, in response to the plurality of critical BBUs associated with the first set of critical BBUs and the second set of critical BBUs having a same state of charge, prioritized charging of the first set of critical BBUs and the second set of critical BBUs based on a battery age associated with the plurality of critical BBUs.

20. The computer program product of claim 19, wherein the program instructions to charge the identified and ranked plurality of critical BBUs in an order based on the prioritized charging rules further comprises:

program instructions to charge first the first set of critical BBUs then charge the second set of critical BBUs based on the prioritized charging rules, wherein the first set of critical BBUs and the second set of critical BBUs includes the identified and ranked plurality of critical BBUs.