SOFTWARE UPGRADE AND DISASTER RECOVERY ON A COMPUTING DEVICE

• US 20180088963A1
• Filed: 09/29/2016
• Published: 03/29/2018
• Est. Priority Date: 09/29/2016
• Status: Active Grant

• Current Assignee: Verizon Patent and Licensing Incorporated (Verizon Communications Inc.)
• Original Assignee: Verizon Patent and Licensing Incorporated (Verizon Communications Inc.)
• Inventors: Arora, Deepak, Meier, Kevin, Perrett, Timothy
• Granted Patent: US 10,606,605 B2
• Time in Patent Office: Days
• CPC Class Codes: G06F 8/65 Updates security arrangements therefor G06F21/57
• CPC Class Codes: G06F 9/4406 Loading of operating system
• CPC Class Codes: G06F 9/4408 Boot device selection

Abstract

A method, a device, and a non-transitory storage medium provide to store a boot loader that includes a first stage boot loader and a second stage boot loader, and wherein the first stage boot loader is not upgradeable and the second stage boot loader is upgradeable; store a first operating system and a second operating system, wherein the first operating system is a main operating system and the second operating system is an operating system that is executed only when a disaster recovery service is invoked; execute the first stage boot loader during a boot-up of the device; determine whether the disaster recovery service is invoked during the execution of the first stage boot loader; load the second stage boot loader in response to a determination that the disaster recovery service is invoked; and determine whether an upgraded second stage boot loader is stored at the device in response to a determination that the disaster recovery service is not invoked.

Claims

1. A method comprising:

storing, by a device, a boot loader that includes a first stage boot loader and a second stage boot loader, and wherein the first stage boot loader is not upgradeable and the second stage boot loader is upgradeable;

storing, by the device, a first operating system and a second operating system, wherein the first operating system is a main operating system and the second operating system is an operating system that is executed only when a disaster recovery service is invoked;

executing, by a device, the first stage boot loader during a boot-up of the device;

determining, by the device, whether the disaster recovery service is invoked;

loading, by the device, the second stage boot loader in response to determining that the disaster recovery service is invoked; and

determining, by the device, whether an upgraded second stage boot loader is stored at the device in response to determining that the disaster recovery service is not invoked.

2. The method of claim 1, further comprising:

executing, by the device, the second stage boot loader in response to the loading;

again determining, by the device, whether the disaster recovery service is invoked; and

executing, by the device, the second operating system in response to again determining that the disaster recovery service is invoked.

3. The method of claim 2, further comprising:

downloading, by the device, the upgraded second stage boot loader and an upgraded operating system relative to the first operating system;

storing, by the device, the upgraded second stage boot loader and the upgraded operating system; and

updating, by the device, a file, wherein the file indicates that the upgraded second stage boot loader and the upgraded operating system is available for execution during a next boot-up of the device.

4. The method of claim 3, wherein the downloading and the storing of the upgraded second stage boot loader and the upgraded operating system is executed by the second operating system.

5. The method of claim 1, further comprising:

loading, by the device, the second stage boot loader in response to determining that the upgraded second stage boot loader is not stored at the device.

6. The method of claim 1, further comprising:

storing, by the device, the upgraded second stage boot loader; and

executing, by the device, the upgraded second stage boot loader in response to determining that the upgraded second stage boot loader is stored at the device.

7. The method of claim 6, further comprising:

storing, by the device, a third operating system that includes an upgraded operating system relative to the first operating system; and

loading, by the device and during the execution of the upgraded second stage boot loader, the third operating system.

8. The method of claim 1, wherein determining whether the disaster recovery service is invoked further comprises at least one of:

detecting, by the first stage boot loader, whether a button is in a depressed position, wherein the depressed position of the button indicates that the disaster recovery service is invoked;

or

reading, by the first stage boot loader, a file that indicates whether the disaster recovery service was invoked during a previous operating cycle of the device.

9. A device comprising:

a communication interface;

a memory, wherein the memory stores instructions; and

a processor, wherein the processor executes the instructions to;

store a boot loader that includes a first stage boot loader and a second stage boot loader, and wherein the first stage boot loader is not upgradeable and the second stage boot loader is upgradeable;

store a first operating system and a second operating system, wherein the first operating system is a main operating system and the second operating system is an operating system that is executed only when a disaster recovery service is invoked;

execute the first stage boot loader during a boot-up of the device;

determine whether the disaster recovery service is invoked during the execution of the first stage boot loader;

load the second stage boot loader in response to a determination that the disaster recovery service is invoked; and

determine whether an upgraded second stage boot loader is stored at the device in response to a determination that the disaster recovery service is not invoked.

10. The device of claim 9, wherein the processor further executes the instructions to:

execute the second stage boot loader in response to the load of the second stage boot loader;

again determine whether the disaster recovery service is invoked; and

execute the second operating system in response to an again determination that the disaster recovery service is invoked.

11. The device of claim 10, wherein the processor further executes the instructions to:

download, via the communication interface, the upgraded second stage boot loader and an upgraded operating system relative to the first operating system;

store the upgraded second stage boot loader and the upgraded operating system; and

update a file, wherein the file indicates that the upgraded second stage boot loader and the upgraded operating system is available for execution during a next boot-up of the device.

12. The device of claim 11, wherein the download and the storage of the upgraded second stage boot loader and the upgraded operating system is executed by the second operating system.

13. The device of claim 9, wherein the processor further executes the instructions to:

load the second stage boot loader in response to determination that the upgraded second stage boot loader is not stored at the device.

14. The device of claim 9, wherein the processor further executes the instructions to:

store the upgraded second stage boot loader; and

execute the upgraded second stage boot loader in response to a determination that the upgraded second stage boot loader is stored at the device.

15. The device of claim 14, wherein the processor further executes the instructions to:

store a third operating system that includes an upgraded operating system relative to the first operating system; and

load, during the execution of the upgraded second stage boot loader, the third operating system.

16. A non-transitory, computer-readable storage medium storing instructions executable by a processor of a computational device, which when executed cause the computational device to:

store a boot loader that includes a first stage boot loader and a second stage boot loader, and wherein the first stage boot loader is not upgradeable and the second stage boot loader is upgradeable;

store a first operating system and a second operating system, wherein the first operating system is a main operating system and the second operating system is an operating system that is executed only when a disaster recovery service is invoked;

execute the first stage boot loader during a boot-up of the computational device;

determine whether the disaster recovery service is invoked during the execution of the first stage boot loader;

load the second stage boot loader in response to a determination that the disaster recovery service is invoked; and

determine whether an upgraded second stage boot loader is stored at the computational device in response to a determination that the disaster recovery service is not invoked.

17. The non-transitory, computer-readable storage medium of claim 16, wherein the instructions further comprise instructions to:

execute the second stage boot loader in response to the load of the second stage boot loader;

again determine whether the disaster recovery service is invoked; and

execute the second operating system in response to an again determination that the disaster recovery service is invoked.

18. The non-transitory, computer-readable storage medium of claim 16, wherein the instructions further comprise instructions to:

execute the second stage boot loader in response to the load of the second stage boot loader;

again determine whether the disaster recovery service is invoked; and

execute the second operating system in response to an again determination that the disaster recovery service is invoked.

19. The non-transitory, computer-readable storage medium of claim 18, wherein the instructions further comprise instructions to:

download the upgraded second stage boot loader and an upgraded operating system relative to the first operating system;

store the upgraded second stage boot loader and the upgraded operating system; and

update a file, wherein the file indicates that the upgraded second stage boot loader and the upgraded operating system is available for execution during a next boot-up of the computational device.

20. The non-transitory, computer-readable storage medium of claim 16, wherein the instructions further comprise instructions to:

store the upgraded second stage boot loader;

execute the upgraded second stage boot loader in response to a determination that the upgraded second stage boot loader is stored at the computational device;

store a third operating system that includes an upgraded operating system relative to the first operating system; and

load, during the execution of the upgraded second stage boot loader, the third operating system.