Invention Grant
- Patent Title: Software upgrade and disaster recovery on a computing device
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Application No.: US15279971Application Date: 2016-09-29
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Publication No.: US10606605B2Publication Date: 2020-03-31
- Inventor: Deepak Arora , Kevin Meier , Timothy Perrett
- Applicant: Verizon Patent and Licensing Inc.
- Applicant Address: US NJ Basking Ridge
- Assignee: Verizon Patent and Licensing, Inc.
- Current Assignee: Verizon Patent and Licensing, Inc.
- Current Assignee Address: US NJ Basking Ridge
- Main IPC: G06F9/44
- IPC: G06F9/44 ; G06F9/4401 ; G06F8/65

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.
Public/Granted literature
- US20180088963A1 SOFTWARE UPGRADE AND DISASTER RECOVERY ON A COMPUTING DEVICE Public/Granted day:2018-03-29
Information query