Agent Lifecycle Management for Backup Applications
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Solution Overview
Problem
Current backup and restore applications face challenges in managing the lifecycle of application agents across multiple hosts, including inconsistent states, lack of rollback capabilities, and labor-intensive manual processes, which can lead to errors and inefficiencies during updates and decommissioning.
Innovation Solution
A centralized system for agent lifecycle management that selects and updates application hosts in parallel, registers and unregisters agents, and decommissions hosts, using a rollback framework to maintain consistency and automate processes, thereby reducing manual intervention and ensuring proper state management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual update process is used for application agents, then installation can be performed with simple procedures, but the process is labor-intensive and time-consuming
Solution Approach 1:
The system enables application hosts to automatically download, install, and register application agents without manual intervention. The hosts self-configure and self-update by communicating with the backup and restore application, eliminating the need for administrators to manually log into each host and perform installation steps.
Solution Approach 2:
The system performs preliminary checks to determine which application hosts meet installation requirements before initiating the update process. This pre-assessment ensures that updates are only attempted on suitable hosts, preventing failures and reducing manual troubleshooting.
2Reliability
If application hosts are updated individually, then each host can be updated carefully, but the overall update process takes hours
Solution Approach 1:
The system merges multiple individual update operations into a single coordinated process. It selects multiple application hosts that meet installation requirements and updates them simultaneously through parallel execution, reducing total update time from hours to minutes while maintaining control through centralized management.
Solution Approach 2:
The system dynamically adjusts the update process by monitoring the state of each application host and adapting the update strategy accordingly. It can pause, resume, or rollback updates based on real-time conditions, ensuring reliability while maximizing throughput through parallel operations.
3Device complexity
If application agents are updated without rollback capability, then the update process is simpler, but errors can leave hosts in unusable states
Solution Approach 1:
The system implements a rollback framework that prepares recovery mechanisms before updates are applied. It maintains previous working states and can automatically restore hosts if updates fail, preventing unusable states while keeping the update process simple for administrators.
Solution Approach 2:
The system continuously monitors the state of application hosts during updates and provides feedback to the management application. This feedback mechanism enables real-time detection of update failures and triggers automated rollback procedures, ensuring host reliability without complicating the user interface.
4Ease of manufacture
If manual logging into each application host is required, then security can be carefully managed, but the process is labor-intensive
Solution Approach 1:
Application hosts automatically authenticate and download application agent software packages from the backup and restore application without requiring manual logging in by administrators. The system handles security credentials and authentication processes automatically, reducing operational effort while maintaining security controls.
Solution Approach 2:
The backup and restore application serves as an intermediary between administrators and application hosts. It manages the secure distribution of software packages, handles authentication, and coordinates updates, eliminating the need for administrators to directly log into each host while maintaining security oversight.
Data Source
AI summary
Agent lifecycle management for backup and restore applications is described. A system enables selection of application hosts, each of which meets installation requirements for installing instances of application agents from a backup and restore application, then downloads, in parallel, the instances of the application agent to the corresponding selected application hosts. The system installs, in parallel, the instances of the application agent in the corresponding selected application hosts, then registers, in parallel, the instances of the application agent with the backup and restore application. The system subsequently initiates sessions which download and install, in parallel, an update in instances of the application agent in in corresponding application hosts. The system unregisters at least one of the instances of the application agent, in at least one application host, from the backup and restore application. The system decommissions the at least one application host from protection by the backup and restore application.