Modular Virtual Hard Disk Life Cycle Enforcement
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Solution Overview
Problem
Existing virtualization technologies fail to effectively enforce life cycle rules and manage logical functionalities in modularized virtualization topologies, leading to instability and inefficiencies in resource management and maintenance.
Innovation Solution
The implementation of a modularized virtualization topology using virtual hard disks (VHDs) that encapsulate logical functionalities, allowing for the enforcement of life cycle rules through the mounting and dis-mounting of VHDs, and the use of a storage manager to redirect access requests and manage inter-VHD relations, ensuring that each VHD contains a single logical functionality or data set without unrelated files.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If virtualization technologies are used to share physical resources among virtual machines, then resource utilization efficiency is improved, but life cycle rule enforcement and logical functionality management become ineffective leading to system instability
Solution Approach 1:
The patent segments the virtualization storage system into modular Virtual Hard Disk (VHD) components, where each VHD encapsulates a specific logical functionality or data set. This segmentation allows independent management, mounting, and dismounting of individual VHDs without affecting other parts of the system, thereby enforcing life cycle rules and maintaining system stability while preserving resource utilization efficiency.
2Ease of repair
If virtual hard disks are modularized to encapsulate single logical functionalities, then ease of maintenance and upgrading is improved, but device complexity increases due to additional management overhead
Solution Approach 1:
The patent implements a universal storage manager component that handles multiple management tasks including VHD creation, mounting, dismounting, and life cycle rule enforcement. This universal manager reduces the need for separate specialized tools for each management task, thereby simplifying the overall management process despite the modularized structure, and improves ease of maintenance and upgrading.
3Reliability
If access requests are redirected through a storage manager in modularized topology, then resource conflict prevention is improved, but processing time increases due to additional redirection steps
Solution Approach 1:
The storage manager performs preliminary actions by pre-establishing mounting rules and life cycle policies for VHDs before access requests occur. When VHDs are mounted or accessed, the storage manager has already configured the appropriate rules and relationships, allowing rapid conflict detection and prevention without adding significant processing time to each access request.
Data Source
AI summary
Methods, apparatus and articles of manufacture are disclosed to enforce life cycle rules in a modularized virtualization topology using virtual hard disks. An example method includes, in response to a request to access a first virtual hard disk in a virtual computing environment, identifying, with a processor, a life cycle stage. The example method also includes determining, with the processor, whether a condition associated with the life cycle stage applies to the first virtual hard disk. The example method also includes refusing, with the processor, to mount, refusing to dis-mount, mounting or dis-mounting the first virtual hard disk if the condition is satisfied.


