Virtual Machine Link Relation Management
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Solution Overview
Problem
In virtual machine management, operators struggle to determine whether a virtual machine has been migrated or deleted without specific investigation, as existing systems lack clear link relation updates between virtual machine hosts and guests, making it difficult for other operators to track changes.
Innovation Solution
A management server with a database updates link relation information by disconnecting links between virtual machine hosts and guests if information cannot be acquired, and reconnects or registers new links based on acquired information, enabling clear tracking of virtual machine migrations and deletions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If link relation information is not updated after virtual machine migration or deletion, then the database maintains simple structure, but operators cannot determine whether virtual machines have been migrated or deleted without specific investigation
Solution Approach 1:
The system implements automatic feedback by periodically checking whether virtual machine guests can be acquired from their linked hosts. When a guest cannot be acquired, the system automatically updates the link relation in the database to reflect migration or deletion, ensuring status information is maintained without manual intervention
Solution Approach 2:
The management server performs self-service by automatically detecting link relation changes through acquisition attempts and updating its own database accordingly. This eliminates the need for manual tracking while maintaining accurate virtual machine status information
2Measurement precision
If operators investigate specifically to determine virtual machine migration or deletion status, then accurate status information can be obtained, but administrative effort and time are increased
Solution Approach 1:
The system performs preliminary actions by continuously maintaining updated link relation information in the database through automatic acquisition checks. This preliminary updating eliminates the need for operators to perform time-consuming investigations, as status information is already accurate and current
Solution Approach 2:
Automatic feedback mechanisms continuously verify virtual machine guest acquisition status and update link relations accordingly, providing real-time status information without requiring operator intervention or investigation time
3Reliability
If link relation information is automatically updated based on acquisition status, then accurate virtual machine status tracking is achieved, but system complexity and processing overhead increase
Solution Approach 1:
The management server implements self-service by automatically detecting acquisition failures and updating its own database. This self-updating mechanism ensures high reliability of link relation information while keeping the processing logic contained within a single system component rather than requiring complex distributed coordination
Data Source
AI summary
A method for managing virtual machines, the method causing a management server having a database includes link relation information and connected to a plurality of physical servers, on which virtual machine hosts are installed, the method includes updating the link relation information in such a manner that a link between a virtual machine host and a first virtual machine guest is disconnected, when information regarding the first virtual machine guest cannot be acquired from the virtual machine host and updating the link relation information stored in such a manner that a link between a virtual machine host and a second virtual machine guest, when information regarding the second virtual machine guest is acquired from the virtual machine host.