Local File Replication for Material Testing During Repository Outages
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Solution Overview
Problem
Conventional material testing systems face interruptions in file access when the central data repository becomes inaccessible due to network connectivity issues, disrupting testing operations.
Innovation Solution
Implementing a local data repository to store redundant copies of critical files and periodically synchronize them with the central repository, ensuring continuous testing even during network outages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If files are stored only in a central data repository, then storage space is optimized and file management is simplified, but file access is interrupted when network connectivity is lost
Solution Approach 1:
The patent divides the centralized file storage system into segmented components: local file copies stored on individual testing systems and central repository storage. This segmentation allows testing operations to continue using local files when network connectivity is lost, while still maintaining centralized storage for when connectivity is available, thus resolving the contradiction between access reliability and system complexity.
Solution Approach 2:
The patent implements preliminary action by pre-storing copies of files locally on testing systems before network disconnection occurs. This advance preparation ensures that files are immediately available for testing operations when the network becomes unavailable, eliminating access interruptions without requiring complex real-time synchronization mechanisms.
2Productivity
If local file copies are maintained on testing systems, then file access continues during network outages, but storage space is consumed locally and file synchronization complexity increases
Solution Approach 1:
The patent applies periodic action by implementing scheduled file synchronization between local copies and the central repository. Files are synchronized at specific intervals or upon reconnection to the network, rather than continuously. This approach maintains productivity during outages while managing synchronization time efficiently through periodic updates rather than constant communication.
Solution Approach 2:
The patent uses copying to create local replicas of files needed for testing operations. These copies enable continuous productivity during network outages. The copying mechanism is complemented by periodic synchronization to update copies when changes occur in the central repository, balancing productivity maintenance with minimal synchronization overhead.
3Reliability
If all testing systems connect to a central data repository, then file management is centralized and storage is efficient, but system downtime occurs when the repository is inaccessible
Solution Approach 1:
The patent merges two file access approaches: centralized repository access and local file storage. The system combines the benefits of centralized management with the reliability of local access. Testing systems can operate with local files when needed while maintaining the ability to access and synchronize with the central repository when available, thus improving system availability without significantly complicating file access operations.
Data Source
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AI summary
Described herein are examples of distributed material testing systems that store local copies of selected files/data used for material testing, so that at least some material testing can continue in at least some capacity if a central data repository becomes inaccessible. In some examples, during normal operation, files/data used for material testing are stored in the central data repository so that the several material testing systems connected to the central data repository can each use the same files/data. However, if access to the central data repository becomes temporarily interrupted, the local file/data copies may be used by a local material testing system to conduct material tests.