Time-to-Logical-Block-Address Mapping for Storage Retrieval
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Solution Overview
Problem
Current storage systems face inefficiencies in data retrieval, particularly in time-based data access, as they rely on logical addresses and file systems, which can be cumbersome and time-consuming, especially in applications like automotive IoT and surveillance where continuous data storage and rapid incident evaluation are necessary.
Innovation Solution
A storage system with a controller that creates a time-to-logical-block-address map from time information and logical block addresses, allowing for direct data retrieval based on time stamps, thereby bypassing the need for file system dependencies and optimizing data access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a storage system uses traditional logical address and file system methods for data retrieval, then data can be stored and accessed using standard addressing, but data retrieval becomes time-consuming and inefficient, especially for time-based access in applications like automotive IoT and surveillance
Solution Approach 1:
The patent introduces a time-to-logical-block-address mapping table as an intermediary data structure between the time-based access request and the physical storage location. This mapping table acts as a mediator that translates time information directly into logical block addresses, eliminating the need for time-consuming file system operations and enabling direct data retrieval based on time stamps
Solution Approach 2:
The system pre-creates and maintains a time-to-logical-block-address mapping table that establishes the relationship between time information and storage locations in advance. This preliminary action allows the system to directly translate time-based access requests into physical addresses without performing time-consuming lookups or file system operations at the moment of data retrieval
2Ease of operation
If a storage system maintains a logical-to-physical address table for data access, then data can be retrieved using logical addresses, but the process becomes cumbersome and inefficient for time-based data retrieval in continuous storage applications
Solution Approach 1:
Instead of using the traditional logical-to-physical address mapping approach where data retrieval requires looking up logical addresses through file systems, the patent inverts the mapping by creating a time-to-logical-block-address mapping table. This inversion allows time information to directly specify storage locations, making time-based data access as straightforward as logical address access while dramatically improving efficiency
Data Source
AI summary
A storage system and method for time-based data retrieval are provided. In one embodiment, a controller of the storage system is configured to receive time information from a host; receive a write command from the host, wherein the write command comprises a logical block address; and create a time-to-logical-block-address map from the time information and the logical block address received from the host. Other embodiments are provided.