Interface Control Mechanism for LBA and Key-Value Command Processing
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Solution Overview
Problem
Modern operating systems are limited by a fixed 512-byte block size for data storage, leading to inefficiencies and performance degradation in handling large databases, especially in clustered computing environments, where error recovery and single block updates are cumbersome.
Innovation Solution
An electronic system with an interface control mechanism that includes a command processor to analyze and execute logical block address (LBA) and key-value commands independently or concurrently, allowing for efficient data management and storage operations outside the traditional I/O storage stacks, supporting both LBA and key-value architectures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed 512-byte block size is used for data storage, then compatibility with legacy operating systems is maintained, but performance and efficiency in handling large databases deteriorates
Solution Approach 1:
The patent segments the storage interface into two independent command processing paths: one for traditional LBA commands and another for key-value commands. This allows the system to simultaneously support legacy 512-byte block operations and modern large-scale database operations with variable block sizes, resolving the contradiction between compatibility and performance.
Solution Approach 2:
The interface control unit is designed with multi-functionality to handle both LBA and key-value commands through a unified interface. This universal design enables the storage device to serve both traditional operating systems requiring fixed block sizes and modern applications needing large block operations, thereby improving both adaptability and productivity.
2Adaptability or versatility
If 512 emulation mode is used to conceal internal data block sizes, then compatibility is maintained, but error recovery complexity and performance for single block updates worsens
Solution Approach 1:
The patent extracts the emulation layer from the error recovery process by implementing native key-value command support. Instead of hiding internal block sizes through emulation, the system directly supports variable-sized blocks through key-value operations, simplifying error recovery while maintaining compatibility.
Solution Approach 2:
Rather than emulating a fixed block interface to hide variable block sizes, the patent inverts the approach by exposing key-value operations that naturally support variable sizes. This inversion eliminates the need for complex read-modify-write operations and simplifies the error recovery process.
3Reliability
If read-modify-write operations are used for single block updates, then data integrity is maintained, but performance and operational efficiency deteriorates
Solution Approach 1:
The key-value command structure enables self-service updates where data can be modified in place without requiring read-modify-write cycles. The native support for variable-sized blocks allows direct updating of individual key-value pairs, maintaining data integrity while dramatically improving performance for single block updates.
Data Source
AI summary
An electronic system includes: a storage device, configured to receive an interface command including: an interface control unit including a command processor configured to analyze a logical block address (LBA) command and a key-value command, one or more logical processors, coupled to the interface control unit, configured to execute the LBA command, the key-value command, or a combination thereof, and a non-volatile storage, coupled to a logical processor, configured to execute the LBA command and the key-value command independently or concurrently; wherein: the logical processor is configured to compile a detailed status after completing the LBA command or the key-value command; and the interface control unit, connected to a device coupling structure, is configured to respond to the interface command by sending the detailed status to a device driver.