Unified Namespace Manager for Distributed File System Coordination

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Solution Overview

Problem

Current file system management systems face challenges in efficiently updating top-level namespaces and managing new file systems across nodes, leading to suboptimal performance in data requests and storage operations.

Innovation Solution

A unified namespace manager is employed to receive messages indicating new file systems, update top-level file system namespaces, and send updated messages to other nodes, enabling intelligent memory management and direct manipulation of persistent memory for enhanced performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a unified namespace manager is implemented to manage file systems across nodes, then the adaptability and coordination between nodes are improved, but the device complexity increases

Engineering Contradiction:

Improvenamespace coordinationVSAvoidsystem structure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A unified namespace manager is introduced as an intermediary component that centralizes namespace management across distributed nodes. This manager receives notifications about new file systems, updates the top-level namespace, and propagates changes to other nodes, thereby improving coordination without requiring complex peer-to-peer communication mechanisms between nodes.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The unified namespace manager serves multiple functions: it acts as a notification receiver, namespace updater, message generator, and distribution hub. By consolidating these diverse functions into a single component, the system achieves improved adaptability while managing complexity through functional integration rather than proliferation of separate components.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Productivity

If traditional file system management methods are used without a unified namespace manager, then the device complexity is lower, but the productivity and performance of data requests deteriorate

Engineering Contradiction:

Improvedata request performanceVSAvoidnamespace management structure

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The unified namespace manager implements a feedback mechanism where it receives notifications about new file systems from nodes, processes this information by updating the top-level namespace, and then propagates the updated namespace information back to all nodes. This closed-loop feedback system ensures that all nodes have consistent, up-to-date namespace information, improving data request performance through coordinated access.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The unified namespace manager performs preliminary actions by maintaining an updated top-level namespace that includes references to all file systems across the network. Before data requests are made, the namespace is already prepared and synchronized, allowing nodes to quickly resolve file locations without requiring complex runtime discovery or negotiation protocols.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS11409696B2Methods and systems for utilizing a unified namespace

Publication Date: 2022.08.09 EMC IP HLDG CO LLC

AI summary

A method for managing file systems includes receiving, by a unified namespace manager, a first message that indicates a new file system has been created on a first node, performing an update on a top level file system namespace to include a reference to the new file system to generate an updated top level file system namespace, generating, based on the update, a second message that indicates the top level file system namespace has been updated, and sending, to a second node, the second message.