Automatic Filesystem Clone Generation Without File Copying
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Solution Overview
Problem
Existing data storage systems face challenges in managing file system clones without administrative intervention, particularly in cloud environments, where administrators may not be immediately available to make clones accessible to clients, and administrative interfaces require security privileges and access.
Innovation Solution
A system and method for automatically generating live writable file system clones from snapshots without copying files, using a simple filesystem command, which includes generating a snapshot, duplicating a directory, mapping addresses, and linking the clone directory to a head node, while mirroring security privileges and administrative access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automatic clone generation is implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
The system enables self-service clone generation where clients can automatically create and mount file system clones without requiring administrator intervention. The automatic mounting process occurs through the filesystem itself, eliminating the need for manual configuration by clients while maintaining system simplicity.
Solution Approach 2:
The system performs preliminary actions by pre-configuring the filesystem to automatically handle clone creation and mounting. When a client needs a clone, the system has already prepared the infrastructure and execution environment, allowing instant clone generation and automatic mounting without requiring real-time administrator intervention or complex client-side configuration.
2Reliability
If administrative interfaces are used for clone management, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The filesystem acts as an intermediary between clients and the clone management system. It automatically handles the complex tasks of clone creation, mounting, and access management without requiring clients to directly interact with administrative interfaces. This intermediary approach maintains security through controlled filesystem operations while providing ease of operation through transparent automatic mounting.
Solution Approach 2:
Clients gain self-service capability by directly interacting with the filesystem through standard filesystem commands rather than requiring administrative interfaces. The filesystem automatically manages the clone creation and mounting process, providing both ease of operation through simple client commands and reliability through automated security-aware management.
3Ease of operation
If manual mounting processes are used, then ease of operation is improved, but loss of time increases
Solution Approach 1:
The system performs preliminary mounting actions automatically when a client accesses a clone. The mounting process is prepared and executed in advance of the client's actual data access need, ensuring that clones are immediately available when required without requiring manual mounting steps that would cause delays.
Solution Approach 2:
Clients benefit from self-service automatic mounting where the filesystem autonomously handles the mounting process without requiring manual client intervention. This maintains ease of operation through transparent automatic mounting while eliminating time loss associated with manual mounting procedures.
Data Source
AI summary
Techniques described herein relate to systems and methods of data storage, and more particularly to automatic file site clone generation. In certain embodiments, a computing device may include receiving a selection indicating that a clone directory is visible in a head node. In response to the selection indicating that the clone directory to be visible in the head node, the computing device may include generating a snapshot of a target file system. Also, the computing device may include duplicating a directory of the target file system into the clone directory. Further, the computing device may include mapping an address of the target file system into the clone directory. The computing device may include linking the clone directory to the head node.