Add detail of file system

[george-wu20250203]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @george-wu20250203, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the clarity and completeness of the file system documentation. It provides users with comprehensive, step-by-step guides for key operations such as mounting NFS exports, managing snapshots, and adjusting subvolume group quotas, ensuring a more user-friendly experience by detailing previously implicit or missing procedural information.

Highlights

• NFS Export Mounting Guide: Added a comprehensive new section detailing the prerequisites and step-by-step instructions for mounting an NFS export on a client machine, including command examples.
• Enhanced Snapshot Management: Introduced detailed, step-by-step guides for both creating and deleting snapshots, replacing the previous brief description for deletion.
• Subvolume Group Quota Editing: Added a new section with instructions on how to edit and resize subvolume group quotas.
• Documentation Clarity Improvements: Updated descriptions for 'Export' and 'Created Time' columns across NFS, Snapshot, and Group tables for better clarity and consistency, and clarified 'Grant Access' examples.

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[gemini-code-assist]

Code Review

This pull request enhances the documentation for the File System page by adding more details about NFS exports, snapshots, and subvolume groups. The changes are generally good, improving clarity and completeness. I've identified a few minor issues, such as typos in commands and text, a grammatical error, and a redundant heading. Addressing these points will further polish the documentation.

[gemini-code-assist]

There's an extra space in the mount command between -t and nfs4. While most shells will handle this, it's best to remove it for correctness and to avoid confusion.

        sudo mount -t nfs4 -o nfsvers=4.1 -v <NFS_IP>:<EXPORT_PATH> /mnt/nfs

[gemini-code-assist]

There's a minor grammatical error. The word "You" should be lowercase as it follows "For example," and is not the start of a new sentence.

- **Grant Access**: Adds a client IP address to the allowed list. For example, you can specify a single IP address 192.168.10.151 or a CIDR range 192.168.10.0/24.

[gemini-code-assist]

The heading #### Snapshot Actions is redundant because it's empty and immediately followed by more specific action headings (#### Create Snapshot, #### Delete Snapshot). To improve the document's structure and readability, this heading and the subsequent blank line should be removed.

[gemini-code-assist]

There's a grammatical error here. It should be "an NFS snapshot" instead of "a NFS snapshot," because "NFS" begins with a vowel sound.

	Deleting an NFS snapshot is irreversible. Ensure that you have backed up any critical data.