End User Guide
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End User Guide

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Article Summary

Displaying Edge Filer Content in a File Manager

You can map the edge filer content in a file manager, Windows Explorer or macOS Finder, and end users can the access their data in a familiar way.

To view the edge filer content from a file manager:

  • Use the following address to access the folders and files from a file manager, for example, Windows File Explorer or macOS Finder: \\edge_filer_ip\cloud where edge_filer_ip is the IP address of the CTERA Edge Filer.

When accessing the CTERA Edge Filer from a macOS machine you need to follow the procedure in Accessing an Edge Filer From macOS.

The following screenshot shows an edge filer accessed from Windows File Explorer.
Both Windows File Explorer and macOS Finder report that the total space and available free space for the mapped drive is a very high number to simulate the caching ability of infinite storage.


The CTERA Edge Filer user interface is case sensitive, so file and folder names with the same characters, but different cases, such as MYFOLDER, MyFolder and myfolder are different folders. When connecting to the CTERA Edge Filer using Windows File Sharing, SMB protocol, which is not case-sensitive, these folders or files are treated as having the same name.

Overlay Icons Used in the File Manager

When viewing the cloud drive content, folders and files are marked with icons indicating the current status:
macOS: image.png – Folders or files that are not stubs as they are saved locally.
image.png – Files that are currently synchronizing between the CTERA Edge Filer and CTERA Portal.
image.png – Files that are stubs. The main storage is on the CTERA Portal in the cloud with stubs saved on the CTERA Edge Filer. A stub is a file with a tiny footprint that contains the metadata about the file, such as the file name, size, and modification date. Only the folder and file metadata and not the actual file content is saved locally. This results in the cost of storage being significantly lower. Also, systems with many file changes, where only some of the files are required locally, don’t overuse bandwidth between the cloud and CTERA Edge Filer. Only the required files are passed across the wire.

When a user accesses a file stub, the file is downloaded and opened without delay, and where possible, large files are streamed from the cloud so they can be accessed faster. After the download has completed, the file is unstubbed. Any changes to the file are synced back to the CTERA Portal.


A new version of a file is saved every time the file is edited, and not just daily. Your administrator can restore a previous version for you.

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