Cloud Drive for Windows FAQ / Restrictions

last updated November 19, 2019

See full documentation at Cloud Drive for Windows

The File Fabric provides a Suite of Applications for the Windows operating system. The Apps comprise a Cloud Explorer Application, a Microsoft Outlook add-in for file sharing, a Microsoft Office add-in / LibreOffice extension, a Cloud Sync application and also a 'Cloud Drive' which is accessible through the Windows explorer like any network drive.

Enterprise Administrators can choose which of these applications are suitable for their user estate. A packaging application is provided that enables Admins to create a customised binary in which Apps and options can be chosen.

The aim of this read me document is to highlight some caveats that needs to be understood/observed when working with the Cloud Drive.

The Cloud Drive application should be excluded from Anti Virus scanning to avoid performance and functionality issues. In particular there are known issues in using the drive with Trend Micro Anti Virus scanning solution.

In the past the firewall rules were added on install but Microsoft has added Tamper Protection in version 19.03 of Windows 10 which if turned on prevents this behaviour and any exemptions need to be made manually.

The Cloud Drive and Apps in general need outbound access to ports 80 and 443 to work. Also note that some installed firewalls sandbox applications and you should ensure that the Cloud Drive and other Apps are not sandboxed.

The Cloud Drive has been optimized to disable preview for images and other file types that use this functionality. This is because the file needs to be downloaded to create the preview which of course would negate the whole purpose of using the drive. It is recommended to keep previews off.

See Previewing Files from the Windows Cloud Drive for further information of file previewing on the Cloud Drive.

In general you should be able to work with files as you would on a normal drive but please note that some applications may need certain “hooks” for us to work with them (with regards to edit and save) or may not be suitable to be shared for network drive access.

Work has been done for many file types but if you come across a file type where edit and save is problematic you could email and let us know.

Remember that the drive is a remote view of data. If you work with a very large file the whole file has to be downloaded and then on save uploaded. The Cloud Sync tools may provide a better way of working offline with such large files.

It is not recommended to copy a large amount of files with the Cloud Drive. To upload a large amount of files it is recommended to use the dedicated Cloud Explorer or if the file sizes are large please consider the Cloud Migration Assistant.

Dragging and Dropping files between the local file system and the cloud drive will work and will even try to resume on failure but the drive is not optimized for such large file transfers.

Files and folders can be rename as normal on the Cloud Drive but please note that for certain storage back-ends, such as Object Storage, a message will be displayed warning the user that a rename could potentially take a long time. Due to the way that Object Storage processes renames of objects this can be a very expensive operation, dependent upon the depth of the object sets.

Cloud Drive Settings can be accessed from the taskbar’s tray (right-click → Settings) and this can be useful to clear the cache and also clear any files that may be “stuck” and cannot be uploaded.

The Drive should work perfectly well with office documents but be aware that a network blip, general office crashes, and latency sensitivity of office, could cause documents to be lost so always setup up the office auto-recovery office option when working with the drive.

An alternative is to use the Microsoft Office add-in provided, available as ‘Cloud Actions’ ribbon bar.

The File Fabric supports data that may already exist on a storage endpoint. That data may not honour the data integrity semantics of the Windows operating system.

Examples include duplicate file names, limitation on long file names etc.

This may lead to issues being able to access data through the drive as windows is unable to present it.

If this is the case then consider using the File Fabric web interface or the Cloud Explorer Application for such files.

Auto- locking through the File Fabric is guaranteed when opening files with Microsoft Office modern document formats such as .xslx, .docx and .pptx for Microsoft Office files and .odt, .ods, .odp for LibreOffice.

Auto-File Locking is not guaranteed for .doc, ,xls, .ppt office formats. If you are using these formats you should set the locking option manually when you are editing a document.

docx / xlsx / pptx is a better file format for just about every situation. The format creates smaller, lighter files that are easier to read and transfer. The open nature of the Office Open XML standard means that it can also be read by just about any full-featured word processor, including online tools such as Google Docs, and the format is less prone to corruption.

Data loss is always a possibility when using any software, including the Cloud Drive. It can occur due to networking interruptions, program defects or hardware malfunctions. The following steps are recommended to minimize the likelihood of data loss due to any of these causes when using the Cloud Drive:

  1. Save your work frequently. You may be able to set your application to do this automatically. If not, save manually.

  2. If you are using Microsoft Office ensure you have AutoRecover turned on and that the AppData directory is set locally (which is the default location).

  3. If your application writes temporary files and allows you to set a location for them, set the location to a directory on your local disk, not the Cloud Drive.

The Cloud Drive uploads saved files from its cache when those files have been closed by the programs that wrote them. Different programs have different strategies for managing the files that are being edited. You may find that a program you are using, Acrobat Reader for example, does not frequently close the files it is being used to edit. You can always force a program to close a file by exiting the program. Then the file will be uploaded by the Cloud Drive from its cache to the storage attached to the File Fabric.

The Cloud Drive has a setting for deleting the cache when the PC is shut down. That setting also applies when the user logs out. For most use cases this setting should not be activated. If it is activated then you run the risk of the cache being deleted while it contains files that have not yet been uploaded.

The Cloud Tools are not certified for use with ARM processors.

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