The encoding format of the request depends on the settings on the client end. When the client receives the filenames, it asks the server to display these files or requests that a new file be created in the directory. This occurs when the client chooses a different form when saving files to the NAS server. The problem arises when the filenames use a different Unicode normalization form – in this case, NFD on the server end and NFC on the client end. Upon receiving the request, the NAS server sends all the filenames in the directory to the client.
When a user tries to access a shared folder on the NAS server via SMB, the client sends a request to find out what files are in the directory. This error is a result of the server and client using two different Unicode normalization forms. Operations like renaming, creating, or editing files in this kind of folder could fail. This difference may also cause some files in folders with names containing letters from the NFD form to become invisible and uneditable. Therefore, the NAS server cannot recognize the directory name or find the directory, so the server reports the error. On the client end, however, Finder sends the request using Normalization Form C (NFC), the “Canonical Composition” form. This happens because the character “ã” is encoded using Normalization Form D (NFD), which is the “Canonical Decomposition” Unicode normalization form. In the screenshot above, Finder is attempting to access (via SMB) the directory “1_ã” in a shared folder and create a subfolder, which results in the error. Secured login and multi-factor authentication.Support Milestone Surveillance Platform.NAS Smart Surveillance System Solutions.NDR Solutions against Targeted Ransomware.Software-defined Platform Total Solution.Support Platform9’s Managed OpenStack Solution.Veeam-Ready and Virtualization Certifications.With Linux and ZFS, QuTS hero supports advanced data reduction technologies for further driving down costs and increasing reliablility of SSD (all-flash) storage.
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