Note: This is only possible if the current volume language matches *.UTF-8 (such as en_US.UTF-8 or C.UTF-8) and if the new volume language is utf8mb4. Do not change volume language if the volume was e...Note: This is only possible if the current volume language matches *.UTF-8 (such as en_US.UTF-8 or C.UTF-8) and if the new volume language is utf8mb4. Do not change volume language if the volume was ever accessed by NFS clients, otherwise it will corrupt files created using NFS in the past, or files created with NFS are lost.