The Official Samba-3 HOWTO and Reference Guide, 2nd Edition

26.4 Conversion from Old Names

Because previous Samba versions did not do any charset conversion, characters in filenames are usually not correct in the UNIX charset but only for the local charset used by the DOS/Windows clients .

Bjoern Jacke has written a utility named convmv ^[3] that can convert whole directory structures to different charsets with one single command.

^[3] http://j3e.de/linux/convmv/