With the current version of Rhythmbox in squeeze (0.12.8) I have both my music and the music database (by having ~/.local/share/rhythmbox as a symlink) on an nfs drive without any crashes.
With the current version of Rhythmbox in squeeze (0.12.8) I have both my music and the music database (by having ~/.local/share/rhythmbox as a symlink) on an nfs drive without any crashes.