ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
+# by-id (World Wide Name)
+ENV{DEVTYPE}=="disk", ENV{ID_WWN}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN}"
+
LABEL="persistent_storage_end"