If you set clustering=yes, you need to tell Samba where ctdbd listens on its unix domain socket. The default path as of ctdb 1.0 is /tmp/ctdb.socket which you have to explicitly set for Samba in smb.conf.
Example: /tmp/ctdb.socket
Registry Hive | HKEY_LOCAL_MACHINE |
Registry Path | Software\Policies\Samba\smb_conf\ctdbd socket |
Value Name | ctdbd socket |
Value Type | REG_SZ |
Default Value |