EMC Isilon cannot use Open Directory for SMB authentication

Hi All,

I have a EMC Isilon as a NAS and OS X server 10.6.8 with OD enabled. I have tried to integrate OD with Isilon as LDAP server for authentication. The Isilon can query the user from OD. But we got a strange problem. We can log into Isilon via ftp, http, nfs and ssh but not for SMB. Does anyone got this problem before?