HP CIFS Windows 2000 Interoperability (October 2002)

CIFS/9000 and Windows 2000 Interoperability

Hewlett-Packard

7.2 DFS Namespace

Compare the standard namespace with the same data consolidated into a single DFS

namespace:

The red arrows point to:

• The single DFS root share (dfshpact)

• Single namespace (dfshpatc)

• 3 remote file servers (DOM1DC,EMONSTER, HPATCUX1)

• 1 local filesystem (local to the root share)

The single DFS namespace can be exported to, and mounted by, any authenticated client.

7.3 Windows 2000 DFS Design

The DFS referral protocol is actually defined in the CIFS specification draft

(http://www.snia.org/English/Products/Products_FS.html). Two new DFS SMBs have been

added to the spec:

• Trans2_get_dfs_referral

• Trans2_report_dfs_inconsistency

From the client perspective, the referral operation appears as a protocol sequence: