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DFS OverviewDFS Overview
Enhances Microsoft file serversEnhances Microsoft file servers Consistent namespace (DFS-N)Consistent namespace (DFS-N) Data Replication (DFS-R) Data Replication (DFS-R) Started back on Windows 2000Started back on Windows 2000 Enhanced capabilities on Win 2008 Enhanced capabilities on Win 2008
DFS UsageDFS Usage Ease of access via Server/Domain NamespaceEase of access via Server/Domain Namespace
Central file server backup of remote sitesCentral file server backup of remote sites
Reduced WAN traffic with local branch replica Reduced WAN traffic with local branch replica
AD Site awarenessAD Site awareness
High Availability via folder replication in the LANHigh Availability via folder replication in the LAN
Replication can be scheduled for off-hoursReplication can be scheduled for off-hours
DFS OverviewDFS Overview
\\Contoso\Public
DFS Namespace (DFS-N)
Namespace Server
Namespace Root
Software
Tools
Training Guides
Folder
Folders with Targets
DFS Folder Targets
\\NYC-SVR-01\Tools
Tools
\\SEA-SVR-01\Tools
Tools
\\SEA-SVR-02\Training
Training Guides
DFS Replication(DFS-R)
Windows 2008 DFS NamespacesWindows 2008 DFS Namespaces
Windows 2008 Mode Domain Namespaces Eliminates 5000 link limit for domain namespaces Requires
Windows 2008 Namespace ServersWindows 2008 Domain Functional Level
Access Based Enumeration (ABE) support For both standalone and 2008 mode domain namespaces
dfsutil property abde enable \\<namespace_root>
Improved diagnostics In-box – DFSUTIL.EXE, DFSDIAG.EXE SCOM 2007 pack coming soon
Windows 2008 DFS ReplicationWindows 2008 DFS Replication
Efficient, scalable and reliable Multi Master file replication
SYSVOL replication in Windows 2008 Domain Functional Level Enabled by default for new Windows 2008 domains Safe four step migration from FRS with dfsrmig.exe
Self-heals from USN journal wraps and database corruptions USN Journal updated every 3 seconds or on change Less checks on dirty shutdown
Reduced replication volume with RDC algorithm
Windows 2008 DFS ReplicationWindows 2008 DFS Replication
Flexible scheduling and bandwidth throttling mechanisms
Takes advantage of SMB 2.0 More shares, open files and connections, less chatter Request pipelining for low latency connections Large Request support Network connection detection and optimal utilization
For Vista clients to Windows 2008 file access For Windows 2008 DFS Replication without Vista Clients
DFS Management ToolsDFS Management Tools DFS Management snap-in (GUI)
DFS Management ToolsDFS Management Tools Reporting and diagnostics
DFS Management ToolsDFS Management Tools Command Line Tools
DFS Namespaces Dfsutil.exe – manage DFSR roots, folders and targets DfsDiag.exe – Diagnose configuration and integrity
DFS Replication Dfsradmin.exe – Create/manage replication groups Dfsrdiag.exe – Force/Stops replication, create reports
