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Distributed File System

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Ease of access via Server/Domain Namespace. Central file server backup of remote sites ... More shares, open files and connections, less chatter ... – PowerPoint PPT presentation

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Title: Distributed File System


1
File Services Role
Distributed File System
Liran Zamir Project ManagerMalam-Team liranz_at_mal
amteam.com
2
DFS Overview
  • Enhances Microsoft file servers
  • Consistent namespace (DFS-N)
  • Data Replication (DFS-R)
  • Started back on Windows 2000
  • Enhanced capabilities on Win 2008

FREE !
3
DFS Usage
  • Ease of access via Server/Domain Namespace
  • Central file server backup of remote sites
  • Reduced WAN traffic with local branch replica
  • AD Site awareness
  • High Availability via folder replication in the
    LAN
  • Replication can be scheduled for off-hours

4
DFS Overview
DFS Folder Targets
DFS Namespace (DFS-N)
Namespace Server
DFS Replication (DFS-R)
Namespace Root
Folder
Folders with Targets
5
Windows 2008 DFS Namespaces
  • Windows 2008 Mode Domain Namespaces
  • Eliminates 5000 link limit for domain namespaces
  • Requires
  • Windows 2008 Namespace Servers
  • Windows 2008 Domain Functional Level
  • Access Based Enumeration (ABE) support
  • For both standalone and 2008 mode domain
    namespaces
  • dfsutil property abde enable
    \\ltnamespace_rootgt
  • Improved diagnostics
  • In-box DFSUTIL.EXE, DFSDIAG.EXE
  • SCOM 2007 pack coming soon

6
Windows 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

7
Windows 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

8
DFS Management Tools
  • DFS Management snap-in (GUI)

9
DFS Management Tools
  • Reporting and diagnostics

10
DFS 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

11
Distributed File System
Liran Zamir Project ManagerMalam-Team liranz_at_mal
amteam.com
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