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70290: MCSE Guide to Managing a Microsoft Windows Server 2003 Environment, Enhanced Chapter 12: Mana

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Title: 70290: MCSE Guide to Managing a Microsoft Windows Server 2003 Environment, Enhanced Chapter 12: Mana


1
70-290 MCSE Guide to Managing a Microsoft
Windows Server 2003 Environment,
EnhancedChapter 12 Managing and Implementing
Backups and Disaster Recovery
2
Planning for Disaster Recovery
  • Administrators need to be prepared for the
    possibility of server failure and/or file and
    folder loss at all times
  • Windows Server 2003 features
  • The Backup utility
  • Shadow Copies of Shared Volumes
  • Automated System Recovery
  • Advanced startup options
  • The Recovery Console

3
Backing Up and Restoring Data
  • Backup utility designed to restore an operating
    system or data in case of failure
  • Improved version of utility originally introduced
    in Windows 2000

4
Backing Up and Restoring Data (continued)
  • Tasks that can be performed include
  • Back up and restore files and folders
  • Schedule a backup
  • Back up Windows 2003 System State data
  • Restore the Active Directory database
  • Create an Automated System Recovery (ASR) backup

5
Backup and Restore Concepts
  • Types of backups and backup hardware and software
    is dictated largely by the size and type of
    organization
  • A key issue is backup authority
  • Administrators, Backup Operators, and Server
    Operators have broad authority
  • Other users may have some limited authority to
    back up certain files and folders

6
Backup and Restore Concepts (continued)
  • Two main Group Policy rights are Back up files
    and directories and Restore files and directories

7
Backup Types
  • Backup types include
  • Normal backup
  • Incremental backup
  • Differential backup
  • Daily backup
  • Copy backup

8
Normal Backup
  • Default type of backup performed by Backup
    utility
  • Backs up all selected files and folders and
    clears the archive attribute on each
  • This type of backup can be inefficient because it
    does not take into account whether files have
    changed

9
Incremental Backup
  • Backs up only files that have changed since last
    normal or incremental backup
  • Clears the archive attributes of the files
  • Reduces the size of backup jobs
  • Restore process is more complicated
  • Normal backup and incremental backups must be
    restored in order

10
Incremental Backup (continued)
11
Differential Backup
  • Backs up only files that have changed since last
    normal or incremental backup
  • Does not clear the archive attributes of those
    files
  • A second differential backup will back up the
    same files since the first backup is not recorded
    by the archive attributes
  • Reduces the size of backup jobs compared to
    normal backups but not incremental backups
  • Restore process requires only the normal backup
    and the latest differential backup

12
Differential Backup (continued)
13
Daily Backup and Copy Backup
  • Daily Backup
  • Backs up selected files or folders that were
    created or changed on the day of the backup
  • The archive attribute is not changed
  • Copy Backup
  • Exactly the same as a normal backup but doesnt
    change the archive attribute
  • Intended as a backup that will not interrupt
    other backup procedures (perhaps an archival copy)

14
Using the Backup Utility
  • Commonly used to back up critical data and
    operating system files
  • Can be used in two modes Wizard mode and
    Advanced mode
  • Can be used to
  • Back up System State data
  • Restore Active Directory
  • Access Automated System Restore feature

15
Using the Backup Utility (continued)
16
Scheduling Backups
  • Backups can be scheduled to occur without
    interaction from an administrator
  • Can schedule backups daily, weekly, monthly,
    predefined times, predefined days

17
Scheduling Backups (continued)
18
Backing Up and Restoring System State Data
  • System State data includes
  • Registry (always)
  • COM Class Registration database (always)
  • Boot files (always)
  • Certificate Services database (if installed)
  • Active Directory (on domain controllers)
  • SYSVOL directory (on domain controllers)
  • Cluster service (if part of a cluster)
  • IIS Metadirectory (if IIS is installed)
  • System files (always)

19
Backing Up and Restoring System State Data
(continued)
  • These components should be backed up with
    standard backups and directed System State
    backups
  • Cannot back up individual components
  • To restore due to a corrupt Active Directory
    database, must restart and choose Directory
    Services Restore mode advanced startup
  • To restore Active Directory objects, must use
    authoritative restore so that replication doesnt
    overwrite corrections

20
Shadow Copies of Shared Folders
  • Purpose of this utility is to make recovery of
    user files in shared folders easy without
    requiring an administrator
  • Advantages for users
  • Restoration of accidentally deleted files
  • Recovery of previous versions of files
  • Comparison of previous version to current version
  • Shadow Copies not enabled by default, must be
    explicitly enabled from Properties of a drive

21
Shadow Copies of Shared Folders (continued)
  • Shadow Copies is enabled for entire volume
    (cannot shadow specific files or folders)
  • Copies are made on a pre-defined schedule
  • By default, Shadow Copies uses 10 of available
    disk space (minimum 100 MB)
  • When limit is reached, older copies are deleted

22
Shadow Copies of Shared Folders (continued)
23
Previous Versions
  • Network users must install additional software on
    their systems to access previous versions of
    files via Shadow Copies
  • Client software provided in MSI format at
    systemroot\system32\clients\twclient\X86 (for
    Intel-based system)
  • Adds an additional tab (Previous Versions) to
    Properties of files stored in shared Folders

24
Automated System Recovery
  • This utility was introduced in Windows Server
    2003
  • Main purpose is to restore a system to a
    functional state
  • Allows user to restore system configuration
    settings, not data files
  • Replaces ERD on earlier systems
  • Two different elements
  • ASR backup (accessed from Backup Utility)
  • Floppy disk that contains information about
    backup, disk configuration, and how to perform a
    restore

25
Automated System Recovery (continued)
  • User data files should be backed up before ASR
    and restored after ASR
  • ASR backup should be done whenever system
    configuration is changed
  • ASR backup created using the Automated System
    Recovery Wizard
  • To recover, boot from Windows CD, select Repair
    option, use ASR floppy and backup to restore
    settings

26
Advanced Startup Options
  • Used to troubleshoot startup problems
  • Provides a safe mode
  • Only loads the default minimal required Windows
    Server 2003 settings and device drivers
  • Windows Advanced Startup Options is accessed
    during system startup
  • Press F8 from Boot Loader Operating System
    Selection menu

27
Advanced Startup Options (continued)
28
Advanced Startup Options (continued)
29
Last Known Good Configuration
  • Allows you to recover from failed driver and
    registry changes
  • You should not log on to your server if problems
    are evident during boot process because any
    incorrect configuration changes will update last
    known good configuration
  • Cannot be used to resolve problems such as
    missing or corrupt files

30
The Recovery Console
  • The Recovery Console is an advanced tool for
    experienced administrators
  • It is used to
  • Start and stop services
  • Format drives
  • Read and write data on a local hard drive
  • Copy files from a floppy or CD to a local hard
    drive
  • Perform administrative tasks

31
Installing the Recovery Console
  • Two ways to start Recovery Console
  • Run it from CD after a serious error by booting
    from the CD
  • Install on computer permanently
  • Once it is installed, it will be an option in the
    list of available operating systems during the
    initial boot process
  • Recovery Console can only be run by an
    administrator

32
Installing the Recovery Console (continued)
  • Variety of commands available through Recovery
    Console
  • Use the Help command within the Console for a
    complete list of commands
  • Common commands include copy, disable, enable,
    exit, fixboot, fixmbr, listsvc

33
Quote of the Day
  • It is with our passions, as it is with fire and
    water, they are good servants but bad masters.
  • Aesop
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