1 week #10business continuity backing up data configuring shadow copies providing server and service...
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Week #10 Business Continuity
• Backing Up Data
• Configuring Shadow Copies
• Providing Server and Service Availability
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Windows Server Backup Overview
With Windows Server Backup, you can:
• Protect your entire server without using separate backup and recovery technology
• Back up an entire server or selected volumes
• Use the wizards, tools, and the Complete PC Restore feature to assist in recovering a server
• Set up an automatic backup schedule
• Recover items or entire volumes
Windows Server Backup is a feature of the Windows Server® 2008 operating system, that backs up and recovers the operating system, and restores files and folders that are stored on the server
Windows Server Backup is a feature of the Windows Server® 2008 operating system, that backs up and recovers the operating system, and restores files and folders that are stored on the server
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New Windows Server Backup Features
Simplified restoration Simplified recovery of your operating system
Ability to recover applications
Improved scheduling
Offsite removal of backups for disaster protection
Remote administration
Automatic disk usage management Extensive command-line support Support for DVD media
Faster backup technology
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Who Can Back Up Data?
• By default, members in the following groups can backup and restore data on a server:
• Administrators
• Server Operators
• Backup Operators
• To increase security, consider using custom groups thatseparate the backup and restore User Rights Assignments
• Limit the number of users that belong to the default groups with backup/restore rights
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What Is System State Data?
Component When is this component included in System State?
Registry Always
COM+ Class Registration database Always
Boot files, including the system files Always
Active Directory Certificate Services database If it is a Certificate Services server
Active Directory Domain Services database If it is a domain controller
SYSVOL directory Only if it is a domain controller
Cluster service information If it is within a cluster
IIS configuration files If it is installed
System files that are under Windows Resource Protection Always
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Optimizing Backup Performance
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Specifying a Backup Time
Run Backup daily or more oftenRun Backup daily or more often
Back up the entire server or specific volumes only
Back up the entire server or specific volumes only
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How Is Data Restored?
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What Are Shadow Copies?
• Shadow copies provide iterative versions of network folders
• Use shadow copies to:
• Recover files
• Review previous versions
• Shadow copies are:
• Enabled per volume
• Not a replacement for regular backups
• Allocated storage limits versions
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Shadow Copy Scheduling
• Default schedule is 7:00 A.M. and noon
• Create a shadow copy schedule based on:
• Volume of changes
• Importance of changes
• Storage limitations
• Test a schedule with a small group
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Managing Shadow Copies from a Client Perspective
Shadow copies from the client perspective:
• Windows XP and Windows 2000 Client computers must have the Previous Versions client installed
• Clients must use the share path to an object to show the Previous Versions tab
• Shadows Copies do not replace regular backups
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Restoring Shadow Copies
If… Then…
No previous versions
The file was not modified after the last save
Restoring a folder The current version is deleted
Restoring a file File permissions are not changed
Properties dialog box does not include a Previous Versions tab
Shadow copies might not be enabled
Copying a file File permissions are set to default
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Network Load Balancing Manager Overview
Accept?
Accept?
Accept?
Accept?
No
No
Yes
No
Client
Client Request
Network Load Balancing HostDedicated IP: 10.1.1.2Virtual IP: 10.1.1.1
Network Load Balancing HostDedicated IP: 10.1.1.3Virtual IP: 10.1.1.1
Network Load Balancing HostDedicated IP: 10.1.1.4Virtual IP: 10.1.1.1
Network Load Balancing HostDedicated IP: 10.1.1.5Virtual IP: 10.1.1.1
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Creating a Network Load Balancing Cluster
To configure Network Load Balancing, you must configure three types of host parameters:
• Host Parameters
• Cluster Parameters
• Port Rules
Optional
Network Load Balancing Hosts
Router/Gateway
Front-end LAN
Back-end LAN
Server cluster
Node 1 Node 2
Shared storage
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What Is a Failover Cluster?
A failover cluster is a group of independent computers that work together to increase the availability of applications and services
A failover cluster is a group of independent computers that work together to increase the availability of applications and services
Failover clusters include:
• A new validation feature to ensure that the system, storage, and network configuration is suitable for a cluster
• Improved cluster setup
• Simplified configuration interface
• Improved stability and security, which increases availability
• Improved cluster communication with storage, which improves the performance of a SAN or DAS
• Configuration options that eliminate the need for the quorum as a single point of failure
• Improvements to the software infrastructure, networking and security, which increase reliability and availability
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Hardware Requirements for a Failover Cluster
Servers Network adapters and cable
Device controllers or appropriate adapters
Storage