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Implementing Disaster Protection www.microsoft.com.

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1 Implementing Disaster Protection www.microsoft.com

2 Overview Introduction to Disaster Protection Configuring an Uninterruptible Power Supply Implementing Fault Tolerance by Using RAID Backing Up and Restoring Data Using Disaster Recovery Tools

3 Introduction to Disaster Protection Fault Tolerance Disaster Recovery Disaster Protection

4 Configuring an Uninterruptible Power Supply Power Options Properties Power SchemesAdvancedHibernateAPM UPS Status Details Current power source: Estimated UPS runtime: Estimated UPS capacity: Battery condition: Current power source: Estimated UPS runtime: Estimated UPS capacity: Battery condition: Manufacturer:American Power Conversion Model:Back-UPS Pro To commit the new settings, choose OK or Apply. Uninterruptible Power Supply Configure…Select… About… OKCancelApply UPS Configuration Enable all notifications. Seconds between power failure and first notification: Seconds between subsequent power failure notifications: 5 120 Critical alarm A critical alarm occurs when the UPS battery is almost exhausted or, optionally, after a specified time on battery power. Minutes on battery before critical alarm: When the alarm occurs run this program: 2 Configure… Next, instruct the computer to: Finally, turn off the UPS. Shutdown OKCancel

5  Implementing Fault Tolerance by Using RAID RAID Implementations Mirrored Volumes RAID-5 Volumes Implementing Fault-Tolerant Volumes Recovering a Failed Mirrored Volume Recovering a Failed RAID-5 Volume

6 RAID Implementations Software Implementation (Supported by Windows 2000 Server) RAID 0: Striped Volumes RAID 1: Mirrored volumes RAID 5: Striped volumes with parity Hardware Implementation Disk controller interface handles the creation and regeneration of redundant information RAID level dependent on hardware manufacturer

7 Mirrored Volumes Mirrored volumes use Ftdisk.sys to simultaneously write data to two volumes on two physical disks. Mirrored Volume Disk 0Disk 1 C: C:Ftdisk.sysFtdisk.sys Fault Tolerance Driver Fault Tolerance Driver Data

8 RAID-5 Volumes Parity Disk 1 Disk 2 Disk 3 Stripe 1 Stripe 2 Stripe 3 Stripe 4 Stripe 5 Stripe 6

9 OptionOptionDescriptionDescription Select Disks Volume Size Assign a Drive Letter or Path Format Volume The dynamic disks that will participate in the volume (two disks for a mirrored volume; at least three for a RAID-5 volume) The amount of unallocated space to use on each selected dynamic disk A drive letter or path for the volume The formatting options for the volume Implementing Fault-Tolerant Volumes

10 Replace the failed disk and create a new mirrored volume Recover a disk identified as Online (Errors) Recover a disk identified as Offline or Missing Recovering a Failed Mirrored Volume Disk 1Disk 2Errors D: Missing D:D': Reactivate Disk D': Reactivate Disk Disk 1Disk 2 D:D': Create Volume on New Disk Disk 1 Disk 2 Remove Failed Volume

11 Replace the failed disk and regenerate the RAID-5 volume Recovering a Failed RAID-5 Volume Recover a disk identified as Online (Errors) Recover a disk identified as Offline or Missing Parity Disk 1 Missing Disk 2 Parity Disk 3 Parity Reactivate Disk Parity Errors Reactivate Disk Parity Regenerate Volume on New Disk Replace Failed Disk Disk 1Disk 2Disk 3

12 Backing Up and Restoring Data Overview of Data Backup and Restoration Backup Types Example Backup Schedules Configuring File and Folder Backup Backing Up System State Data Scheduling a Backup Restoring Files and Folders

13 Overview of Data Backup and Restoration The Goal of Backing Up Data Is to Restore Data If It Is Lost Permissions and User Rights Are Required to Back Up and Restore Data Data BackupBackup Data Corruption RestoreRestore Data

14 Backup TypesTypeType Normal Backs up Selected files and folders Clears marker Yes Copy Selected files and folders No Differential Selected files and folders that changed since the last backup No Incremental Selected files and folders that changed since the last backup Yes Daily Selected files and folders that changed during the day No

15 Example Backup Schedules Normal (Clears Markers) N Incremental (Clears Markers) I Differential D Copy CMondayMondayTuesdayTuesdayWednesdayWednesdayThursdayThursdayFridayFriday NDDDD Example 1 NDDD Example 3 CD NIIII Example 2

16 Configuring File and Folder Backup When you create a backup job, you specify: Drives, Folders, or Files to Back Up Backup Destination Path and File Name, or a Tape to Use Backup Options Description of the Backup Job Whether the Media Contains Existing Backup Jobs Advanced Backup Options


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