Corso referenti S.I.R.A. – Modulo 2Corso referenti S.I.R.A. – Modulo 2

04 - Disaster Recovery04 - Disaster Recovery

20/11 – 27/11 – 05/1220/11 – 27/11 – 05/12

11/12 – 13/12 (gruppo 1)11/12 – 13/12 (gruppo 1)

12/12 – 15/12 (gruppo 2)12/12 – 15/12 (gruppo 2)

Cristiano Gentili, Massimiliano Viola (CSIA)Cristiano Gentili, Massimiliano Viola (CSIA)

OverviewOverview

Introduction to Disaster ProtectionIntroduction to Disaster Protection

Configuring an Uninterruptible Power SupplyConfiguring an Uninterruptible Power Supply

Implementing Fault Tolerance by Using RAIDImplementing Fault Tolerance by Using RAID

Backing Up and Restoring DataBacking Up and Restoring Data

Using DisasterUsing Disaster Recovery Tools Recovery Tools

Introduction to Disaster ProtectionIntroduction to Disaster Protection

Fault ToleranceFault ToleranceFault ToleranceFault Tolerance Disaster RecoveryDisaster RecoveryDisaster RecoveryDisaster Recovery

Disaster Protection

Configuring an Uninterruptible Configuring an Uninterruptible Power SupplyPower SupplyPower Options Properties

Power Schemes Advanced Hibernate APM 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 ConversionModel: Back-UPS Pro

To commit the new settings, choose OK or Apply.

Uninterruptible Power Supply

Configure… Select…

About…

OK Cancel Apply

UPS Configuration

Enable all notifications.

Seconds between power failure and first notification:

Seconds between subsequent power failure notifications:

5

120

Critical alarmA 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…Configure…

Next, instruct the computer to:

Finally, turn off the UPS.

Shutdown

OK Cancel

• Implementing Fault Tolerance by Implementing Fault Tolerance by Using RAIDUsing RAID

RAID ImplementationsRAID Implementations

Mirrored VolumesMirrored Volumes

RAID-5 VolumesRAID-5 Volumes

Implementing Fault-Tolerant VolumesImplementing Fault-Tolerant Volumes

RAID ImplementationsRAID Implementations

Software Implementation Software Implementation (Supported by Windows 2000 Server)(Supported by Windows 2000 Server)

RAID 0: Striped VolumesRAID 0: Striped Volumes

RAID 1: Mirrored volumesRAID 1: Mirrored volumes

RAID 5: Striped volumes with parityRAID 5: Striped volumes with parity

Hardware ImplementationHardware Implementation

Disk controller interface handles the creation Disk controller interface handles the creation and regeneration of redundant informationand regeneration of redundant information

RAID level dependent on hardware RAID level dependent on hardware manufacturermanufacturer

Mirrored VolumesMirrored Volumes

Mirrored volumes use Ftdisk.sys to simultaneously write data to two volumes on two physical disks.

Mirrored Volume

Disk 0 Disk 1

C:C:C:

Ftdisk.sysFtdisk.sysFtdisk.sysFtdisk.sys

Fault ToleranceDriver

Fault ToleranceDriver

DataData

RAID-5 VolumesRAID-5 Volumes

Parity

Parity

Parity

Parity

Parity

Parity

Disk 1Disk 1 Disk 2Disk 2 Disk 3Disk 3

Stripe 1Stripe 1

Stripe 2Stripe 2

Stripe 3Stripe 3

Stripe 4Stripe 4

Stripe 5Stripe 5

Stripe 6Stripe 6

Backing Up and Restoring DataBacking Up and Restoring Data

Overview of Data Backup and RestorationOverview of Data Backup and Restoration

Backup TypesBackup Types

Example Backup SchedulesExample Backup Schedules

Configuring File and Folder BackupConfiguring File and Folder Backup

Backing Up System State DataBacking Up System State Data

Scheduling a BackupScheduling a Backup

Restoring Files and FoldersRestoring Files and Folders

Overview of Data Backup and Overview of Data Backup and RestorationRestoration

The Goal of Backing Up The Goal of Backing Up Data Is to Restore Data If Data Is to Restore Data If It Is LostIt Is Lost

Permissions and User Permissions and User Rights Are Required to Rights Are Required to Back Up and Restore DataBack Up and Restore Data

Data

BackupBackupBackupBackup

Data

Data

DataData

Data CorruptionData CorruptionData CorruptionData Corruption RestoreRestoreRestoreRestore

Data

Data

Backup TypesBackup Types

TypeTypeTypeType

NormalNormal

Backs upBacks upBacks upBacks up

Selected files and foldersSelected files and folders

Clears markerClears markerClears markerClears marker

YesYes

CopyCopy Selected files and foldersSelected files and folders NoNo

DifferentialDifferential Selected files and folders thatchanged since the last backupSelected files and folders thatchanged since the last backup NoNo

IncrementalIncremental Selected files and folders thatchanged since the last backupSelected files and folders thatchanged since the last backup YesYes

DailyDaily Selected files and folders thatchanged during the day Selected files and folders thatchanged during the day NoNo

Example Backup SchedulesExample Backup Schedules

Normal (Clears Markers)Normal (Clears Markers)N Incremental (Clears Markers)Incremental (Clears Markers)IDifferentialDifferentialD CopyCopyC

MondayMondayMondayMonday TuesdayTuesdayTuesdayTuesday WednesdayWednesdayWednesdayWednesday ThursdayThursdayThursdayThursday FridayFridayFridayFriday

N D D D DExam

ple

1Ex

ampl

e 1

N D D DExam

ple

3Ex

ampl

e 3

CD

N I I I IExam

ple

2Ex

ampl

e 2

Configuring File and Folder Backup Configuring File and Folder Backup

When you create a backup job, you specify:When you create a backup job, you specify:

Drives, Folders, or Files to Back UpDrives, Folders, or Files to Back Up

Backup DestinationBackup Destination

Path and File Name, or a Tape to UsePath and File Name, or a Tape to Use

Backup OptionsBackup Options

Description of the Backup JobDescription of the Backup Job

Whether the Media Contains Existing Backup JobsWhether the Media Contains Existing Backup Jobs

Advanced Backup OptionsAdvanced Backup Options

Backing Up System State DataBacking Up System State Data

RegistryRegistry

CS* Class Registration DatabaseCS* Class Registration Database

System Startup FilesSystem Startup Files

Certificate Services Database Certificate Services Database

DC **DC **DC **DC **ComponentComponentComponentComponent Server ***Server ***Server ***Server ***

Active DirectoryActive Directory

Sysvol FolderSysvol Folder

ProfessionalProfessionalProfessionalProfessional

* CS Component Services** DC A domain controller running Windows 2000 Server*** Server A computer running Windows 2000 Server that is also a certificate server

* CS Component Services** DC A domain controller running Windows 2000 Server*** Server A computer running Windows 2000 Server that is also a certificate server

Scheduling a BackupScheduling a Backup

Specify a User Name and Account withSpecify a User Name and Account withthe Appropriate Permissionsthe Appropriate Permissions

Specify a Job NameSpecify a Job Name

Specify the Date, Time, and Frequency Specify the Date, Time, and Frequency

Restoring Files and FoldersRestoring Files and Folders

Folders or Files to RestoreFolders or Files to Restore

A Restore LocationA Restore Location

Restore OptionsRestore Options

• Using Disaster Recovery Tools Using Disaster Recovery Tools

Starting a Computer by Using AdvancedStarting a Computer by Using AdvancedStartup OptionsStartup Options

Recovering a Computer by Using the Recovery Recovering a Computer by Using the Recovery ConsoleConsole

Recovering a Computer by Using Disk Image Recovering a Computer by Using Disk Image ProcessProcess

Starting a Computer by Using Starting a Computer by Using Advanced Startup OptionsAdvanced Startup OptionsOperating System SelectionOperating System SelectionOperating System SelectionOperating System Selection

Safe Mode

Safe Mode with Networking

Safe Mode withCommand Prompt

Enable Boot Logging

Last Known GoodConfiguration

Directory Services Restore Mode

Debugging ModeDebugging Mode

Loads basic devices and driversLoads basic devices and drivers

Loads safe mode options and networkingservices and driversLoads safe mode options and networkingservices and drivers

Loads safe mode options but starts a commandprompt instead of the graphical user interfaceLoads safe mode options but starts a commandprompt instead of the graphical user interface

Logs the loading and initialization of driversand servicesLogs the loading and initialization of driversand services

F8

Enable VGA Mode Loads the basic VGA driverLoads the basic VGA driver

Uses the last known good configuration to startthe computerUses the last known good configuration to startthe computer

Allows Active Directory restoration ondomain controllersAllows Active Directory restoration ondomain controllers

Enables debuggingEnables debugging

Recovering a Computer by Using Recovering a Computer by Using the Recovery Consolethe Recovery ConsoleUse the Recovery Console to:Use the Recovery Console to:

Start and stop services.Start and stop services.

Read and write data on a local hard drive.Read and write data on a local hard drive.

Format hard disks and display hidden system files.Format hard disks and display hidden system files.