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CREATING A DISASTER RECOVERY PLAN

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CREATING A DISASTER RECOVERY PLAN BACKUP REQUIREMENTS CRITERIA Maximum acceptable downtime Maximum acceptable data loss Data retention requirements BACKUP MEDIA Hard ... – PowerPoint PPT presentation

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Title: CREATING A DISASTER RECOVERY PLAN


1
CREATING A DISASTER RECOVERY PLAN
  • Chapter 13

2
BACKUP REQUIREMENTS CRITERIA
  • Maximum acceptable downtime
  • Maximum acceptable data loss
  • Data retention requirements

3
BACKUP MEDIA
  • Hard disks
  • Tapes
  • Writeable CDs and DVDs
  • Optical media

4
BACKUP METHODS
  • Full
  • Incremental
  • Differential
  • Copy
  • Daily

5
DEDICATED BACKUP NETWORK
6
BACKUP STORAGE AREA NETWORK (SAN)
7
VOLUME SHADOW COPY
  • Enables snapshot backups
  • Backs up all files at a specific point in time
  • Ensures backups are consistent even when data is
    constantly changing

8
BACKING UP APPLICATIONS
  • Backed up with System State
  • Active Directory
  • Certificate Services
  • DNS
  • IIS
  • Require special backups
  • Microsoft SQL Server 2000
  • Microsoft Exchange Server 2003

9
BACKUP FACILITIES HOT SITE
  • Has active network and phone infrastructures
  • Requires duplicate, constantly updated servers
  • Advantages
  • Quick recovery time (hours)
  • Easy to test
  • Disadvantages
  • Extremely high cost
  • Cannot be shared between different companies

10
BACKUP FACILITIES WARM SITE
  • Prewired for network and phone infrastructure
  • Requires moving or buying new computers
  • Advantages
  • Lower cost than hot site
  • Can be shared between multiple companies
  • Disadvantages
  • Longer recovery time (days)
  • Moderately high cost

11
BACKUP FACILITIES COLD SITE
  • Empty facility with minimal infrastructure
  • Requires building infrastructure before being
    used
  • Advantages
  • Very low cost
  • Can be easily shared between companies
  • Disadvantage
  • Long recovery time (weeks)

12
BACKUP FACILITIES MOBILE SITE
  • Truck with network and telephone capabilities
  • Travel to desired location
  • Advantages
  • Can service multiple locations
  • Can be shared between companies
  • Disadvantage
  • Limited space

13
BACKUP FACILITIES RECIPROCAL AGREEMENT
  • Share space with another facility in a disaster
  • Advantages
  • Minimal cost
  • Disadvantages
  • Crowded facilities during a disaster
  • Partner might refuse access during a disaster

14
DESIGNING A DISASTER RECOVERY PROCESS
  • Perform risk analysis and business impact
    analysis
  • Develop the plan
  • Implement policies and procedures
  • Test the process
  • Maintain and update the process

15
DISASTER RECOVERY GUIDELINES
  • Plan for business continuance
  • Maintain hardware and software records
  • Create separate backup policies for different
    roles
  • Write down procedures
  • Practice recovery
  • Audit backups
  • Backup software and licenses
  • Check your insurance policy

16
THE DISASTER RESPONSE PROCESS
  • Protect human life and safety
  • Contain the damage
  • Assess the damage
  • Determine the cause of the damage
  • Repair the damage
  • Review response and update policies

17
SERVER RECOVERY STRATEGIES
  • Restore the server
  • Rebuild the server
  • Use a standby server

18
SUMMARY
  • Determine backup requirements based on maximum
    data loss, downtime, and data retention
    requirements
  • Use a dedicated network or SAN for high-bandwidth
    backups
  • Choose a backup facility that meets disaster
    recovery requirements while minimizing cost
  • Create a disaster recovery plan, and practice
    that plan
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