Disaster Recovery
Presented by
Jasmine Mawii
What is Disaster Recovery?
• The process, policies and procedures that are
related to preparing for recovery or
continuation of technology infrastructure.
(wiki)
History
• 1970S : Disaster recovery concept,
Batch-oriented mainframe down
History cont….
• 1978s : First back up computer centers,
Sun information system,
First US commercial Hot site vendor,
Philadelphia
History Cont……
• 2000s : Increased dependency on IT
Causal Factors
• Natural Disaster
• Man Made Disaster
Natural Disaster
• Floods, hurricanes, tornadoes or earthquakes
Man Made Disaster
• material spills, infrastructure failure, or bio-
terrorism
Importance of DR
Importance
• IT systems have become increasingly critical
to the smooth operation of a company
It is IMPORTANT!
• A disaster-recovery plan is like insurance. You
might not feel like it’s giving you much
benefit—until you need it !!!.
Very Important!
• IF you don’t have DR,
Data loss and server downtime,
Delaying Operation of a business,
Disappointing Customers,
Bad Reputation.
Important !
• Therefore, the associated COST is too Big!
Important!
• Disaster-recovery planning can
minimize—or
even eliminate—
business disruption.
It is cost effective!
Challenges in DR plan
•Time
AND
COST
Challenge in DR
• REPLICATION
replicating the production network at the
DR site including IP address mapping, firewall
rules & VLAN configuration.
Questions in Creating an IT DR Plan
• What is our budget?
• How much should we invest?
• How much redundancy should we buy?
• What are our IT priorities?
• Where will your disaster recovery servers
physically be?
• How quickly do you need to recover?
Strategies
• Site designation
• Data backup
• Drills
• Back up of key personnel
Site designation
A location that an organization can move to
after a disaster if the current facility is unusable.
3 types :
• Hot site ( capable to resume fully)
• Cold Site ( Not capable to resume)
• Warm ( Capable to resume some)
Data backup
• Central to any disaster recovery plan
The processes in question,
analyzing and researching the
backup equipment used,
conducting computer-assisted
audit techniques and tests,
examining of paper and paperless
records. (wiki)
Drills
• Makes sure the effectiveness of the plan
• Determines what change is needed when
Back up of key personnel
• A written policies and specific communication
with employees to ensure that both regular
and replacement personnel is selected,
documented, and informed should a disaster
occurred.
Other considerations…
• Insurance issues
• Communication issues
• Emergency procedures
• Environmental issues

Protect and Save your firm from data loses caused by disasters