Chapter 9: Business Continuity Planning. Business Continuity and Disaster Recovery: Overview Business Impact Analysis Preventative Measures Recovery Strategies Insurance Recovery and Restoration Implementing Strategies Testing, Revising, and Maintaining.
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Why Business Continuity Planning (BCP) and Disaster Recovery
Planning (DRP) is important?
Project initiation phase
Business impact analysis (BIA)is a functional analysis
MTD of a sever is ten days and cost $250
Risk = the likehood of a negative event happening * the impact of such an event happening
e.g., If a tornado were to hit, the result would be really bad.
If a tornado were to hit and affect 65 percent of the facility, the company could be at risk of losing computing capabilities for up to 72 hours, power supply for up to 24 hours, and a full stop of operations for 76 hours, which would equate to a loss of $125,000 each day.
Preventative Measures include:
nondisaster, disaster, and catastrophe
Hot site vs. redundant site
BCP team needs to dig down into some more granular
items, such as backup solutions for the following:
It is not easy to fully understand the organization’s current
technical environment, because …
unless the team finds out that the replacement equipment is a newer version and thus the images cannot be used.
Without documentation, when a disaster hits, no one will
know how to put critical function back together again.
Human resources is a critical component to any recovery
and continuity process
The end users must be provided a functioning environment
as soon as possible after a disaster hits.
How to choose a data back up process?
Full process + differential backup
OR Full process + incremental backup
hierarchical storage management (HSM) provides
continuous online backup functionality.
Storage area network (SAN) is a dedicated network that is separated
from LANs and WANs. It serves to interconnect the storage-related
resources that are connected to one or more servers.
Automatic tape vaulting
the BCP is activated
various teams are deployed, which signals the company’s entry into therecovery phase.
Once the strategies have been decided upon, they need to
be documented and put into place by the BCP team.