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systems have and their importance to the company. BIAs often have recovery priority
assignments for applications. The company's business continuity plan should include
how to recover the environment, resume operations, ensure asset relocation (this
includes people), and have testing and validation of the plan included. The goal of a
business continuity plan is to ensure critical operations of the business despite the
outage incurred. It answers the question, “How can the company be rebuilt after a
massive outage?”
Note
For more information, the National Institute of Standards and Technology
(NIST) has created some recommended practices that can be found by
searching for the most recent revision of NIST Special Publication 800-34:
Continuity Planning Guide for Information Technology Systems.
Disaster Recovery
Disaster recovery involves activities executed during a disaster, whether minor or
major. Disaster recovery encompasses the actions taken by individuals during the actual
event. Disaster recovery operates at the micro level, whereas business continuity
operates at the macro level. One additional difference is that a disaster recovery plan
tends to focus more on technology, whereas business continuity takes into account the
entire scope of resumption from an outage.
For the virtualized SQL Server environment, it is important to understand the pieces and
parts that make up the virtualized SQL Server stack and the applications these databases
support, because this will dictate their recovery procedure and priority. The disaster
recovery plan contains the steps necessary to recover the virtualized SQL Server after
the outage.
Disaster Recovery as a Service
First and foremost, the declaration of a disaster is a business decision. Someone within
the company must make a decision to declare the disaster. There are financial and other
ramifications that must be taken into account prior to enacting the recovery plans. It is
important to understand who within the organization has the power to declare that a
disaster has occurred. We have worked with large, multinational organizations that have
CIOs for individual business units. These CIOs each have the ability to declare a
disaster. If this is representative of your organization, it is important to ensure that if
someone declares a disaster, the enactment of this plan does not disrupt services of
other business units.
It is important to remember a disaster recovery plan must entail the entire organization,
 
 
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