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Disaster Recovery Sites

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Submitted By Cyann
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1) With respect to disaster recovery - describe the difference between hot, warm, and cold recovery sites.
Cold recovery sites
This is an appropriately configured room or space in a building with no server-related equipment pre-installed. It provides power, cooling and office which is used in case of an outage or disaster in the main work site. The staff moves to this site when a disaster is declared. It does not include any backed up copies of the data and information from the main or original work site location. For this reason it is considered the most inexpensive backup as there is minimal start-up cost. However, it takes more time to have it running at a capacity almost the same or the same as that of the original site before the disaster. For the service to be restored, the last backups from the off-site storage locations must be delivered and a few hardware components set up before recovery can start. Hot recovery site
This is an exact copy of the main work site of the organization or the datacenter, it is actually said to mirror the original site. It is equipped with full computers and complete backups for the user data. There also servers, cooling systems power and an office space (if needed). Using a wide area network and specialized software, the site is run concurrently with the original site to provide an immediate failover system in case of a disaster. It takes the organization few hours or less to recover from a disaster with minimal losses. An organization can have the capacity to relocate all the personnel to the hot site if necessary. This type of backup costs more than warm and cold sites. It is mainly adapted by organizations which operate in real time such as bank, online businesses and production systems.
Warm sites
These are basically the middle ground between hot and cold sites. It has live communication links and few hardware components that represent a reasonable part of the original site. It contains servers ready for installation of the original work site environments. Software applications might not be included or might not be installed and configure. A little amount of work will be involved to have the warm site up and running before recovery starts. Warm sites have backups at hand whenever there is disaster but may not be complete as it can be between a few days and weeks old. 2) Does the organization where you work have a disaster recovery site? If so, what type do they have? Do you agree with their recovery site strategy (why or why not)? If you are unable to determine if your organization has a disaster recovery site - what type of site do you feel would be best for your organization?
The organization has a room set aside for disaster recovery where staff can go when a disaster has occurred. The room has external communications, power and cooling system. The room serves as a cold site recovery site as there are no hardware components pre-installed. This recovery site strategy is not the best for the organization as it would take a lot of time to have it running at a capacity close or same as the main work site. The site that would be best for this organization is a warm site. This recovery method may require more set up cost than a cold site but it is better as it would take a shorter time to have it up and running to a level close to the main work site as compared to a cold site. Recovery needs to be fast so that the organization does not lose much time. Though a hot site is the fastest, the organization is rather small and a hot site would require a higher set up cost that the company does not necessarily have to incur and thus a warm site will just be fine.

References
Lehtinen, R., Gangemi, G. T., & Russell, D. (2006). Computer security basics. Beijing [u.a.: O'Reilly.
Disaster Recovery Hot, Warm, Cold Sites: Key Differences. (n.d.). Retrieved August 28, 2014.

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