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Disaster Recovery.

Cold sites are a type of disaster recovery services that provide an office space with no set up such

that the customers must install their own equipment needed to continue with their operations. Hot

sites on the other hand provide the office space as well as the needed equipment and set up such

that the customer can arrive and continue with their operations immediately. Real-time mirroring

is used so as to recover critical data after a disaster have occurred. Depending on the type of

organization, and the recovery time objective of the organization, an organization can adopt a

disaster recovery mechanism that suits their organization. Ideally, cold sites have a recovery time

objective in terms of days, hot sites have a recovery time objective in terms of hours and real time

mirroring have recovery time objective in terms of minutes.

Cold sites are best suited for smaller businesses or companies and it’s the most basic type of

disaster recovery option. For example, a research firm could operate for a day or several days

without their main information system. Most of the employees in a research firm have laptops and

can collect their data, feed the data into spreadsheet, summarize their research results and then

upload their study findings into their main servers at a later time when the cold site is fully

operational. Hot sites on the other hand are most suitable for businesses or organizations that could

operate for several hours without having access to their main information system. During this time,

they can use paper-based entries, for example, a local retailer can use paper based forms to record

and process new sales orders in case the information system fails and subsequently enter the

transactions later in to the main information systems when the hot site becomes operational.

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Real-time monitoring is used for businesses which are internet-based and cannot operate without

their information systems being up and running. For example, a banking institution cannot process

customer deposits and withdraws without having access to their information systems and for such

organizations, they must have a backup systems ready all the time in case the main information

system fails. Most banks and financial institutions use web hosted information systems.

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1 Student’s name Professor name Course Date Disaster Recovery. Cold sites are a type of disaster recovery services that provide an office space with no set up such that the customers must install their own equipment needed to continue with their operations. Hot sites on the other hand provide the office space as well as the needed equipment and set up such that the customer can arrive and continue with their operations immediately. Real-time mirroring is used so as to recover critical data after a disaster have occurred. Depending on the type of organization, and the recovery time objective of the organization, an organization can adopt a disaster recovery mechanism that suits their organization. Ideally, cold sites have a recovery time objective in terms of days, hot sites have a recovery time objective in terms of hours and real time mirroring have recovery time objective in terms of ...
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