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RAID
Redundant Array of Inexpensive Disks - a mechanism for providing data resilience
for computer systems using mirrored arrays of magnetic disks.
reference data
Information that supports the plans and action lists, such as names and
addresses or inventories, which is indexed within the plan.
Release
A collection of new and/or changed CIs which are tested and introduced into the
live environment together.
remote fixes
Incidents or problems resolved without a member of the support staff visiting
the physical location of the problems.
Request For Change (RFC)
Form, or screen, used to record details of a request for a change to any CI
within an infrastructure or to procedures and items associated with the
infrastructure.
resolution
Action which will resolve an incident. This may be a Workaround.
resource cost
The amount of machine resource that a given task consumes. This resource is
usually expressed in seconds for the CPU or the number of I/Os for a disk or
tape device.
Risk
A measure of the exposure to which an organization may be subjected. This is a
combination of the likelihood of a business disruption occurring and the
possible loss that may result from such business disruption.
Risk Management
The identification, selection and adoption of countermeasures justified by the
identified risks to assets in terms of their potential impact upon services if
failure occurs, and the reduction of those risks to an acceptable level.
Risk reduction measure
Measures taken to reduce the likelihood or consequences of a business disruption
occurring (as opposed to planning to recover after a disruption).
Role
A set of responsibilities, activities and authorizations.
Rotational Position Sensing
A facility which is employed on most mainframes and some minicomputers.
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