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Glossary
Definitions obtained from the Storage Networking Industry Association (SNIA)
Dictionary are indicated with “(SNIA)” at the end. For the complete SNIA
Dictionary, go to
www.snia.org/education/dictionary.
A
agent
The component of the system monitoring and diagnostic software that collects
health and asset information about the array.
alarm
A type of event that requires service action. See also
event.
alert
A subtype of an event that requires user intervention. The term actionable event often
describes an alert. See also
event.
array
Multiple disk drives that function as a single storage device. A high-availability
(HA) array configuration has redundant controllers and expansion trays of disk
drives.
array hot-spare
A disk that serves as a hot-spare within an array as part of the storage pool; a
reserve disk that can be made available to all virtual disks within an array. See also
hot-spare.