In
computer storage
Computer data storage or digital data storage is a technology consisting of computer components and Data storage, recording media that are used to retain digital data. It is a core function and fundamental component of computers.
The cent ...
, cold data refers to data that is rarely accessed, therefore considered "cold".
Cold data is the opposite of hot data, which is data that is frequently accessed.
Uses
To optimize storage costs, cold data can be stored on lower performing and less expensive storage media. For example,
solid state disks may be used for storing hot data, while cold data can be moved to
hard drives,
optical disc
An optical disc is a flat, usuallyNon-circular optical discs exist for fashion purposes; see shaped compact disc. disc-shaped object that stores information in the form of physical variations on its surface that can be read with the aid o ...
s,
tapes, or migrated to
cloud storage
Cloud storage is a model of computer data storage in which data, said to be on "the cloud", is stored remotely in logical pools and is accessible to users over a network, typically the Internet. The physical storage spans multiple servers (so ...
.
Cold Cloud Data Storage
Enterprise Storage Forum
See also
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References
Data storage
Computer data storage
Backup
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