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non-volatile storage
(redirected from nonvolatile storage)

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(storage)non-volatile storage - (NVS, persistent storage, memory) A term describing a storage device whose contents are preserved when its power is off. Storage using magnetic media (e.g. magnetic disks, magnetic tape or bubble memory) is normally non-volatile by nature whereas semiconductor memories (static RAM and especially dynamic RAM) are normally volatile but can be made into non-volatile storage by having a (rechargable) battery permanently connected.

Dynamic RAM is particularly volatile since it looses its data, even if the power is still on, unless it is refreshed. An acoustic delay line is a (very old) example of a volatile storage device.

Other examples of non-volatile storage are EEPROM, CD-ROM, paper tape and punched cards.
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In addition to providing high bandwidth aggregate data access to the cluster nodes, such systems can provide nonvolatile storage for computing checkpoints and can serve as a results gateway for making cluster results immediately available to downstream analysis and visualization tools for an emerging approach known as computational steering.
Clustered storage: improved utility for production computer clusters by Moxon, Bruce / Computer Technology Review
The potential applications for the nonvolatile storage device Nantero is developing are extensive and include the ability to enable instant-on computers and to replace the memory in devices such as cell phones, MP3 players, digital cameras, and PDAs, as well as applications in the networking arena.
ON Semiconductor and Nantero Inc. to Jointly Develop Carbon Nanotube ... by Business Wire
Briefly, SANs allow efficient and flexible connection of servers and storage by de-coupling nonvolatile storage (hard disks and disk arrays) from the servers used by LAN client machines for data storage services.
Update On IP-based Storage by Schwaderer, Dave / Computer Technology Review
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