snapshot


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snapshot

an informal photograph taken with a simple camera

snapshot

[′snap‚shät]
(computer science)
The storing of the entire contents of the memory, including status indicators and hardware registers.

snapshot

(1) A saved copy of the current memory state, along with the contents of all hardware registers and status indicators. It is periodically taken in order to restore the system in the event of failure. See checkpoint/restart.

(2) A saved copy of a file before it is updated. Part of a storage management program, snapshots enable previous versions of files to be brought back for review or to be placed back into use. See shadow copy.
References in periodicals archive ?
Snapshot is the user-friendly word for point-in-time copy (the terms are interchange-able).
If a snapshot is implemented, the backup would consist of suspending access to the data (typically, seconds or a few minutes), taking a snapshot (seconds) and releasing the data (seconds).
Ultimately, continuous backup may be added and configured to monitor every update made to your servers, either all the time or, if you prefer, in between the two most recent snapshots.
Advanced snapshot algorithms are incremental using copy-on-write technology.
So, perhaps the new generation of more efficient and more powerful snapshot systems is like diesel trains--a lot better than the steam engines they replace, but still no match for the internal combustion engine.
Does the snapshot feature require full-size copies of volumes, or can it create instant volume snapshots that begin at zero capacity?
Page 3 - Snapshots Executive Summary Page 4 - Category Definitions Page 5 - Market Size by Volume (2004 - 2008) Page 6 - Market Segmentation by Volume Page 7 - Market Forecast by Volume (2009-2013) Page 8 - Socio-Economic Data for Canada Page 9 - Snapshots Sources for Further Research
Snapshots are a collection of pointers that represent what the data looked like at the time of the snapshot.
Snapshot France Short-Term Car Rental 2009 provides 2008 year-end market size data, with 2009 estimates, 5 years of historical data and five-year forecasts.
While snapshot technology has been around since the early to mid-1980s on the mainframe, its use in the open-systems backup and recovery space is a relatively new phenomenon.
Snapshot Russia Fast Food & Takeways 2009 provides 2008 year-end market size data, with 2009 estimates, 5 years of historical data and five-year forecasts.
Snapshot France Microwave Ovens 2009 provides 2008 year-end market size data, with 2009 estimates, 5 years of historical data and five-year forecasts.