backup

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Related to Full backup: Differential backup

backup

[′bak‚əp]
(building construction)
That part of a masonry wall behind the exterior facing.
(civil engineering)
Overflow in a drain or piping system, due to stoppage.
(computer science)
Logical or physical facilities to aid the process of restarting a computer system and recovering the information in it following a failure.
The provision of such facilities.
(engineering)
An item under development intended to perform the same general functions that another item also under development performs.
A compressible material used behind a sealant to reduce its depth and to support the sealant against sag or indentation.
(graphic arts)
An image printed on the reverse side of a printed sheet.
The printing of such an image.
(metallurgy)
A support used to balance the upsetting force in the workpieces during flash welding.
(petroleum engineering)
During drilling, the holding of one section of pipe while another is screwed out of it or into it.

backup

1. That part of a masonry wall behind the exterior facing.
2. A compressible material used behind a sealant to reduce its depth and to support the sealant against sag or indentation.
3. Overflow in a drain or piping system, due to stoppage.
4. A condition where waste water flows back into another fixture or compartment or water line (but does not flow back into the potable water system).

backup

(operating system)
("back up" when used as a verb) A spare copy of a file, file system, or other resource for use in the event of failure or loss of the original.

The term commonly refers to a copy of the files on a computer's disks, made periodically and kept on magnetic tape or other removable medium (also called a "dump").

This essential precaution is neglected by most new computer users until the first time they experience a disk crash or accidentally delete the only copy of the file they have been working on for the last six months. Ideally the backup copies should be kept at a different site or in a fire safe since, though your hardware may be insured against fire, the data on it is almost certainly neither insured nor easily replaced.

See also backup software, differential backup, incremental backup, full backup. Compare archive, source code management.

backup

(1) A duplicate copy of data or of an entire storage drive on a separate storage medium. "Backup" is the noun; "back up" is the verb. See backup software, backup types, backup storage, copy data, backup and restore, disaster recovery and LAN-free backup.

(2) Additional hardware resources ready to take over if the main system fails. See fault tolerant.
References in periodicals archive ?
When getting started, the next step after the e-vaulting agent software is loaded and the backup parameters are defined is to perform a full backup.
In the event of a recovery, the full backup tape is restored followed by the incremental backup tapes.
Optimized Synthetics now addresses these limitations by using metadata to create a roadmap for recovering a full backup without actually doing the data movement to rebuild the full.
Brick-level backups take significantly more space and time than full backups.
Do you want to move 80 terabytes a week which gives you one full backup and six incrementals or 3.
Synthetic full backups can be done in just a fraction of the time it typically takes to do a traditional backup to tape, and restores are near-instantaneous.
For now, full backups for each platform are completed over the weekend.
Since installing ExaGrid, KOCH has reduced the time to complete a full backup by 44 percent, from 36 hours to just 20 hours.
Other costs are attributable to the inadvertent over-replication of data--for every megabyte file that is created, there exists 10-15 megabytes of that file residing on multiple full backup tape sets, HSM tapes, archive tapes, and replication disks.
Ontrack PowerControls, which earned "Verified for Microsoft Windows XP" status through independent testing, is used by IT professionals to quickly and easily search, copy and restore message-level or individual mailbox items from any previous full backup, un-mounted databases (.
Restore the backup data from the full backup and the required incremental/differential backups in the correct order