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 ?
Send a full backup to a local tape device, which is then transported to the remote e-vaulting server for initialization.
Optimized Synthetics enables our customers to maximize the utilization of their HYDRAstor investments and shrink their backup cycles, by replacing traditional full backups with incremental ones and reducing server workload and network traffic.
ExaGrid's largest system can take in a full backup that is 40 percent larger and has an ingest rate that is six times faster than the EMC Data Domain 990, at half the price," said Bill Andrews, ExaGrid's CEO.
The length of time necessary to perform this brick-level backup is four to eight times the time it takes to perform a full backup.
Our end users benefit by shorter backup windows and gaining the ability to recover full backups without having to rebuild full images on their systems.
This greatly improves backup performance and decreases the time to perform a Veeam synthetic full backup by up to 6X.
Brick-level backups take significantly more space and time than full backups.
12, 2014 /PRNewswire/ -- Today, ExaGrid Systems, a leading provider of disk-based backup solutions, announced that prominent IT analyst firm Enterprise Strategy Group (ESG) has tested and validated the creation of Veeam synthetic full backups using the ExaGrid-Veeam Accelerated Data Mover, increasing performance by 6X and reducing backup times.
Do you want to move 80 terabytes a week which gives you one full backup and six incrementals or 3.
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.
Leveraging the strength of ExaGrid's scale-out GRID technology, the EX32000E can combine up to 14 appliances in a single scale-out GRID, allowing for a 448TB full backup in a single system, representing a 52 percent increase in total capacity.