backup

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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 ?
SQL-BackTrack is an intelligent, high-performance backup and recovery solution.
By using a backup and recovery service provider, organizations still retain front-end control of their data protection operations, while handing off such burdensome back-end tasks as server backup, device maintenance, tape management and off-site removal and storage.
It is true that today they're separate applications for separate things, but ultimately they'll be in one storage management policy including replication, SRM, backup and recovery, and archiving.
The newest emerging approach available for backup and recovery uses a patented technology called commonality factoring which greatly reduces the amount of data being backed up and therefore reduces the recovery time.
The growing urgency of backup and recovery issues comes as enterprises are increasingly under regulatory pressure--the governance requirements of Sarbanes-Oxley, the privacy requirements of HIPAA, the homeland defense measures of The USA Patriot Act, the European Data Protection Act, the procedural rules of FDA drug development and testing policies, the new e-commerce laws passed in over 40 countries around the world, not to mention FISMA, GLBA, and NERC.
ZRM for MySQL provides a business-ready backup and recovery solution that will further accelerate the adoption of MySQL as a database of choice for mainstream enterprise applications.
But despite these advancements, the market has taken clear steps over the past couple of years away from tape and toward disk for backup and recovery.
Tape has been a de facto standard for backup and recovery for years, but corporations are realizing that it doesn't have the ability on its own to handle all of their disaster recovery requirements.
Asigra(TM), the technology specialists in agentless remote backup and recovery software, today announced that AmeriVault, a leading provider of online data backup, offsite storage and recovery services, has selected Asigra Televaulting(TM) as the software platform for its ServerVault online data backup service.
This reigning champ of IT problems has a new challenger that is promising to upset traditional thinking and finally put the issue of backup and recovery to rest.