backup rotation

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(operating system)

backup rotation - Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.

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No references found			A common off-site backup rotation cycle is a week, and this should be the minimum--losing a week of data would hurt most organizations, but would not be devastating. Protect computerized data with off-site backups: steps to safeguard ... by Eckert, Bruce / Nursing Homes Rewritable media is best suited for a typical weekly backup rotation cycle. The SMB users guide to data protection by Pofcher, Steven / Computer Technology Review backup rotation schedules and archiving procedures, including any backup programs in use at any relevant time. Digging for e-data: you won't find `electronic evidence' and ... by Nimsger, Kristin M. / Trial			backspring backstage backstay backstep sequence backstroke backswamp backswamp depression backswimmer backtalk backthrusting backtick backtracking backup backup & restore backup arrangement backup copy backup disk Backup Domain Controller backup file backup power backup program backup protection backup pumpkin backup relay backup rod backup rotation backup server backup software backup storage backup strip backup system backup tong backup types Backus Normal Form Backus, Isaac Backus, John Backus, John W Backus-Naur form backward backward analysis backward chaining backward combatability backward compatibility backward compatible backward difference backward difference operator backward diode Backward Erosion backward error analysis backward folding backward pass			Backup Operating System Backup Operations Command Center Backup Optical Unit Backup Path Backup Path Adjustment Backup Path Reservation Backup Path Reservation Problem Backup power Backup power station Backup power station Backup Power Supply backup program Backup Project Operations Control Center backup protection Backup proxy Server backup pumpkin Backup Quantity Backup Range Management Backup Range Management Processor Backup Rate Backup Record Route Object Backup Recovery System backup relay Backup Restore Manager backup rod backup rotation Backup Satellite Test Center Backup Secure Voice Backup Security Control backup server Backup site Backup software Backup Solutions Program Backup Space Backup Stabilization System Backup storage Backup storage Backup storage backup strip Backup Subnetwork Supervision Node backup system backup system Backup System Services Backup tape Backup tape Backup tape Backup tape Backup Tapes Backup to Disk Backup to Neighbor backup tong Backup types Backup types Backup types Backup Virtual Path Backup Withholding

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