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True continuous data protection, in contrast to "snapshots", has no backup schedules. [5] When data is written to disk, it is also asynchronously written to a second location, either another computer over the network [6] or an appliance. [7] This introduces some overhead to disk-write operations but eliminates the need for scheduled backups.
^15 Hybrid Online Backup works by storing data to local disk so that the backup can be captured at high speed, and then either the backup software or a D2D2C (Disk to Disk to Cloud) appliance encrypts and transmits data to a service provider. Recent backups are retained locally, to speed data recovery operations.
This is a list of notable backup software that performs data backups. Archivers, transfer protocols, and version control systems are often used for backups but only software focused on backup is listed here. See Comparison of backup software for features.
for Advanced Copy Services (Formerly ITSM for Hardware) - Hardware-based snapshots for major database backups. Although it still exists as a product today the newer releases are re-branded as FCM (FlashCopy Manager). for Copy Services - Windows snapshots for Exchange and MSSQL. for Databases - An API for Oracle RMAN and a GUI & CLI tool for ...
Shadow Copy (also known as Volume Snapshot Service, [1] Volume Shadow Copy Service [2] or VSS [2]) is a technology included in Microsoft Windows that can create backup copies or snapshots of computer files or volumes, even when they are in use.
Amazon S3 Glacier is an online file storage web service that provides storage for data archiving and backup. [2]Glacier is part of the Amazon Web Services suite of cloud computing services, and is designed for long-term storage of data that is infrequently accessed and for which retrieval latency times of 3 to 5 hours are acceptable.
To avoid downtime, high-availability systems may instead perform the backup on a snapshot—a read-only copy of the data set frozen at a point in time—and allow applications to continue writing to their data. Most snapshot implementations are efficient and can create snapshots in O(1). In other words, the time and I/O needed to create the ...
This is a comparison of notable file hosting services that are currently active.File hosting services are a particular kind of online file storage; however, various products that are designed for online file storage may not have features or characteristics that others designed for sharing files have.
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