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In computing, data deduplication is a technique for eliminating duplicate copies of repeating data. Successful implementation of the technique can improve storage utilization, which may in turn lower capital expenditure by reducing the overall amount of storage media required to meet storage capacity needs.
For data deduplication, NetVault Backup supports Quest's DR appliance and NetVault SmartDisk. The Dell DR appliance is a hardware-based, inline deduplication storage product. Its deduplication engine was originally developed by Ocarina Networks. The NetVault and Ocarina engineering teams worked to integrate the two technologies. [3]
Data Compaction is another mechanism used to compress many data blocks smaller than 4 KB to a single 4 KB block; Inline Aggregate-wide data deduplication (IAD) and Post-process aggregate deduplication also known as Cross-Volume Deduplication [citation needed] share common blocks between volumes on an aggregate. IAD can throttle itself when the ...
This is the foundation for a large set of planned features: snapshots, copy-on-write (COW) data, data deduplication, reflink copies, online data and metadata scrubbing, highly accurate reporting of data loss or bad sectors, and significantly improved reconstruction of damaged or corrupted filesystems. This work required changes to XFS's on-disk ...
The Data Domain Corporation was founded by Kai Li, Ben Zhu, and Brian Biles in 2001 as a company specializing in target-based data deduplication products for disk-based backup. [ 1 ] [ 2 ] [ 3 ] Hugo Patterson joined as chief architect 3 months after initial funding.
A packet capture appliance is a standalone device that performs packet capture. [1] Packet capture appliances may be deployed anywhere on a network, however, most commonly are placed at the entrances to the network (i.e. the internet connections) and in front of critical equipment, such as servers containing sensitive information.
A packet-switched network transmits data that is divided into units called packets.A packet comprises a header (which describes the packet) and a payload (the data). The Internet is a packet-switched network, and most of the protocols in this list are designed for its protocol stack, the IP protocol suite.
NetApp FAS3240-R5. Modern NetApp FAS, AFF or ASA system consist of customized computers with Intel processors using PCI.Each FAS, AFF or ASA system has non-volatile random access memory, called NVRAM, in the form of a proprietary PCI NVRAM adapter or NVDIMM-based memory, to log all writes for performance and to play the data log forward in the event of an unplanned shutdown.