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As a copy-on-write (CoW) file system for Linux, Btrfs provides fault isolation, corruption detection and correction, and file-system scrubbing. If the file system detects a checksum mismatch while reading a block, it first tries to obtain (or create) a good copy of this block from another device – if its internal mirroring or RAID techniques are in use.
Data sanitization involves the secure and permanent erasure of sensitive data from datasets and media to guarantee that no residual data can be recovered even through extensive forensic analysis. [1] Data sanitization has a wide range of applications but is mainly used for clearing out end-of-life electronic devices or for the sharing and use ...
Data erasure (sometimes referred to as data clearing, data wiping, or data destruction) is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by overwriting data onto all sectors of the device in an irreversible process. By overwriting the data on ...
Data cleansing may also involve harmonization (or normalization) of data, which is the process of bringing together data of "varying file formats, naming conventions, and columns", [2] and transforming it into one cohesive data set; a simple example is the expansion of abbreviations ("st, rd, etc." to "street, road, etcetera").
The iPhone doesn’t have a privacy mode, as Android phones do, but there are Apple privacy settings users can enable to reduce the likelihood their personal information will be compromised.
Online data scrubbing for finding errors and automatically fixing them for files with redundant copies; RAID 0, RAID 1, and RAID 10 [41] Subvolumes (one or more separately mountable filesystem roots within each disk partition) Transparent compression via zlib, LZO [7] and (since 4.14) ZSTD, [8] configurable per file or volume [42] [43]
Apple Inc on Monday will begin rolling out an update of its iOS operating system with new privacy controls designed to limit digital advertisers from tracking iPhone users. For Apple's more than 1 ...
The most common data recovery scenarios involve an operating system failure, malfunction of a storage device, logical failure of storage devices, accidental damage or deletion, etc. (typically, on a single-drive, single-partition, single-OS system), in which case the ultimate goal is simply to copy all important files from the damaged media to another new drive.