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2. Data corruption - Wikipedia

   en.wikipedia.org/wiki/Data_corruption

   Data corruption refers to errors in computer data that occur during writing, reading, storage, transmission, or processing, which introduce unintended changes to the original data. Computer, transmission, and storage systems use a number of measures to provide end-to-end data integrity , or lack of errors.

3. Data degradation - Wikipedia

   en.wikipedia.org/wiki/Data_degradation

   Data degradation is the gradual corruption of computer data due to an accumulation of non-critical failures in a data storage device. It is also referred to as data decay, data rot or bit rot. [1] This results in a decline in data quality over time, even when the data is not being utilized.

4. Data scrubbing - Wikipedia

   en.wikipedia.org/wiki/Data_scrubbing

   Data integrity is a high-priority concern in writing, reading, storage, transmission, or processing of data in computer operating systems and in computer storage and data transmission systems. However, only a few of the currently existing and used file systems provide sufficient protection against data corruption. [1] [2] [3]

5. ECC memory - Wikipedia

   en.wikipedia.org/wiki/ECC_memory

   One 64 GiB DDR5-4800 ECC 1.1 V RDIMM. Registered, or buffered, memory is not the same as ECC; the technologies perform different functions. It is usual for memory used in servers to be both registered, to allow many memory modules to be used without electrical problems, and ECC, for data integrity.

6. Hard disk drive failure - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive_failure

   Gradual hard-drive failure can be harder to diagnose, because its symptoms, such as corrupted data and slowing down of the PC (caused by gradually failing areas of the hard drive requiring repeated read attempts before successful access), can be caused by many other computer issues, such as malware.

7. Data recovery - Wikipedia

   en.wikipedia.org/wiki/Data_recovery

   Data damage can be caused when, for example, a file is written to a sector on the drive that has been damaged. This is the most common cause in a failing drive, meaning that data needs to be reconstructed to become readable. Corrupted documents can be recovered by several software methods or by manually reconstructing the document using a hex ...