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Failure Types.

Data Recovery Failure Types

Logical faults relate to filesystem or data corruption on a storage medium that otherwise functions correctly. It is most common in these cases that a proportion of data is permanently lost.

Logical Faults

Logical faults relate to filesystem or data corruption on a storage medium that otherwise functions correctly. It is most common in these cases that a proportion of data is permanently lost.

Media Faults

Media faults relate to storage media degradation which happens with all storage formats as they age. Once caught early, these Media Faults are usually fully recoverable.

Electronic Fault

These faults relate to failure of the hard drive controller (PCB). A straight swap of a PCB from a similar drive doesn’t resolve the issue as PCB’s are tuned to their native hard drive.

Service Area Faults

These faults relate to system corruption of the drive’s internal operation and self-management functionality. Most cases are usually fully recoverable.

Physical Faults

These faults relate to storage media with damaged read/write components. Most devices that we receive in these categories have suffered accidental impact. Disk platter damage can be a feature of such failures, and if present, usually rules out the possibility of a recovery.

RAID Faults

An intermittently faulty RAID controller or a failure in disk redundancy can cause a a RAID array to fail. In many cases, the failure can be exacerbated by incorrect manipulation of the array after failure.

Optical Media Faults

These faults relate to storage media degradation which happens with all storage formats. Once caught early, are usually fully recoverable.

NAND Faults

NAND is a classification of memory devices (‘chips’) which are used in USB memory keys, SD or microSD cards and SSD (solid state drives).

Phones Faults

Recovery of data from mobile phones is a rapidly changing technology area.  When we speak about phones, we deal with the internal memory of a phone, rather than portable memory that can be installed in the handset (such as a micro SD card).

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