9132: S.M.A.R.T. Attribute: Reallocation Event Count

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Applies to: 

Operating Systems: 

Attribute ID: 196 (0xC4)

Hard drives, supporting this attribute

Samsung, Seagate, IBM (Hitachi), Fujitsu (not all models), Maxtor, Western Digital (not all models)

Description

Reallocation Event Count S.M.A.R.T. parameter indicates a count of remap operations (transferring data from a bad sector to a special reserved disk area - spare area).

The raw value of this attribute shows the total number of attempts to transfer data from reallocated sectors to a spare area. Unsuccessful attempts are counted as well as successful. Since this is a count value, it can only increase.

Recommendations

This is a critical parameter. Degradation of this parameter may indicate imminent drive failure. Urgent data backup and hardware replacement is recommended.

More information

See also: S.M.A.R.T. Monitoring.

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