9122: S.M.A.R.T. Attribute: Reported Uncorrectable Errors

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Applies to: 

Operating Systems: 

Last update: Wed, 2010-03-31 14:25

Attribute ID: 187 (0xBB)

Hard drives, supporting this attribute

Samsung, Seagate, IBM (Hitachi), Fujitsu, Maxtor, Western Digital, Hewlett-Packard


Reported Uncorrectable Errors S.M.A.R.T. parameter indicates a number of errors that could not be recovered using hardware ECC (error-correcting code).


Although this parameter is not considered critical by the most hardware vendors, degradation of this parameter may indicate electromechanical problems of the disk. Regular backup is recommended. If no other (critical) parameters report a problem, hardware replacement is recommended on mission critical systems only.

More information

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