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Questions tagged [smart]

S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) is a monitoring system for computer hard disk drives to detect and report on various indicators of reliability, in the hope of anticipating failures.

S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) is a monitoring system for computer hard disk drives to detect and report on various indicators of reliability, in the hope of anticipating failures.

This technology monitors and logs many events while the disk is running. Analyzing the data allows to know the drive's reliability and predict its failure.

483 questions
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High Reallocated_Event_Count with Reallocated_Sector_Ct == 0?

My understanding is that Reallocated_Sector_Ct gives the absolute number of remapped sectors while Reallocated_Event_Count gives the number of tries to initiate such a remapping. How could it then by that a disk has a Reallocated_Sector_Ct of 0 but…
stefanct
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4
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2 answers

SMART Value for ECC Recovery is both increasing and decreasing - what does this mean?

I'm seeing the counter for Hardware_ECC_Recovered both increasing, and decreasing in the SMART stats for a hdd and I'm confused. I'd expect it'd increase each time a error is detected (and corrected) by ECC, but why on earth would it ever…
djsmiley2kStaysInside
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3
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1 answer

smartctl not performing test on hard disk

I have a SATA hard drive connected to a SAS card through a backplane in an Intel server. The drive appears quite accessible in Linux, however I notice some strange errors in the logs. I want to see if these are to do with spin up/initialization…
davidgo
  • 70,654
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Can a faulty SATA cable cause erroneous SMART test results?

Is it possible for a SMART self-test to fail because of a faulty SATA cable? Or does the test happen entirely inside of the drive?
Joril
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Do SMART values have any sense at all?

Is it possible to understand SMART values somehow? Here is an example of values shown for one of my drives: Following questions arise: If Reallocated Sectors Count is 2 and threshold is 36, then why is marked with red? Threshold is not exceeded…
Dims
  • 12,713