[smartmontools-support] Extended test doesn't catch CurrentPendingSector and OfflineUncorrectableSector errors

Claudio Kuenzler napsty at gmail.com
Sun Jul 11 09:57:56 CEST 2021

On Sun, 11 Jul 2021, 09:15 Dipanjan Das <mail.dipanjan.das at gmail.com> wrote:

> Hello,
> On my Ubuntu 20.04 system, smartd runs a periodic background check.
> Recently, I am receiving CurrentPendingSector and
> OfflineUncorrectableSector errors emails from smart tests every day.
> However, when I run SMART extended test (smartctl -t long), it sometimes
> returns "read failure" at a particular LBA. Are these two (smart vs
> smartctl self-test errors) errors related?

Ouch. If you get read failure during self test that is definitely not a
good sign. Replace this drive.

And yes, the sector errors (which you can also see with "smartctl -a
/dev/yourdrive") are most likely related to the self test read failure.
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