[smartmontools-support] False failure of FailedReadSmartData

James bjlockie at lockie.ca
Mon Sep 25 19:15:19 CEST 2017

My guess would guess your USB connection is being lost/reconnecting.
Are the drives USB3, they seem more prone to interference.
What OS and version.

On 2017-09-24 07:46 PM, Henry Bouma wrote:
> I have a WD EasyStore 8TB (Model WDBCKA0080HBK-NESN) that is giving
> the attached error. I see no errors in the S.M.A.R.T. drive logs, nor
> do I see any problems when manually running tests on the drive. The
> drive is only 3 days old. I have also been seeing this on my other USB
> drive (WD EasyStore 4TB model WDBCKA0040HBK-NESN. I cannot tell if
> this is a false positive or not. I have been getting emails off and on
> for the past day. Usually every couple of hours. 
> Here is what I see in my syslog:
> Sep 24 08:10:54 Henry-Server smartd[845]: Device: /dev/sdg [SAT], not
> capable of SMART self-check
> Sep 24 08:10:56 Henry-Server smartd[845]: Device: /dev/sdg [SAT],
> failed to read SMART Attribute Data
> Later, I get the following:
> Sep 24 08:40:43 Henry-Server smartd[845]: Device: /dev/sdg [SAT], read
> SMART Attribute Data worked again, warning condition reset after 1 email

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