SMART Usage Attribute: 7 Seek_Error_Rate changed from 100 to 200

Gandalf Corvotempesta <[email protected]> Sun, 19 Mar 2017 12:56:34 +0100
Newsgroups gmane.linux.utilities.smartmontools
Message-ID <CAJH6TXgk5AQZfVANrD8cSN4NsRV1CVnybtzPP2EyRW475w_p6w@mail.gmail.com>
I'm getting the following in syslog:

Mar 19 01:52:50 x smartd[5280]: Device: /dev/sda [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 200 to 100
Mar 19 01:52:50 x smartd[5280]: Device: /dev/sdb [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 200 to 100
Mar 19 01:52:50 x smartd[5280]: Device: /dev/sdc [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 200 to 100
Mar 19 08:22:50 x smartd[5280]: Device: /dev/sda [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 100 to 200
Mar 19 08:22:50 x smartd[5280]: Device: /dev/sdc [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 100 to 200
Mar 19 08:52:51 x smartd[5280]: Device: /dev/sdb [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 100 to 200
Mar 19 09:22:50 x smartd[5280]: Device: /dev/sda [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 200 to 100
Mar 19 09:22:50 x smartd[5280]: Device: /dev/sdb [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 200 to 100
Mar 19 09:22:50 x smartd[5280]: Device: /dev/sdc [SAT], SMART Usage
Attribute: 7 Seek_Error_Rate changed from 200 to 100


as you can see, all drives are getting the same change at the same
time for the same value.
Pretty strange.

Is this a bug or something is happening ?

Disks are pretty new, only about 5600 hours.

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