SMART error (SelfTest) detected on host: uranus

[auton.sysnotify at gmail.com]

This message was generated by the smartd daemon running on:

   host name:  uranus
   DNS domain: int.autonlab.org

The following warning/error was logged by the smartd daemon:

Device: /dev/da21 [SAT], Self-Test Log error count increased from 0 to 1

Device info:
ST4000NM0024-1HT178, S/N:Z4F03FYW, WWN:5-000c50-07b0d00e3, FW:SN02, 4.00 TB

For details see host's SYSLOG.

You can also use the smartctl utility for further investigation.
No additional messages about this problem will be sent.