This message was generated by the smartd daemon running on:
host name: mw1256 DNS domain: eqiad.wmnet
The following warning/error was logged by the smartd daemon:
Device: /dev/sda [SAT], 1 Offline uncorrectable sectors
WDC WD5003ABYX-18WERA0, 500 GB
For details see host's SYSLOG.
You can also use the smartctl utility for further investigation.
Another message will be sent in 24 hours if the problem persists.