My scheduled parity check completed yesterday with no errors. Today i received an alert for Current_Pending_Sector and Offline_Uncorrectable increases on one of my data drives. Attached is the extended SMART test, should i be replacing this drive?

 

WDC_WD80EMAZ-00WJTA0_7SHASSUD-20190303-1435.txt

It's a judgement call. At the very least, get a replacement ready to go and installed in a spare slot if you have one. I usually don't replace my disks until I start seeing read errors.

When making that call, remember that if you have another drive suddenly go bad, you will be relying on a drive you know is questionable to rebuild that data. Only you can make the call of how valuable your data is to you.

 

As always, parity protection in unraid is NOT a substitute for backups.

Drive failed the SMART test, it should be replaced now.

Thanks to everyone for the responses, i'll be replacing the drive.