Random disk alerts that don’t exist

[etorix]

In short: These alerts points to a very real issue which warrants investigation.

Check the SMART reports of your drives. Run long tests as may be required.
Check and adjust TLER values.

Checking for TLER, ERC, etc. support on a drive

This resource was originally created by user: jgreco on the TrueNAS Community Forums Archive. Please DM this account or comment in this thread to claim it. One of the problems with consumer-grade hard drives is that most of them will hang in the event that they run into an error, and will internally retry the operation, possibly for a minute or more. For a desktop PC, where redundancy does not exist, this is the correct course of action, because failure of a sector means loss of the data. Ente…