ATA Error Counts increasing

[PK1048]

Are you seeing ZFS CKSUM errors as well?
Storage → Pool → Manage Devices
–or–
/sbin/zpool status

Are the drives behind SATA Port Multipliers?

Multiply your problems with SATA Port Multipliers and cheap SATA controllers

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. In the last year or two, we’ve had a resurgence of users asking about SATA Port Multipliers and cheap SATA controllers. Please, do NOT use port multipliers, and use cheap SATA controllers only after extensive research. SATA controllers and SATA Port Multipliers are some of the cheapest hardware, designed to make a number of hard drives acc…