Andrew Paprocki wrote:
> I've been encountering many, many problems with Hitachi 1tb drives
> under a Sil3114 chipset and I'm wondering if there could be something
> wrong with the driver/chipset in relation to these drives.
> Statistically, I've had 6 out of 7 drives exhibit very strange failure
> conditions while being used under this controller.
> 
> Some symptoms:
> - Clicking noises while in operation
> - What appears to sound/feel like the drive spins down quickly and
> back up again with no console output

This most definitely is a power problem.

> - SMART reporting seek read errors which mysteriously appear/disappear
> completely
> - Failed I/O requests

And you'll lose data and corrupt filesystems too.

Buy a new cheap single lane PSU.  Power it up and connect half of the
drives to the new PSU.

-- 
tejun
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