On Tue, Jul 1, 2008 at 5:01 AM, Daniel Eriksson <[EMAIL PROTECTED]>
wrote:

>
> I am having problems with silent data corruption on (some) drives
> connected to an MCP55 SATA controller.
>


I have an MCP55 controller here running most of my RAID array.  When I
origionally loaded this machine, I had many problems until I figured out I
could only use every other SATA port with any degree of reliability.

It turned out that with the first two drives I bought, this every-other rule
was true. These drives are:

ad4: 238475MB <SAMSUNG SP2504C VT100-33> at ata2-master SATA300

But When I bought new drives, they happily used every channel:

ad10: 715404MB <WDC WD7500AAKS-00RBA0 30.04G30> at ata5-master SATA300

The difference, I'm lead to believe, is that the Samsung drive is a PATA
drive with a SATA to PATA bridge on it.  The newer "true SATA" drives work
fine.
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