Date: Thu, 3 Jul 2008 20:52:25 -0400 From: "Zaphod Beeblebrox" <zbeeble@gmail.com> To: "Daniel Eriksson" <daniel_k_eriksson@telia.com> Cc: legioner.r@gmail.com, morten@lightworkings.dk, freebsd-stable@freebsd.org, sos@freebsd.org Subject: Re: MCP55 SATA data corruption in FreeBSD 7 Message-ID: <5f67a8c40807031752r22c3391ds23ab57cb59d2cd32@mail.gmail.com> In-Reply-To: <4F9C9299A10AE74E89EA580D14AA10A61A1968@royal64.emp.zapto.org> References: <4F9C9299A10AE74E89EA580D14AA10A61A1968@royal64.emp.zapto.org>
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On Tue, Jul 1, 2008 at 5:01 AM, Daniel Eriksson <daniel_k_eriksson@telia.com> 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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