Date: Tue, 24 Jul 2007 09:59:20 +0200 From: "Daniel Eriksson" <daniel_k_eriksson@telia.com> To: "FreeBSD Stable" <freebsd-stable@freebsd.org> Cc: Bill Swingle <unfurl@dub.net> Subject: RE: problems with Hitachi 1TB SATA drives Message-ID: <4F9C9299A10AE74E89EA580D14AA10A61A17B7@royal64.emp.zapto.org> In-Reply-To: <46A54B6F.9010100@dub.net> References: <46A54B6F.9010100@dub.net>
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Bill Swingle wrote: > I have a fileserver that currently has a 4-disc raid connected to an > IDE 3ware card. I had hoped to replace this dying system with a pair > of synchronized 1TB SATA drives. When trying to newfs them both > eventually failed with DMA READ or WRITE timeouts. Here's some infos: A few things to check: * Is your PSU powerful enough? (Test with the old RAID-5 set disconnected or with a different PSU.) * Does all fans in the box spin easily? (If the bearings of the old drives and fans are giving out they can draw a lot more power.) * If you disconnect ad4, does ad6 work fine by itself? * Does the problem go away if you replace the SATA cables? * Install smartmontools from ports and run a long selftest on both drives. (Or get the drive tools from Hitachi and run a full test from DOS.) * Is ACPI enabled and does 'vmstat -i' show any IRQ sharing? Maybe try to move some PCI cards around. /Daniel Eriksson
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