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From: "Ted Mittelstaedt" <tedm@toybox.placo.com>
To: "Chris Boyd" <cboyd@gizmopartners.com>, <freebsd-questions@freebsd.org>
Date: Mon, 24 Sep 2007 18:42:49 -0700
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Subject: RE: Update on data corruption with Tyan/3Ware
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3ware is supported by the manufacturer - what do they say?

Ted

> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org
> [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Chris Boyd
> Sent: Monday, September 24, 2007 2:54 PM
> To: freebsd-questions@freebsd.org
> Subject: Update on data corruption with Tyan/3Ware
> 
> 
> Here's an update on my odd problem.  Thanks to Don B for some hints  
> that helped us start looking in a better directions.
> 
> System is a Tyan Thunder K8SE motherboard with dual Opteron 250  
> 2.4GHz CPUs and a 3Ware 9550SX-4LP PCI Express four port RAID  
> controller running in RAID 5.  Disks are 4x Seagate 500GB SATA.  4GB  
> Memory.
> 
> Latest BIOS and firmware on mobo and RAID controller.
> 
> FreeBSD 6.2 AMD64 with all patches as of 9-21-2007
> 
> We've narrowed the problem down to files that are > 4GB.  Anytime we  
> have a file that's > 4GB, we get inconsistent checksums, can't  
> uncompress it, etc.  Files < 4GB are fine.
> 
> So is this a RAID controller issue?  A filesystem problem?  All hints  
> appreciated.
> 
> --Chris
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