Update on data corruption with Tyan/3Ware

[Bart Silverstrim]

Ted Mittelstaedt wrote:
> 3ware is supported by the manufacturer - what do they say?
> 
> Ted
> 
>> -----Original Message-----
>> From: owner-freebsd-questions at freebsd.org
>> [mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Chris Boyd
>> Sent: Monday, September 24, 2007 2:54 PM
>> To: freebsd-questions at 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.

How are you getting the files on the system?  Network transfer? Direct 
copy from a disc?

What filesystem is it you're using?

3ware is well supported under Linux, from what I can tell and what I've 
experienced, and can't imagine that a manufacturer with a good track 
record of driver support for Linux for so long would not support FreeBSD 
as well.