Re: Corrupt data - RAID sata_sil 3114 chip

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Hello Bengt,

sil3114 is known to cause data corruption with some disks. So far I only know
about Seagate, but maybe there issues with newer Samsungs as well?

http://lkml.indiana.edu/hypermail/linux/kernel/0710.2/2035.html

Unfortuntely this issue has been simply ignored by the SATA developers :(
So if you want to be on the safe side, go an get another controller. 

I hope I won't frighten you too much, but it also might be possible one of 
your disks has a problem,  I have also seen a few broken disks, which don't 
return what you write to it...


Cheers,
Bernd


On Fri, Jan 02, 2009 at 07:42:30AM -0500, Justin Piszcz wrote:
>
>
> On Fri, 2 Jan 2009, Bengt Samuelsson wrote:
>
>>
>> Hi,
>>
>> I need some support for this soft-raid system.
>>
>> I am running it as RAID5 with 4 samsung spinpoint 500G SATA300 tot 1.3T byte
>>
>> And it runs in http://sm7jqb.dnsalias.com
>> I use mdadm sytem in a Debian Linux
>> CPU 1.2Mhz 1G memory ( my older 433Mhz / 512M dont work at all )
>>
>> I have 'some courrupt' data. And I don't understand whay and how to fix it.
>> Mybee slow it down more, but how slow it down?
>>
>> Any with experents from this cheep way of RAID systems.
>>
>> Ask for more information and I can get it, logs, setup files and what 
>> you want
>> to know.
>>
>> -- 
>> Bengt Samuelsson
>> Nydalavägen 30 A
>> 352 48 Växjö
>>
>> +46(0)703686441
>>
>> http://sm7jqb.se
>>
>>
>> -- 
>> To UNSUBSCRIBE, email to debian-user-REQUEST@xxxxxxxxxxxxxxxx with a 
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>>
>
> If this is an mdadm-related raid (not dmraid) please show all relevant md 
> info, mdadm -D /dev/md0, I have cc'd linux-raid on this thread for you.
>
> You'll want to read md.txt in /usr/src/linux/Documentation and read on 
> the check and repair commands.
>
> In addition, have you run memtest86 on your system first to make sure its 
> not memory related?
>
> Justin.

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