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DateWed, 29 Oct 2008 18:37:42 -0400
FromRic Wheeler <>
SubjectRe: sata errors with Seagate 1.5TB on AMD 780G/SB700 motherboard
Phillip O'Donnell wrote:
> Hi Ric,
>
> Not too sure about that - I run with XFS, which announces that it
> disables the barriers on my devices (I use LVM on top of them) but
> still get the same issue... Unless I've misunderstood your comment?
>
> Cheers,
> Phillip
>
XFS has a different issue with barriers that has been recently fixed.

I am just going based on what I read at the Seagate customer site - it
looks like the hang was during the processing of the ATA_CACHE_FLUSH_EXT
command.

New drives are routinely buggy to some degree, especially ones that jump
up in capacity :-) Seagate has a well earned reputation for quality and
I will be surprised if they don't fix this issue soon,

Ric

>
>> I suspect that the drive is simply choking on the barrier related cache
>> flushing that we do - that seemed to be the MacOS error as well. The windows
>> comment suggested that windows had an hba/driver bug (most likely unrelated
>> to this).
>>
>> If you want to avoid the issue until they fix the drive, you could run fast
>> and dangerous (mount without barriers on) or slow and safe (disable the
>> write cache).
>>



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