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SubjectRe: Strange read data corruption on ext4/LVM/md
On 05/20/2010 09:14 AM, Pierre Ossman wrote:
> Note that this is a live system, so there is some chance that something
> wrote to than area, then restored it to the previous state. I'm not
> sure how likely that is.
>
> If not, then it would seem that this is a problem in either the disks,
> the controller or the controller driver. The components are WD
> WD1002FAEX, sil3132 and sata_sil24 respectively.

There is a report that sil3124/32 recognizes FIS corruption but keeps
using the payload anyway thus leading to data corruption when the bus
condition on pci-e side isn't ideal. Does moving the controller to
different slot make difference?

Thanks.

--
tejun


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