Re: single bit errors on files stored on USB-HDDs via USB2/usb_storage

From: Stefan Richter
Date: Fri Dec 08 2006 - 07:27:49 EST


Oliver Neukum wrote:
> Am Freitag, 8. Dezember 2006 11:39 schrieb Matthias Schniedermeyer:
>> > Also, you mentioned that the corruption occurs systematically on certain
>> > byte patterns. Therefore it's certainly not related to the cables.
>>
>> It'd guess that too, but who can that say for sure. :-|
>
> You may have a bit pattern that stresses the controllers and suddenly
> a marginal cable may matter.

And one more thing: I heard of FireWire enclosures which corrupted data
(although AFAIR with error detection by the drivers) due to overheating
PHY chip or bridge chip. Gluing a small passive heat sink to the
respective chip solved it in the reported case.
--
Stefan Richter
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