Christoph Anton Mitterer wrote:
Roger Heflin wrote:
The failure can manifest itself in many ways, I have
only seen it as a read failure, but there should be no
reason why it cannot also show as a write failure.
It should be in the later vanilla kernels, it won't
be in the earlier ones, I would do a
find /lib/modules -name "*edac*" -ls
It is a hw issue, either something is running faster that
it should be (pci bus set to fast for the given hardware/config)
or something is broken.
The strange thing is that it always occures on the copied data,.. not
the original (which is on another disk). But wouldn those parity errors
not occur in general?
For example al my sha1sums -c sumfile checks are working corretly on the
original disk :/
It depends on which PCI bus has the issue and which hardware
is using the bus with the issue.
There are several different buses in most machines, and they are
broken out different ways, and the error can only affect one
or 2 devices on a certain part of the bus.
Roger
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