* Alan Cox ([EMAIL PROTECTED]) [20070910 14:54]:
Alan,
Thanks for your interest (and Bruce, for posting).
> - The ECC level on the drive processors and memory cache vary
> by vendor. Good luck getting any information on this although
> maybe if you are Cern sized they will talk
Do you have any
Alan, Robert, Dick,
Thank you all for the informed and helpful response!
Alan, I'll pass your comments on to Peter Kelemen. Not sure if he follows
LKML. I think he'll be interested in your characterization of the error
types. I'll point him to the thread. (I think Peter and his
collaborat
Bruce Allen wrote:
Dear LKML,
Apologies in advance for potential mis-use of LKML, but I don't know
where else to ask.
An ongoing study on datasets of several Petabytes have shown that there
can be 'silent data corruption' at rates much larger than one might
naively expect from the expected
On Mon, 10 Sep 2007, Bruce Allen wrote:
> Dear LKML,
>
> Apologies in advance for potential mis-use of LKML, but I don't know where
> else to ask.
>
> An ongoing study on datasets of several Petabytes have shown that there
> can be 'silent data corruption' at rates much larger than one might
> na
> In thinking about this, I began to wonder about the following. Suppose
> that a (possibly RAID) disk controller correctly reads data from disk and
> has correct data in the controller memory and buffers. However when that
> data is DMA'd into system memory some errors occur (cosmic rays,
>
Dear LKML,
Apologies in advance for potential mis-use of LKML, but I don't know where
else to ask.
An ongoing study on datasets of several Petabytes have shown that there
can be 'silent data corruption' at rates much larger than one might
naively expect from the expected error rates in RAID
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