On Jan 26, 2007, at 13:16, Dana H. Myers wrote:
I would tend to expect these spurious events to impact read and write
equally; more specifically, the chance of any one read or write being
mis-addressed is about the same. Since, AFAIK, there are many more
reads
from a disk typically than writes, this would seem to suggest that
there
would be more mis-addressed reads in a drive/year than mis-addressed
writes. Is this the reason for the asymmetry?
Jim's "once per drive per year" number was not very precise. I took it
to be just one significant digit. I don't recall if he distinguished
reads from writes.
--Ed
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