On Sat, 20 Oct 2007, Michael Tokarev wrote:

There was an idea some years ago about having an additional layer on
between a block device and whatever else is above it (filesystem or
something else), that will just do bad block remapping.  Maybe it was
even implemented in LVM or IBM-proposed EVMS (the version that included
in-kernel stuff too, not only the userspace management), but I don't
remember details anymore.  In any case, - but again, if memory serves
me right, -- there was low interest in that because of exactly this --
drives are now more intelligent, there's hardly a notion of "bad block"
anymore, at least persistent bad block, -- at least visible to the
upper layers.

/mjt


When I run 3dm2 (3ware 3dm2/tools/daemon) I often see LBA remapped sector, success, etc..

My question is, how come I do not see this with mdadm/software raid?

Justin.
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