On 08/06/11 15:47, Durval Menezes wrote:
I'm sorry if I did not make myself clear; I've already run both a
"repair" on the RAID (see above) and a "smart -t long" on the
particular disk... I had about 40 bad sectors before, and now have
just 4, but these 4 sectors persist as being marked in error... I
think the "RAID repair" didn't touch them.
Apologies, I obviously missed that fact.
I think your best course of action in this case is to test both the
other drives with SMART long checks and fail/replace the faulty one.
I've never had md not report a repaired sector when performing a repair
operation.
I'll just re-iterate, if you take the bad sectors away without a good
copy of the data on them, md won't know it is supposed to reconstruct
those missing sectors.
Hrm.. *or*, and this is a big *or* you could use hdparm to create
correctable bad sectors on the copy at the appropriate LBA's, and md
should do the right thing as it will get read errors from those, which
will go away when they are re-written.
I'd not thought of that before, but it should do the trick.
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