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DragonFly users List (threaded) for 2012-03
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Re: FAILURE - READ_DMA48 status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> LBA=441504576

From: McLone <mclone@xxxxxxxxx>
Date: Fri, 30 Mar 2012 18:22:17 +0300

On Fri, Mar 30, 2012 at 14:39, Siju George <sgeorge.ml2@gmail.com> wrote:
> Is this a problem with Hard Disk?
> ad3: FAILURE - READ_DMA48 status=51<READY,DSC,ERROR>
seems so...
> error=10<NID_NOT_FOUND> LBA=441504576
honestly i never had it complain about NID and idunno what is NID either.
> # smartctl -l selftest /dev/ad3
you better look in smart table (-a -i, look for remap events in 1st place),
and test with some low-level tool, like MHDD or dd{_resque}.

What was the disk's history?
Was it damaged by external force?
Was it overheated? How many time is on spindle?
How many parks-unparks?
Any strange sounds?
Is read/write graph without strange apexes? (MHDD shows unusual delays,
too, but hdtach can show nice graphs; one can even SIGINFO dd and graph that)
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  net- and *BSD admin     '---''(_/--'  `-'\_)   ...translit rawx!

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