Re: FAILURE - READ_DMA48 status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> LBA=441504576

[McLone <mclone@xxxxxxxxx>]

On Fri, Mar 30, 2012 at 20:45, Siju George <sgeorge.ml2@gmail.com> wrote:
>> you better look in smart table (-a -i, look for remap events in 1st place),
> Could you please tell me how to do this?
smartctl -s on <dev> && smartctl -a -i <dev> i guess...
first command is unnecessary now-a-days, was mandatory
with old disks/BIOSes that didn't enable SMART on boot.
>> Was it overheated?
> The server is in A/C room is there any way to find this ?
it really depends on disk, some disks have thermo sensors,
so you can even get ASCII graphs from latest smartctl.
>> How many time is on spindle?
>> How many parks-unparks?
> I will need help here to find this :)
smartctl -a -i will show that too, i guess

see also here:
http://lists.freebsd.org/pipermail/freebsd-questions/2011-July/232257.html
and here (scroll down to 3rt occurrance of NID):
http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting

I'd also test it with some other kernel, and with
sequential then random {reads, then writes}...
What is it, btw? (the drive) Which model? Does it need FW upgrade?
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