[sclug] Copy drive problem
Alex Butcher
lug at assursys.co.uk
Fri Mar 1 17:02:04 UTC 2013
On Fri, 1 Mar 2013, Neil Haughton wrote:
> Then I tried as root to 'dd' the sdb1 partition (/var) to its new home:
>
> dd if=/dev/sdb1 of=/dev/sdc1
>
> After a long pause the message 'read error' appeared and dd bombed out,
> with only a couple of MB transferred. Why would this be? Have I done
> anything wrong or missed out a vital step?
Sounds like /dev/sdb has developed a bad block or two. You'll need to write
to the block(s) in question to force the drive's firmware to reallocate them
if it's a hard error.
Alternatively, restore from backups onto /dev/sdc1. You do have backups,
right?!? ;-)
> TIA
> Neil
Best Regards,
Alex
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