Re: RAID5 Not coming back up after crash

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On Mon, Nov 29, 2004 at 12:40:54PM -0500, Guy wrote:
> 
> Also, it is common for a disk to grow bad spots over time.  These bad spots
> (sectors) can be re-mapped by the drive to a spare sector.  This re-mapping
> will occur when an attempt is made to write to the bad sector.  So, you can
> repair your disk by writing to the bad sectors.  But, be careful not to
> overwrite good data.  I have done this using dd.

If you know the pathname of the file containing the bad spot (and have a copy
of the file then you could use shred(1):

NAME
       shred  -  delete a file securely, first overwriting it to hide its con-
       tents

SYNOPSIS
       shred [OPTIONS] FILE [...]
...


-- 
Frank
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