[ale] Need an iso to wipe hard drives.

[Jim Kinney]

On Wed, Apr 21, 2010 at 9:25 PM, Chris Fowler
<cfowler at outpostsentinel.com>wrote:

> On Wed, 2010-04-21 at 21:11 -0400, Doug McNash wrote:
> > Yep, but Chris says he did an lseek to write over the file again which
> > is probably fast enough to only write over the buffer, not the disk.
>
> I neglected to say that in the for loop I did a fsync(2).  That is
> supposed to flush the buffers to disk.  Does it really though?
>
>
I thought fsync would write to the disk which puts it in cache (if used).
sync was the command to force the disks to write the cache to the platter.

>
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-- 
-- 
James P. Kinney III
Actively in pursuit of Life, Liberty and Happiness
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