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Re: RAID 5 Multiple Hard-drives failure (fwd)

I sent this email several hours ago and didn't see it appear on the list, so if this is a duplicate, my apologies..

Hi Bruno,

On Wed, 15 Mar 2006, Bruno Wolff III wrote:

On Wed, Mar 15, 2006 at 07:49:59 -0600,
 Les Mikesell <lesmikesell gmail com> wrote:
Doing a cat of the raw device to /dev/null once in a while will
give smartd a chance to report errors.  The drive should even
internally remap a certain number of 'soft' errors transparently
if it is able to recover the data with retries but again it
will only do that if you access the bad spot.

You should be using long self tests to do surface scans of the disk.

Are you saying Les's idea of catting the raw device to /dev/null is not sufficient to do a surface scan test? If it isn't, what is your recommendation?



A sadist is a masochist who follows the Golden Rule.

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