clear metadata using dd?

Oliver Fromme olli at lurza.secnetix.de
Tue Jan 23 18:30:34 UTC 2007


Hi,

I just noticed this message today, and there's one thing
I don't understand ...

Fernan Aguero wrote:
 > I'm trying to set up two disks to contain both gmirrored and
 > gstriped slices.
 > 
 > This is what I'm trying to achieve:
 > adxs1, swap
 > adxs2, gmirror
 > adxs3, gstripe

Can someone please explain why such a setup makes sense?

As far as I can tell, the purpose of gmirror is to provide
redundancy in the case of drive failure.  I.e. if one
drive fails, the system keeps running happily instead of
crashing.

But if only part of the disk is mirrored, then the system
will still crash if one drive fails.  So what is the point
of using gmirror, if not on whole disks?

Just wondering.

Best regards
   Oliver

-- 
Oliver Fromme,  secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
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