Re: Why is sb->size set to 0 with raid0?

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On Thu, 22 Jul 2010 18:50:54 +0600
Roman Mamedov <roman@xxxxxxxx> wrote:

> On Thu, 22 Jul 2010 15:34:56 +1000
> Neil Brown <neilb@xxxxxxx> wrote:
> 
> > For RAID0 (and linear), there is no such number.  The devices can be of
> > different sizes and in each case "all" of the available space is used.
> 
> That sounds a bit surprising, excuse my ignorance, but how a RAID0 of
> differently-sized devices is laid out? Is the "tail" of the larger device
> simply used in linear mode, adding space to the striped "heads"?
> 

% man md

search for "RAID0"

read and enjoy.

NeilBrown
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