How RAID 10 works (was: Re: Password Security)

N.J. Mann njm at njm.f2s.com
Thu Nov 23 14:24:34 PST 2006


PMFJI

On Thu 23 Nov 23:08, VeeJay wrote:
> Well, I am not an expert on FreeBSD. And thats why I don't know that how it
> works that
> 
> If 4 Disks of same size for example 146GB each and they are configured with
> RAID 10, and Root, SWAP, /usr, /var File systems have been created on them.
> And if one takes one or two harddisks and how come he would be able to read
> the data when data is splited on 4 disks?

With a four disk RAID 10 array you would need two (or more) drives and
it would have to be the right two in order to read _all_ of the data.
See:

http://www.techtutorials.net/tutorials/hardware/raid.shtml

RAID 10 is near the bottom.


Cheers,
       Nick.
-- 
"Elves are wonderful. They provoke wonder.
Elves are marvellous.  They provoke marvels.
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Elves are enchanting.  They weave enchantment.
Elves are terrific.  They beget terror.
No-one ever said elves are _nice_.
Elves are _bad_."


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