On Sat, Aug 21, 2010 at 06:36:37PM -0400, Toby Thain wrote:
> 
> On 21-Aug-10, at 3:06 PM, Ross Walker wrote:
> 
> >On Aug 21, 2010, at 2:14 PM, Bill Sommerfeld <bill.sommerf...@oracle.com 
> >> wrote:
> >
> >>On 08/21/10 10:14, Ross Walker wrote:
> >>...
> >>>Would I be better off forgoing resiliency for simplicity, putting  
> >>>all my faith into the Equallogic to handle data resiliency?
> >>
> >>IMHO, no; the resulting system will be significantly more brittle.
> >
> >Exactly how brittle I guess depends on the Equallogic system.
> 
> If you don't let zfs manage redundancy, Bill is correct: it's a more  
> fragile system that *cannot* self heal data errors in the (deep)  
> stack. Quantifying the increased risk, is a question that Richard  
> Elling could probably answer :)

That's because ZFS does not have a way to handle a large class of
storage designs, specifically the ones with raw storage and disk
management being provided by reliable SAN devices.

-- 
-Gary Mills-        -Unix Group-        -Computer and Network Services-
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