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Date: Fri, 10 Oct 2008 15:47:06 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "John Keiffer" <john.keiffer@onstor.com>
Subject: Re: Base configuration
Message-ID: <20081010154706.68fd6587@ripper.onstor.net>
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John,

Since I am getting to the party late, I guess I need some educating.
Can you tell me what exactly does it mean a raidz2 pool?  Is there a
FAQ or something laying about?

Thanks,

a


On Fri, 10 Oct 2008 14:36:33 -0700 "John Keiffer"
<john.keiffer@onstor.com> wrote:

> I just need to clarify that everyone agrees that we will offer our
> customers a single Raidz2 zpool with 1 hot spare disk. Do we have
> agreement on that?
> 
>  
> 
> In the 10 o'clock Leopard meeting yesterday it was said that having a
> single log disk (and one that is not any faster than the others) is
> probably not worth doing. 
> 
>  
> 
> Should we instead use a disk as a cache disk to see if we get any
> increase in performance? 
> 
>  
> 
> If not, then this is what the proposed configuration would look like:
> 
>  
> 
> volume: ONStor2-Raidz2
> 
>  state: ONLINE
> 
>  scrub: none requested
> 
> config:
> 
>  
> 
>         NAME         STATE     READ WRITE CKSUM
> 
>         ONStor2-Raidz2  ONLINE       0     0     0
> 
>           raidz2     ONLINE       0     0     0
> 
>             c2t10d0  ONLINE       0     0     0
> 
>             c2t11d0  ONLINE       0     0     0
> 
>             c2t12d0  ONLINE       0     0     0
> 
>             c2t13d0  ONLINE       0     0     0
> 
>             c2t14d0  ONLINE       0     0     0
> 
>             c2t15d0  ONLINE       0     0     0
> 
>             c2t16d0  ONLINE       0     0     0
> 
>             c2t17d0  ONLINE       0     0     0
> 
>             c2t18d0  ONLINE       0     0     0
> 
>             c2t19d0  ONLINE       0     0     0
> 
>             c2t20d0  ONLINE       0     0     0
> 
>         spares
> 
>           c2t21d0    AVAIL
> 
>  
> 
>  
> 
> Thank you,
> 
> John Keiffer
> 
>  
> 
>  
> 
