Re: Integrated perc 5/i - Mailing list pgsql-performance

From Decibel!
Subject Re: Integrated perc 5/i
Date
Msg-id 20070816195110.GO54309@nasby.net
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In response to Re: Integrated perc 5/i  ("Steinar H. Gunderson" <sgunderson@bigfoot.com>)
List pgsql-performance
On Thu, Aug 16, 2007 at 07:59:15PM +0200, Steinar H. Gunderson wrote:
> On Thu, Aug 16, 2007 at 10:53:00AM -0700, Luke Lonergan wrote:
> > They have a setting that sounds like RAID10, but it actually
> > implements spanning of mirrors.
>
> That's interesting. I'm pretty sure it actually says "RAID10" in the BIOS,
> but is this a lie?

Unless they use the "plus notation" (ie: RAID 1+0 or RAID 0+1), you
never truly know what you're getting.

BTW, there's other reasons that RAID 0+1 stinks, beyond just
performance.
--
Decibel!, aka Jim Nasby                        decibel@decibel.org
EnterpriseDB      http://enterprisedb.com      512.569.9461 (cell)

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