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Re: Quad processor options

From: allanwind(at)lifeintegrity(dot)com (Allan Wind)
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Quad processor options
Date: 2004-05-11 22:13:15
Message-ID: 20040511221315.GA12117@lifeintegrity.com (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-performance
On 2004-05-11T15:29:46-0600, scott.marlowe wrote:
> The other nice thing about the LSI cards is that you can install >1 and 
> the act like one big RAID array.  i.e. install two cards with a 20 drive 
> RAID0 then make a RAID1 across them, and if one or the other cards itself 
> fails, you've still got 100% of your data sitting there.  Nice to know you 
> can survive the complete failure of one half of your chain.

... unless that dying controller corrupted your file system.  Depending
on your tolerance for risk, you may not want to operate for long with a
file system in an unknown state.

Btw, the Intel and LSI Logic RAID controller cards have suspeciously
similar specificationsi, so I would be surprised if one is an OEM.


/Allan
-- 
Allan Wind
P.O. Box 2022
Woburn, MA 01888-0022
USA

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