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Date:      Mon, 13 Mar 2000 19:55:41 -0600
From:      James <mlistbsd@icorp.net>
To:        Mike Tancsa <mike@sentex.ca>, freebsd-questions@freebsd.org
Subject:   Re: RAID/config questions
Message-ID:  <38CD9C1C.762F1A26@icorp.net>
References:  <38c48132.1056418179@mail.sentex.net> <MAIL38C45697.D736070F@icorp.net> <38c48132.1056418179@mail.sentex.net> <4.2.2.20000310075733.03768210@mail.sentex.net> <3.0.5.32.20000313110217.01557100@marble.sentex.ca> <3.0.5.32.20000313112105.0159f6c0@marble.sentex.ca>

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Mike Tancsa wrote:

> At 10:07 AM 3/13/00 -0600, James wrote:
> >Cool.  Can you give me some specifics on models/pricing/source?
>
> Search around the web for the best price. You can get the older DAC 960
> cards cheap on ebay and places like that. But its up to you what fits your
> budget.
>
> >Do you recommend RAID 0+1 or RAID 5?
>
> Really depends on what you are doing.  Have a look at some the general RAID
> discussions to see what fits your needs the best.  There are quite a few
> good resources out there.

Thanks very much Mike for the excellent ongoing advice.  I think I'm going to
go with a RAID 5 setup.  What is the "latest and greatest" AMI RAID card (PCI)
which is fully supported by FreeBSD?

Let me ask for your advice (and anyone else who may have comments).  If under
RAID 5, write operations are slower, and in a web server environment, with
logging you have as many write operations as read operations, I'm wondering if
it might be prudent to configure the server to write log files to a non-RAID
drive and run all the other systems from a RAID 5 array?  Like 3 drives in a
RAID 5 configuration, with a fourth drive non-RAID, holding non-critical
logging data.  How practical is this?  Can a single RAID controller handle this
type of set up?  Can the RAID array be bootable?

Thanks!



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