Date: Tue, 7 Mar 2000 16:39:07 -0600 (CST) From: Kevin Day <toasty@dragondata.com> To: webweaver@rmci.net (Ken) Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Vinum Stripe Size Message-ID: <200003072239.QAA93953@celery.dragondata.com> In-Reply-To: <4.2.0.58.20000307152825.00956e20@mail.rmci.net> from "Ken" at Mar 07, 2000 03:32:56 PM
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> > Greets: > > Vinum simple config uses 256k stripe sizes. However, the examples in _The > Complete FBSD_ and Greg's web pages use 512k stripe size. It doesn't > appear that this will make a whole lot of difference one way or the other, > but I am curious about what others are using. This application is for > stripped mirror on four 9GB drives. > > Thanks for your output-- Ken > Actually, I discovered that with 4 drives, you're much better off using an odd stripe size. (not a power of two) This is because of how the cylinder groups are laid out, they'll all end up on one drive. You may want to ask Greg Lehey (grog@lemis.com) for more info about this, as I can't remember exactly what he came up with for an optimum stripe size. Kevin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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