Date: Sun, 31 May 1998 09:52:38 +0930 From: Greg Lehey <grog@lemis.com> To: Jake <jake@checker.org>, freebsd-questions@FreeBSD.ORG Subject: Re: some ccd questions Message-ID: <19980531095238.G16873@freebie.lemis.com> In-Reply-To: <199805302220.SAA01012@elephants.dyn.ml.org>; from Jake on Sat, May 30, 1998 at 06:20:24PM -0400 References: <199805302220.SAA01012@elephants.dyn.ml.org>
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On Sat, 30 May 1998 at 18:20:24 -0400, Jake wrote: > Hi, > soon as I have the money I want to add a second hard drive > to my system, identical to the one I have now ( wd caviar AC22500 ) > I'd like to configure part of it using the ccd driver, > namely my swap and /usr partitions. > I'm running a pretty recent build of -current. > > Here's my plan: > > root - wd0s1a ~50 megs > /var - wd2s1a ~50 megs > swap - ccd0c ; wd0s1b & wd2s1b ~64 megs each, 128 total > /usr - ccd1c ; wd0s1e & wd2s1e ~1 gig each, 2 gigs total > > the letters might be wrong, I'm just extrapolating from my fstab > and the man page, but you get the drift. > > wd0s2 and wd2s2 will be fat32 partitions, for win95, > storage, my ftp site, etc... > > Is this nuts? No. > Can the ccd driver stripe slices together? Yes. > all the examples are "ccdconfig ccd0 32 0 /dev/sd2e /dev/sd3e" > ... no "s1" Since it'll mostly be a random-access oriented workload > I figured I'd use a large interleave, maybe 65,536. I don't consider that a large interleave. It's about normal. > Should swap be the same? Should I use the CCDF_SWAP ( 0x01 ) flag > for swap? Yes. I'm working on a replacement for ccd. Check out http://www.lemis.com/vinum.html for more details. Greg -- See complete headers for address and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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