Date: Mon, 1 Nov 1999 11:59:34 -0500 From: Greg Lehey <grog@lemis.com> To: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>, Doug White <dwhite@resnet.uoregon.edu> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: CCD questions Message-ID: <19991101115934.04368@mojave.sitaranetworks.com> In-Reply-To: <19991101174929.A36991@internal>; from Andre Albsmeier on Mon, Nov 01, 1999 at 05:49:29PM %2B0100 References: <19991031195351.A22791@internal> <Pine.BSF.4.10.9911010834540.27564-100000@resnet.uoregon.edu> <19991101174929.A36991@internal>
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On Monday, 1 November 1999 at 17:49:29 +0100, Andre Albsmeier wrote: > On Mon, 01-Nov-1999 at 08:36:35 -0800, Doug White wrote: >> On Sun, 31 Oct 1999, Andre Albsmeier wrote: >> >>>> ccdconfig manufactures a disklabel when you create the stripe, so you >>>> don't need to adjust the disklabel. The subdisks must have disklabels, >>>> and you can't use the C partition since ccd only uses partitions of type >>>> 4.2BSD. >>> >>> Does that mean I should not use partition c as a 4.2BSD type? This is what >>> I am currently doing on all disks (ccd'ed or single) if the whole disk is >>> used as one big filesystem, e.g.: >> >>> # size offset fstype [fsize bsize bps/cpg] >>> c: 45322644 0 4.2BSD 1024 8192 16 # (Cyl. 0 - 2810*) >> >> I've been admonished for using the c partition as a filesystem since it's >> somewhat magic. For regular disks the running recommendation is to make >> another partition (a or g or whatever) that is identical to the c >> partition information, and to newfs/mount that. I personally haven't run >> into problems but I've been warned that the c partition interface is >> subject to change. > > OK, I see. So I am going to use the a partition in future and leave > c unused. BTW, it's pretty trivial to change things. Run 'disklabel -e da0' (or whatever your drive is), duplicate the line and change to, say: c: 45322644 0 unused 1024 8192 16 # (Cyl. 0 - 2810*) e: 45322644 0 4.2BSD 1024 8192 16 # (Cyl. 0 - 2810*) Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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