Date: Sat, 4 May 1996 08:04:39 +1000 From: Bruce Evans <bde@zeta.org.au> To: asami@CS.Berkeley.EDU, rgrimes@GndRsh.aac.dev.com Cc: ccd@stampede.cs.berkeley.edu, current@FreeBSD.ORG Subject: Re: ccd offset, please review + test Message-ID: <199605032204.IAA19156@godzilla.zeta.org.au>
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> * And /dev/sd237c should _not_ be used. You should manually go add a > * /dev/sd237a and use that for the ccd, this should eliminate your problem. >For the whole slice, or with an offset? In other words, is sdXc >special because of its name, or because it is the only partition that >starts at the beginning? sdXc is conventionally the whole slice. Making it smaller than the whole slice is fairly harmless and fairly useless. >Wait, the latter doesn't make sense, all the machines here have the >root filesystem starting at offset 0 (within the slice). So you're >saying sdXc is special because it has the letter `c' in it? Grep for RAW_PART in /sys to see where sdXc is special. It's special before a label exists (then it's the only partition than can be opened) and after a label exists (then the label on it is write protected ...). > * Conventient, but wrong to do. UNIX has reserved xxYc for as long as > * I can remeber, using it for file systems is a sure fire way to burn > * yourself. >Well I don't think that is true, the SunOS machines I was I think he means BSD. >Anyway, I just tried creating a regular filesystem on /dev/sd237c >(actually sd1c, but who's counting) on our FreeBSD machine. It seems >to work, are you sure it isn't supposed to? I use /dev/rsds1 partitioned normally and /dev/rsds[2-4] essentially unpartitioned (I have to put a label on them to keep newfs happy but mount handles arbitrary block devices with a supported file system on them). Bruce
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