From owner-freebsd-questions Fri Feb 12 17:42:48 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA08870 for freebsd-questions-outgoing; Fri, 12 Feb 1999 17:42:48 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA08863 for ; Fri, 12 Feb 1999 17:42:44 -0800 (PST) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id MAA24892; Sat, 13 Feb 1999 12:12:41 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id MAA40732; Sat, 13 Feb 1999 12:12:39 +1030 (CST) Message-ID: <19990213121239.B54333@lemis.com> Date: Sat, 13 Feb 1999 12:12:39 +1030 From: Greg Lehey To: Jaye Mathisen Cc: FreeBSD Questions Subject: Re: Ooops, new vinum weirdness... References: <19990213113320.Y54333@lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: ; from Jaye Mathisen on Fri, Feb 12, 1999 at 05:26:32PM -0800 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Friday, 12 February 1999 at 17:26:32 -0800, Jaye Mathisen wrote: > > On Sat, 13 Feb 1999, Greg Lehey wrote: > >> [Format recovered at freebie.lemis.com] >> >> On Friday, 12 February 1999 at 16:51:19 -0800, Jaye Mathisen wrote: >>> >>> D drive1 State: up Device /dev/da2c >>> D drive2 State: up Device /dev/da3c >>> D drive3 State: up Device /dev/da4c >>> >>> V vol0 State: up Plexes: 2 Size: 11 GB >>> >>> P vol0.p0 S State: up Subdisks: 3 Size: 11 GB >>> P vol0.p1 S State: up Subdisks: 3 Size: 11 GB >>> >>> S vol0.p0.s0 State: up PO: 0 B Size: 4000 MB >>> S vol0.p0.s1 State: up PO: 16 kB Size: 4000 MB >>> S vol0.p0.s2 State: up PO: 32 kB Size: 4000 MB >>> S vol0.p1.s0 State: up PO: 0 B Size: 4000 MB >>> S vol0.p1.s1 State: up PO: 16 kB Size: 4000 MB >>> S vol0.p1.s2 State: up PO: 32 kB Size: 4000 MB >>> >>> Isn't plex vol0.p1 kind of useless to me? Seems like this shouldn't be >>> allowed. >> >> Not at all. This is very definitely a feature, not a bug. You have >> now just mirrored your volume. Of course, it would be better to >> mirror on a different set of disks, but it works. >> >> BTW, your stripe size (16 kB) is *far* too small. Somebody pointed >> out that that was in the man page, but it was wrong. It's now set to >> 256 kB. Unfortunately, you can't change your stripe size online. > > Are you telling me that if I had actually newfs'd this, that it would've > created a mirrored 5.5 GB partition on the same disk? No. That's not the way volumes map to plexes. > I must be stupid, but I just don't see how this config means anything. I think you need to read the man pages. > I can't have 2 11GB drives (mirrored or not), since there's only 12GB of > disk space total. Oh. Then you should have got an error message when creating the additional subdisks. > If p1.s0, p1.s1, and p1.s2 were different than p0..s0, p0.s1 and p0.s2, in > any way, then I could see it. Well, you could if you use the command `vinum list -V. What does it say? Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page 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