From owner-freebsd-questions Sat Mar 27 1: 2:50 1999 Delivered-To: freebsd-questions@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id 1CDD914E14 for ; Sat, 27 Mar 1999 01:02:46 -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 TAA14018; Sat, 27 Mar 1999 19:32:26 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id TAA53588; Sat, 27 Mar 1999 19:32:06 +1030 (CST) Message-ID: <19990327193206.D53452@lemis.com> Date: Sat, 27 Mar 1999 19:32:06 +1030 From: Greg Lehey To: kiril@idea.co.uk, freebsd-questions@FreeBSD.ORG Subject: Re: vinum with MANY parts References: <199903251729.RAA18994@idea.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.93.2i In-Reply-To: <199903251729.RAA18994@idea.co.uk>; from Kiril Mitev on Thu, Mar 25, 1999 at 05:29:24PM +0000 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 Thursday, 25 March 1999 at 17:29:24 +0000, Kiril Mitev wrote: > Hi All > > This is what i am trying to do... > I have 2 disks of 4gb and 2 disks of 8gb, and i am > trying to make them into 1 big volume... > > questions :-) > 1. my understanding is that if more than one plex is in > a volume, these plexes (en) become mirrors, right ? Yes. > 2. so, all 4 disks should be in one plex, right ? Almost. The *contents* of the drives should be in one plex. You need to create a subdisk which uses up all the space in a drive, and add that to the plex. > 3. i should be able to 'concat' all 4 disks into a plex, right ? Yes. > 4. is it possible (if yes, how?) to set the equal-sized > 'drives' to be striped ? Well, not really, since you can only stripe plexes. And yes, each subdisk of a striped plex must be the same size. I'll leave it as an exercise for the reader to figure out how to make the subdisks the same size :-) Here's one possibility for the "one big volume" scenario: drive 1 device /dev/da1e drive 2 device /dev/da2e drive 3 device /dev/da3e drive 4 device /dev/da4e volume everything plex org concat sd length 4g drive 1 sd length 4g drive 2 sd length 2g drive 3 sd length 2g drive 4 You don't say which version of Vinum you're planning to use, but there has been a lot of work on -stable lately, and it'll be retrofitted to -STABLE Real Soon Now, so unless you're using 2.2.8, you should get the -CURRENT version from ftp://ftp.lemis.com/pub/vinum/ and test that. It'll run on 3.1 and -STABLE as well. In a couple of days, then, you can get the retrofitted version. 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