From owner-freebsd-questions Thu Mar 29 16:54:12 2001 Delivered-To: freebsd-questions@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id BB1D437B71B for ; Thu, 29 Mar 2001 16:54:08 -0800 (PST) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 066AB6AB61; Fri, 30 Mar 2001 10:24:07 +0930 (CST) Date: Fri, 30 Mar 2001 10:24:06 +0930 From: Greg Lehey To: Tony Landells Cc: Neil Darlow , FreeBSD Questions Subject: Re: Can anyone help a newbie with vinum? Message-ID: <20010330102406.A61395@wantadilla.lemis.com> References: <200103292321.JAA27472@tungsten.austclear.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200103292321.JAA27472@tungsten.austclear.com.au>; from ahl@austclear.com.au on Fri, Mar 30, 2001 at 09:21:16AM +1000 Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Friday, 30 March 2001 at 9:21:16 +1000, Tony Landells wrote: > Search the list archives, Greg Lehey and I went > through this in late January, and then it was done again in about > mid-February. > > Refer to those discussions for a complete guide, but here's the > short answers to your questions: > > > neil@darlow.co.uk said: >> 1) What is the vinum filesystem type number (for partitioning)? > > "vinum". But you need to do this with disklabel post-install because > the install process doesn't do vinum. > >> 2) Do I create a single vinum partition to hold all the mirrored >> components, or do I create separate ones for each? > > Well, the option is yours, but the recommendation is to create a single > vinum partition and then divide it within vinum. > > Apart from saving you a reasonable amount of disk space (because you > have 265 blocks of vinum management data per vinum partition), the > discussions earlier this year assume single vinum partitions per > disk. A bigger issue is performance: every configuration update (change of state) flushes the information to each drive. Have multiple drives per spindle and you slow things down. 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-questions" in the body of the message