From owner-freebsd-scsi Tue Aug 10 23:44:39 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (Postfix) with ESMTP id E146714DE9 for ; Tue, 10 Aug 1999 23:44:27 -0700 (PDT) (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 QAA10387; Wed, 11 Aug 1999 16:12:45 +0930 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id QAA47909; Wed, 11 Aug 1999 16:12:20 +0930 (CST) Date: Wed, 11 Aug 1999 16:12:20 +0930 From: Greg Lehey To: Tom Cc: David Kelly , Mike Tancsa , scsi@FreeBSD.ORG Subject: Vinum (was: External RAID boxes (was Re: AHC errors. Bad disk or bad firmware, or bug in driver ?)) Message-ID: <19990811161220.U31076@freebie.lemis.com> References: <199908110231.VAA50838@nospam.hiwaay.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: ; from Tom on Tue, Aug 10, 1999 at 09:12:14PM -0700 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 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-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tuesday, 10 August 1999 at 21:12:14 -0700, Tom wrote: > > On Tue, 10 Aug 1999, David Kelly wrote: > >> Mike Tancsa writes: >>> Unfortunately my budget is limited. I dont want to go with the cheapest >>> solution out there, nor can I afford the most expensive. For me, an >>> external RAID box will be a step up rather than relying on tape backups and >>> retiring old drives before they might have a chance to fail. >> >> At the prices I've seen tossed about, one could purchase twice as many >> drives and use vinum in a simple mirrored mode. Or better yet, buy a >> RAID-5 module from Greg Lehey? > > Except for failure of the boot or swap drive. Can swap be located > within vinum volumes? Yes, at least theoretically. I don't know if anybody has done it, but I haven't heard of any problems. > Vinum is ok to prevent data loss. Not much better than a standalone > disk for uptime. I don't understand what you mean here. Greg -- 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-scsi" in the body of the message