From owner-freebsd-questions Tue Nov 20 17:27:41 2001 Delivered-To: freebsd-questions@freebsd.org Received: from pogo.caustic.org (caustic.org [64.163.147.186]) by hub.freebsd.org (Postfix) with ESMTP id 4933537B405 for ; Tue, 20 Nov 2001 17:27:39 -0800 (PST) Received: from localhost (jan@localhost) by pogo.caustic.org (8.11.6/8.11.6) with ESMTP id fAL1RLX23427; Tue, 20 Nov 2001 17:27:21 -0800 (PST) (envelope-from jan@caustic.org) Date: Tue, 20 Nov 2001 17:27:20 -0800 (PST) From: "f.johan.beisser" X-X-Sender: To: Mike Meyer Cc: Subject: Re: Filesystem Sizes In-Reply-To: <15354.62956.134167.912141@guru.mired.org> Message-ID: <20011120164450.L16958-100000@localhost> X-Ignore: This statement isn't supposed to be read by you X-TO-THE-FBI-CIA-AND-NSA: HI! HOW YA DOIN? MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, 20 Nov 2001, Mike Meyer wrote: > f.johan.beisser types: > > > i don't care for vinum myself. software RAID isn't going to be as reliable > > as hardware. vinum just happens to be better than most versions of > > software RAID. > > Why should software loaded onto a ROM - which is what hardware RAID > uses - be more reliable than software not loaded onto a ROM? the ROM is less likely to be changed. admittedly, prom suffers from many of the same problems that an OS/software raid has: changes by users, controller issues, bad disks, computational errors, configuration errors, bad programming, etc. the software RAID has the additional problems of: changed configuration files, OS changes, device addressing changes (unlikely in *BSD, but it could happen), disk failure causing kernel panics... you get the idea. now, please, in my /experience/, vinum hasn't cut it. i've not used vinum since FreeBSD 3.4 or so, when i ran several tests with it, and lost just about all the data i had on the RAID. it was rather dissapointing. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message