From owner-freebsd-questions Wed Apr 29 11:33:51 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA01194 for freebsd-questions-outgoing; Wed, 29 Apr 1998 11:33:51 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from super-g.inch.com (super-g.com [207.240.140.161]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA01181 for ; Wed, 29 Apr 1998 11:33:45 -0700 (PDT) (envelope-from spork@super-g.com) Received: from localhost (localhost [127.0.0.1]) by super-g.inch.com (8.8.8/8.8.5) with SMTP id OAA22469; Wed, 29 Apr 1998 14:32:06 -0400 (EDT) Date: Wed, 29 Apr 1998 14:32:06 -0400 (EDT) From: spork X-Sender: spork@super-g.inch.com To: Johann Visagie cc: Robin Harker , freebsd-questions@FreeBSD.ORG Subject: Re: DPT RAID controller support In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG We're testing out one of the low end DPT cards, but haven't had a chance to really bang very hard on it. It's a bit slow, but it is the version that has the 68000 processor on it. The main drawback is that without support in the OS to control/configure the array, you have to boot into DOS to replace a drive or set a hot spare active... Charles Sprickman spork@super-g.com ---- "I'm not a prophet or a stone-age man Just a mortal with potential of a superman I'm living on" -DB On Tue, 28 Apr 1998, Johann Visagie wrote: > Robin Harker wrote: > > > > I understand that FreeBSD may have support for DPT's caching RAID > > controllers. Has anyone added functionality so that e.g. drive failures > > and rebuilding can be handled on-line? > > If you're using one of DPT's own external casings (or a DEC StorageWorks > casing, apparently [which according to one rumour I've heard is just an OEM > manufactured DPT casing]), then disk changes will automatically be detected > (and rebuild initiated). Rebuilding onto a "hot spare" will be initiated > automatically regardless of how and where the disks are mounted (since it > requires no disk swap). > > For "serious" housekeeping on the array you an always use the DOS version of > DPT's StorageManager software, but that should hardly ever be necessary > except during initial installation. > > PS: For the record, I have never actually used a DPT controller under > FreeBSD. I have just acquired one one loan from a supplier with the express > purpose of doing this - I would also be quite interested in hearing the > experiences of anyone else with using DPT RAID controllers under FreeBSD. > > -- V > > Johann Visagie | Email: wjv@CityIP.co.za | Tel: +27 21 419-7878 > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message