From owner-freebsd-fs Mon Nov 15 11:25: 9 1999 Delivered-To: freebsd-fs@freebsd.org Received: from uni4nn.gn.iaf.nl (osmium.gn.iaf.nl [193.67.144.12]) by hub.freebsd.org (Postfix) with ESMTP id C6AB414D23 for ; Mon, 15 Nov 1999 11:25:05 -0800 (PST) (envelope-from wilko@yedi.iaf.nl) Received: from yedi.iaf.nl (uucp@localhost) by uni4nn.gn.iaf.nl (8.9.2/8.9.2) with UUCP id UAA02174; Mon, 15 Nov 1999 20:00:51 +0100 (MET) Received: (from wilko@localhost) by yedi.iaf.nl (8.9.3/8.9.3) id TAA00923; Mon, 15 Nov 1999 19:24:01 +0100 (CET) (envelope-from wilko) From: Wilko Bulte Message-Id: <199911151824.TAA00923@yedi.iaf.nl> Subject: Re: RAID-5 and failure In-Reply-To: <19991113213430.48370@mojave.sitaranetworks.com> from Greg Lehey at "Nov 13, 1999 9:34:30 pm" To: grog@lemis.com Date: Mon, 15 Nov 1999 19:24:01 +0100 (CET) Cc: ticso@cicely.de, pantzer@ludd.luth.se, freebsd-fs@FreeBSD.ORG X-Organisation: Private FreeBSD site - Arnhem, The Netherlands X-pgp-info: PGP public key at 'finger wilko@freefall.freebsd.org' X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org As Greg Lehey wrote ... > On Saturday, 6 November 1999 at 20:07:54 +0100, Bernd Walter wrote: ... > > That's exactly what vinum does at this moment but without the log. > > You need persistent memory for this such as nv-memory or a log area on any disk. > > nv-memory on PCs is usually to small and maybe to slow for such purposes. > > I asume that a log area on any partitipating disk is not a good idea. > > On a different disk it would be an option but still needs implementation. > > Yes, I suppose we could implement that for maximum security. I wonder > if any NOVRAM boards are available. > > Greg You might find an old Prestoserve PCI card on a yardsale. Long shot.. -- | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message