From owner-freebsd-questions Mon Jan 21 16:15:54 2002 Delivered-To: freebsd-questions@freebsd.org Received: from out4.mx.nwbl.wi.voyager.net (out4.mx.nwbl.wi.voyager.net [169.207.1.77]) by hub.freebsd.org (Postfix) with ESMTP id 2F92937B400; Mon, 21 Jan 2002 16:15:51 -0800 (PST) Received: from shell.core.com (IDENT:2525@shell.voyager.net [169.207.1.89]) by out4.mx.nwbl.wi.voyager.net (8.11.1/8.11.4/1.7) with ESMTP id g0M0Fi528574; Mon, 21 Jan 2002 18:15:44 -0600 (CST) Received: (from dpoland@localhost) by shell.core.com (8.11.6/8.11.6/1.3) id g0M0Fhh04617; Mon, 21 Jan 2002 18:15:43 -0600 (CST) Date: Mon, 21 Jan 2002 18:15:43 -0600 From: Doug Poland To: Tony Landells Cc: tony , questions@FreeBSD.ORG, grog@FreeBSD.ORG Subject: Re: faulty vinum plex, need help please Message-ID: <20020121181543.A3901@polands.org> References: <200201212311.KAA01827@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: <200201212311.KAA01827@tungsten.austclear.com.au>; from ahl@austclear.com.au on Tue, Jan 22, 2002 at 10:11:11AM +1100 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, Jan 22, 2002 at 10:11:11AM +1100, Tony Landells wrote: > doug@polands.org said: > > So when the subdisks are revived, then the plex will automatically > > come up, or must I start it? Could you speculate as to why this > > happened? I'd like to understand what went wrong and how to avoid/fix > > this in the future. > > The plex will automatically come up when all of its subdisks are up. > > This happened because it's supposed to happen. This is in the vinum > documentation, placed very logically, several pages too late to help > someone who is trying to wing it from the documentation (hark to the > voice of experience!) ;-) In particular, look at the "Gotchas" and > the "start" command. > > Read the documentation all the way through, and try to understand the > examples, and it will all make much more sense. > Should probably do that before a disk fails :p On Tue, Jan 22, 2002 at 09:57:17AM +1030, Greg Lehey wrote: > > > > So dataraid plex 1 appears to be faulty. Is this a mis-configuration > > on my part? > > No. > > > Is it hardware failure? > > No. > > > The read/write performance of the vinum volume does not appear to > > have degraded, have I just lost the mirroring property? > > I suspect it was never mirrored. > > > I'll be thankful for any advice on how to diagnose and fix this situation. > > The man page (vinum (8)) is your friend: > > I'm surprised nobody else came up with this. Since you have now > newfs'd your volume, you did the right thing by using 'vinum start', > though you could have simply done a 'vinum start dataraid.p1', which > probably would also have been faster. > Thanks to all for your help. Afer an hour of disk churning, the second plex came on line. I guess the moral of the story is sophisticated tools in the hands of novices is a dangerous thing :) -- Regards, Doug To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message