From owner-freebsd-geom@FreeBSD.ORG Mon Jan 17 15:38:33 2005 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5555016A4CE for ; Mon, 17 Jan 2005 15:38:33 +0000 (GMT) Received: from ms-smtp-01-eri0.texas.rr.com (ms-smtp-01.texas.rr.com [24.93.47.40]) by mx1.FreeBSD.org (Postfix) with ESMTP id EC55443D46 for ; Mon, 17 Jan 2005 15:38:32 +0000 (GMT) (envelope-from freebsd@zepeda.ws) Received: from [10.255.255.1] (cs662573-29.satx.rr.com [66.25.73.29]) j0HFcTYm023661 for ; Mon, 17 Jan 2005 09:38:30 -0600 (CST) Message-ID: <41EBDBF5.5030609@zepeda.ws> Date: Mon, 17 Jan 2005 09:38:29 -0600 From: "Daniel P. Zepeda" User-Agent: Mozilla Thunderbird 0.9 (X11/20041127) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-geom@freebsd.org References: <41EBCFAF.2010309@zepeda.ws> In-Reply-To: <41EBCFAF.2010309@zepeda.ws> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Symantec AntiVirus Scan Engine Subject: Re: configuration/performance question X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2005 15:38:33 -0000 Daniel P. Zepeda wrote: > Hello, > > My original problem was that I was having the problem where my mirror > comes > up DEGRADED when I reboot the machine. Now, I wrote up this long post to > describe the situation and appeal for help from those folks more > intimate with > all this than I, and, on going to subscribe to the list to post this, > I found > the solution on digging further in the archive. I've left the whole thing > intact here, but I found the solution to my problem here; > > http://lists.freebsd.org/pipermail/freebsd-geom/2004-September/000259.html > > > But what I uncovered while having my problem is that if I shut down one > consumer, the newer one I configured that I wanted to work, namely da1 > on gm0, > that an older mirror that I first configured, namely gm0s1, starts up, > with > consumers that I originally set up as da1s1* !! > > My question now is, I have some idea of how GEOM works from the > manpage, it > seems to say that the disk data flows through a set of geoms to/from the > kernel/disks. Will the "ghost" mirror and slices provide extra steps, and > therefore a performance slowdown, or am I totally off base with the > way GEOM > works? (Which is likely since I was only introduced to it last week). > That is, > is the way it is set up now on my box Ok? It works Ok, and I can > reboot now > with a COMPLETE array, but is it messed up internally? I haven't done any > performance tests yet, so I don't know. > > Can anyone enlighten me on this? > > Here is the text of the original message. I'm leaving it here because it > provides a lot of detail on my set up to back up my question above, > although > the problem I outlined below is SOLVED and my question is above. > > Thanks, > DZ > > ****************************************************************************************** > > > Oh dear, after all that I forgot to mention that the "approaches" I mentioned are detailed here; http://people.freebsd.org/~rse/mirror/ AND turn off HTML email for this account. Sorry.