From owner-freebsd-stable@FreeBSD.ORG Thu Apr 22 09:25:09 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7FF20106566C for ; Thu, 22 Apr 2010 09:25:09 +0000 (UTC) (envelope-from areilly@bigpond.net.au) Received: from nschwmtas05p.mx.bigpond.com (nschwmtas05p.mx.bigpond.com [61.9.189.149]) by mx1.freebsd.org (Postfix) with ESMTP id 09F338FC12 for ; Thu, 22 Apr 2010 09:25:08 +0000 (UTC) Received: from nschwotgx03p.mx.bigpond.com ([124.188.161.100]) by nschwmtas05p.mx.bigpond.com (InterMail vM.7.05.02.08 201-2174-114-118-20080528) with ESMTP id <20100422092506.RMEQ6690.nschwmtas05p.mx.bigpond.com@nschwotgx03p.mx.bigpond.com>; Thu, 22 Apr 2010 09:25:06 +0000 Received: from duncan.reilly.home ([124.188.161.100]) by nschwotgx03p.mx.bigpond.com with ESMTP id <20100422092506.WESO2192.nschwotgx03p.mx.bigpond.com@duncan.reilly.home>; Thu, 22 Apr 2010 09:25:06 +0000 Date: Thu, 22 Apr 2010 19:25:05 +1000 From: Andrew Reilly To: "Patrick M. Hausen" Message-ID: <20100422192505.4540de45@duncan.reilly.home> In-Reply-To: <20100422090743.GH67328@hugo10.ka.punkt.de> References: <4BCFF881.9000809@minibofh.org> <20100422085954.GA10035@duncan.reilly.home> <20100422090743.GH67328@hugo10.ka.punkt.de> X-Mailer: Claws Mail 3.7.5 (GTK+ 2.18.7; amd64-portbld-freebsd9.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH LOGIN at nschwotgx03p.mx.bigpond.com from [124.188.161.100] using ID areilly@bigpond.net.au at Thu, 22 Apr 2010 09:25:06 +0000 X-RPD-ScanID: Class unknown; VirusThreatLevel unknown, RefID str=0001.0A150201.4BD015F2.0110,ss=1,fgs=0 X-SIH-MSG-ID: rB02Edb6TAD0zmQs0WyzOwJxyArnqyN48Z4QX81loRIGTUDCp8DeQ9rHK+ZRsM6kxDxOJhqMNGMlaaziTY3Rs9mK Cc: Jordi Espasa Clofent , freebsd-stable@freebsd.org Subject: Re: gmirror(8) rebuild speed X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Apr 2010 09:25:09 -0000 On Thu, 22 Apr 2010 11:07:43 +0200 "Patrick M. Hausen" wrote: > When the rebuild is bringing your production system to > a crawl and you are willing to face the tradeoff - hopefully > because you have an additional backup for the worst case. Fair enough. I've noticed some slowdowns with re-builds, but I generally thought it best to get it over-with as quickly as possible. It's possible to turn off auto-synch, so that you can start the re-build at the beginning of a quiet-time, if there is one. I guess if the system is in demand 24/7 you'll need something else though. Cheers, -- Andrew