From owner-freebsd-questions@FreeBSD.ORG Thu May 7 12:16:41 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E1227106566B; Thu, 7 May 2009 12:16:41 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 2B18D8FC1A; Thu, 7 May 2009 12:16:37 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id n479fNK8039963; Thu, 7 May 2009 11:41:23 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id n479fLpg039960; Thu, 7 May 2009 11:41:21 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Thu, 7 May 2009 11:41:21 +0200 (CEST) From: Wojciech Puchar To: Paul Patterson In-Reply-To: <83156.91671.qm@web110507.mail.gq1.yahoo.com> Message-ID: References: <1241610888.16418.64.camel@ompc.insign.local> <20090506084834.61600c42.wmoran@potentialtech.com> <4A01C202.8080803@seattlefenix.net> <70C0964126D66F458E688618E1CD008A0793EBD1@WADPEXV0.waddell.com> <83156.91671.qm@web110507.mail.gq1.yahoo.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Mailman-Approved-At: Thu, 07 May 2009 12:28:06 +0000 Cc: Gary Gatten , Olivier Mueller , Benjamin Krueger , Bill Moran , freebsd-performance@freebsd.org, freebsd-questions@freebsd.org Subject: Re: filesystem: 12h to delete 32GB of data X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 May 2009 12:16:45 -0000 > If you aren't using ZFS, or even a GEOM volume with mirror/RAID5/softup/etc, > you cannot make the statement that hardware RAID is faster. I learned > that 3 years ago. i state exactly opposite. all hardware raid cards are made just to suck money from those who believe in it. like "performance is not enough - buy better/more expensive model." > This does not go for EMC, IBM, Hitachi high-end storage arrays where you write to TBs of RAM Cache. having same amount of extra memory on FreeBSD server directly will make better use of it.