From owner-freebsd-questions@FreeBSD.ORG Fri Jun 1 12:37:41 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 05A24106566C for ; Fri, 1 Jun 2012 12:37:41 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99]) by mx1.freebsd.org (Postfix) with ESMTP id 614738FC20 for ; Fri, 1 Jun 2012 12:37:40 +0000 (UTC) Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1]) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q51CbcmH037011; Fri, 1 Jun 2012 14:37:38 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id q51Cbbkd037008; Fri, 1 Jun 2012 14:37:37 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Fri, 1 Jun 2012 14:37:37 +0200 (CEST) From: Wojciech Puchar To: Kaya Saman In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (wojtek.tensor.gdynia.pl [127.0.0.1]); Fri, 01 Jun 2012 14:37:38 +0200 (CEST) Cc: freebsd-questions@freebsd.org, Oscar Hodgson Subject: Re: Anyone using freebsd ZFS for large storage servers? 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: Fri, 01 Jun 2012 12:37:41 -0000 >> Assuming that filesystem doesn't need offline filesystem check utility >> because it "never crash" is funny. >> > > zfs scrub...??? when starting means crash quickly? Well.. no. Certainly with computers that never have hardware faults and assuming ZFS doesn't have any software bugs you may be right. But in real world you will be hardly punished some day ;) > Additionally ZFS works directly at the block level of the HD meaning > that it is slightly different to the 'normal' file systems in storing > information and is also "self healing"...... doesn't other filesystem work on block level too? if no - then at what level?