From owner-freebsd-stable@FreeBSD.ORG Fri Mar 28 15:38:54 2008 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 4D436106564A; Fri, 28 Mar 2008 15:38:54 +0000 (UTC) (envelope-from dwmalone@maths.tcd.ie) Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [IPv6:2001:770:10:300::86e2:510b]) by mx1.freebsd.org (Postfix) with SMTP id 5D3C38FC1B; Fri, 28 Mar 2008 15:38:53 +0000 (UTC) (envelope-from dwmalone@maths.tcd.ie) Received: from walton.maths.tcd.ie ([134.226.81.10] helo=walton.maths.tcd.ie) by salmon.maths.tcd.ie with SMTP id ; 28 Mar 2008 15:38:51 +0000 (GMT) Date: Fri, 28 Mar 2008 15:38:51 +0000 From: David Malone To: Ivan Voras Message-ID: <20080328153851.GA76472@walton.maths.tcd.ie> References: <47EBA3AB.40307@infracaninophile.co.uk> <200803280029.08136.danny@ricin.com> <20080328142843.GD28690@dan.emsphone.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6i Sender: dwmalone@maths.tcd.ie Cc: freebsd-stable@freebsd.org Subject: Re: Question about file system checks 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: Fri, 28 Mar 2008 15:38:54 -0000 On Fri, Mar 28, 2008 at 04:26:16PM +0100, Ivan Voras wrote: > All were tested within the same time: 50 seconds. Details: the machine > being tested was connected to a "reporter" machine via plain crossover > cable, the reporter had a TCP server and the tested machine had a TCP > client that run a tight loop of IO operations, single threaded, randomly > choosing between creating files and directories, appending to them and > changing (a random amount of data in a random position) them, then > sending to the server a description (log) of each IO operation after it > has been done. These were several Python scripts I wrote. Our of curiosity, if you call fsync on some subset of the files after creating them, do they all the files on which fsync completed exist after the fsck? David.