From owner-freebsd-current Mon Mar 17 14:31: 9 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1901F37B401; Mon, 17 Mar 2003 14:31:08 -0800 (PST) Received: from mail.chesapeake.net (chesapeake.net [205.130.220.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id B73D343FB1; Mon, 17 Mar 2003 14:31:06 -0800 (PST) (envelope-from jroberson@chesapeake.net) Received: from localhost (jroberson@localhost) by mail.chesapeake.net (8.11.6/8.11.6) with ESMTP id h2HMUua90483; Mon, 17 Mar 2003 17:30:56 -0500 (EST) (envelope-from jroberson@chesapeake.net) Date: Mon, 17 Mar 2003 17:30:56 -0500 (EST) From: Jeff Roberson To: Brooks Davis Cc: Julian Elischer , Alfred Perlstein , FreeBSD current users , Subject: Re: Anyone working on fsck? In-Reply-To: <20030317141302.A29659@Odin.AC.HMC.Edu> Message-ID: <20030317172953.O66343-100000@mail.chesapeake.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Mon, 17 Mar 2003, Brooks Davis wrote: > On Mon, Mar 17, 2003 at 12:45:15PM -0800, Julian Elischer wrote: > > I might add that the test filesystem was 95% full with about 8,000,000 > > directories on it. It was populated with multiple copies of /bin > > and /etc as a test set :-) > > How much like you're real file mix does this look? If your real mix > doesn't require this many files it may not be so bad. I've got an 800GB > SCSI-IDE RAID box[0] with a single UFS file system with about 520GB of > mirrors on it and it fscks in ~40min. > > I am still intrested in improvements to fsck since I'm planning to buy > several systems with two 1.4TB IDE RAID5 arrays in them soon. > For these types of systems doing a block caching layer with a prefetch that understands how many spindles there are would be a huge benefit. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message