From owner-freebsd-hackers Mon Jan 27 09:44:17 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id JAA15890 for hackers-outgoing; Mon, 27 Jan 1997 09:44:17 -0800 (PST) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id JAA15881 for ; Mon, 27 Jan 1997 09:44:15 -0800 (PST) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id KAA05718; Mon, 27 Jan 1997 10:26:54 -0700 From: Terry Lambert Message-Id: <199701271726.KAA05718@phaeton.artisoft.com> Subject: Re: What is the default for async in /etc/fstab? To: dicen@hooked.net (RHS Linux User) Date: Mon, 27 Jan 1997 10:26:53 -0700 (MST) Cc: freebsd-hackers@freebsd.org In-Reply-To: <32EBC635.4F86F1D5@hooked.net> from "RHS Linux User" at Jan 26, 97 01:01:41 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > I am having trouble determining the disk IO performace of FreeBSD vs. > Linux. I recently ran a test on FreeBSD and the write performance wasn't > so great. However, I didn't think to see if async was set in the > /etc/fstab file. I installed from a 2.1 CDROM initially and then cvsuped > different versions. So what is the default for async in the 2.1 > /etc/fstab? Default is "reliable"... ie: off. > Have other people tested ufs vs. ext2? The only docs I could find where > for ext2. A comparison with FreeBSD 2.0 I think, although it could have > been older. This was for some old Linux 1.xx. Is there a FFS for Linux yet? I think you will only find BSD numbers. Comparing EXT2 on Linux to FFS on FreeBSD, you are more likely comparing Linux and FreeBSD, not the FS's themselves. Regards, Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.