From owner-freebsd-stable Wed Nov 8 17:33: 8 2000 Delivered-To: freebsd-stable@freebsd.org Received: from cage.simianscience.com (cage.simianscience.com [64.7.134.1]) by hub.freebsd.org (Postfix) with ESMTP id 7D32E37B479 for ; Wed, 8 Nov 2000 17:33:04 -0800 (PST) Received: from chimp (fcage [192.168.0.2]) by cage.simianscience.com (8.11.1/8.9.3) with ESMTP id eA91Ydh04873; Wed, 8 Nov 2000 20:34:40 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <4.2.2.20001108200957.01482b68@marble.sentex.net> X-Sender: mdtancsa@marble.sentex.net X-Mailer: QUALCOMM Windows Eudora Pro Version 4.2.2 Date: Wed, 08 Nov 2000 20:32:47 -0500 To: Brian Behlendorf , stable@FreeBSD.ORG From: Mike Tancsa Subject: Re: disk I/O In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 04:35 PM 11/8/2000 -0800, Brian Behlendorf wrote: >I'm having agonizingly slow disk I/O. Granted, this is a heavily pounded >machine (~2M web hits/day with ~50K being CGI or java, 500K mail Sounds like a lot of disk seeks stacking up. We had the same problem with a busy pop3 server. As someone else suggested, a nice RAID system (e.g RAID 0+1) will give you the seek time improvement as well as reliability. ---Mike -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Network Administration, mike@sentex.net Sentex Communications www.sentex.net Cambridge, Ontario Canada www.sentex.net/mike To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message