From owner-freebsd-hackers Mon Nov 25 20:29:51 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id UAA07271 for hackers-outgoing; Mon, 25 Nov 1996 20:29:51 -0800 (PST) Received: from dyslexic.phoenix.net (root@dyslexic.phoenix.net [199.3.233.7]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id UAA07262 for ; Mon, 25 Nov 1996 20:29:45 -0800 (PST) Received: (from freebsd@localhost) by dyslexic.phoenix.net (8.7.5/8.7.3) id WAA23653; Mon, 25 Nov 1996 22:28:21 -0600 (CST) Date: Mon, 25 Nov 1996 22:28:21 -0600 (CST) From: FreeBSD Acct To: michael butler cc: hackers@FreeBSD.ORG Subject: Re: Disk Striping In-Reply-To: <199611220729.SAA11415@asstdc.scgt.oz.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Fri, 22 Nov 1996, michael butler wrote: > > Our news servers here, are P166's with 128Mb each, with two Adaptec3940 > > PCI cards. > > > There are four 4Gig drives, each has its own separage SCSI controller as > > the 3940 has two controllers per card. > > > The drives are identical, and in a CCD array. > > [ .. ] > > > Compared to how we had the news farm before..the CCD is many many times > > faster and more efficient. > > With no readers (and therefore no need for .overview files all over the > place to mess things up), this combo will *scream* along quite happily at > better than 10 articles a second iff the accesses for history and articles > are on separate CCD arrays on separate channels. Short of getting "async" > mode to work properly, there's not much better. No..we keep overview files..the whole lot. The server has never reported being slow, or behind. It takes everything offered to it from each of 6 different newsfeeds, plus clari. The slave server, which is for readers only, works even better..with overviews as well.