From owner-freebsd-questions Sat Feb 21 23:05:36 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id XAA26186 for freebsd-questions-outgoing; Sat, 21 Feb 1998 23:05:36 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from emu.sourcee.com (emu.sourcee.com [199.201.159.173]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id XAA26179 for ; Sat, 21 Feb 1998 23:05:32 -0800 (PST) (envelope-from nrice@emu.sourcee.com) Received: (from nrice@localhost) by emu.sourcee.com (8.8.8/8.8.3) id CAA22187; Sun, 22 Feb 1998 02:05:20 -0500 (EST) Message-ID: <19980222020519.61033@emu.sourcee.com> Date: Sun, 22 Feb 1998 02:05:19 -0500 From: Norman C Rice To: don@partsnow.com Cc: John Kelly , questions@FreeBSD.ORG Subject: Re: Data mirroring, how to do it? References: <3.0.32.19980221134414.0072902c@lda> <34EEF85F.EBFB2217@partsnow.com> <34f12c11.1850917@mail.cetlink.net> <34EF4118.FAEB325D@partsnow.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.88 In-Reply-To: <34EF4118.FAEB325D@partsnow.com>; from Don Wilde on Sat, Feb 21, 1998 at 01:03:20PM -0800 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by hub.freebsd.org id XAA26181 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sat, Feb 21, 1998 at 01:03:20PM -0800, Don Wilde wrote: > John Kelly wrote: > > > > On Sat, 21 Feb 1998 07:53:03 -0800, Don Wilde > > wrote: > > > > >If you add a pair of 100-base-T cards to your pair of servers, you can > > >do hourly backups using CVSup or simple scripts from one to the other on > > >their own little private net connection. > > > > I too need a dual-system, hot-backup type of mirroring solution. > > > > But won't CVSup be a big performance drag when running hourly? > > niceness (task priority) is your friend... :) But, too much ``niceness'' can result in collisions, e.g., the last hour's CVSup may not complete in time. I have used rdist for mirroring with a fair amount of success. I found it necessary to run several tasks in parallel to tune the performance due to the number of files being mirrored. -- Regards, Norman C. Rice, Jr. > -- > oooOOO O O O o * * * * * * > o ___ _________ _________ ________ _________ _________ ___==_ > V_=_=_DW ===--- Don Wilde [don@PartsNow.com] [http://www.PartsNow.com ] > /oo0000oo-oo--oo-ooo---ooo-ooo---ooo-ooo--ooo-ooo---ooo-ooo---ooo-oo--oo >  > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message