From owner-freebsd-isp@FreeBSD.ORG  Thu Sep 18 07:49:12 2003
Return-Path: <owner-freebsd-isp@FreeBSD.ORG>
Delivered-To: freebsd-isp@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 5FA8416A4B3
	for <freebsd-isp@freebsd.org>; Thu, 18 Sep 2003 07:49:12 -0700 (PDT)
Received: from flash.mipk-kspu.kharkov.ua (flash.mipk-kspu.kharkov.ua
	[194.44.157.113])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 7A89C43F75
	for <freebsd-isp@freebsd.org>; Thu, 18 Sep 2003 07:49:07 -0700 (PDT)
	(envelope-from artem@mipk.kharkiv.edu)
Received: from mipk.kharkiv.edu (rainbow.mipk-kspu.kharkov.ua [192.168.9.241])
	h8IEm6ta006957;	Thu, 18 Sep 2003 17:48:06 +0300 (EEST)
	(envelope-from artem@mipk.kharkiv.edu)
Message-ID: <3F69C599.9040501@mipk.kharkiv.edu>
Date: Thu, 18 Sep 2003 17:47:53 +0300
From: "Artyom V. Viklenko" <artem@mipk.kharkiv.edu>
Organization: IIAT NTU "KhPI"
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US;
	rv:1.4) Gecko/20030624
X-Accept-Language: ru, uk, en
MIME-Version: 1.0
To: Mark Bojara <mark@aboutit.co.za>
References: <20030918160749.C353-100000@opium.co.za>
In-Reply-To: <20030918160749.C353-100000@opium.co.za>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
cc: freebsd-isp@freebsd.org
Subject: Re: write behind caching
X-BeenThere: freebsd-isp@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Internet Services Providers <freebsd-isp.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-isp>,
	<mailto:freebsd-isp-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-isp>
List-Post: <mailto:freebsd-isp@freebsd.org>
List-Help: <mailto:freebsd-isp-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-isp>,
	<mailto:freebsd-isp-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 18 Sep 2003 14:49:12 -0000

Mark Bojara wrote:

> Hello All,
> 
> One of our clients is running a FreeBSD 4.8 server with Samba for his
> Windows based financial system. He is having problems that the index files
> get corrupt. He phoned support for the financial system they told him he
> must disable "Write behind caching" on the server, However this is for a
> M$ server. Is there something equivilent for FreeBSD?

You can try to change this parameters for directory share
on which those files are stored.

strict sync = yes
sync always = yes

It usually slows write operations but forces data writes
to disk befor returning from write operations
on client side.

-- 
        Sincerely yours,
                          Artyom V. Viklenko.
======================================================
System Administrator            artem@mipk.kharkiv.edu
------------------------------------------------------
IIAT NTU "KhPI" 21, Frunze Str., Kharkov Ukraine 61002
Phone: +380 (572) 400026        Fax: +380 (572) 474062
======================================================