From mboxrd@z Thu Jan 1 00:00:00 1970 From: Reinhard Karcher Subject: Re: How to change Dosemu files lock scheme? Date: Fri, 19 Mar 2004 08:17:15 +0100 Sender: linux-msdos-owner@vger.kernel.org Message-ID: <20040319071715.GA1532@amis.berlin.frey.de> References: Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: List-Id: Content-Type: text/plain; charset="iso-8859-1" To: linux-msdos@vger.kernel.org On Thu, Mar 18, 2004 at 04:56:42PM -0300, Fl=E1vio Eler de Melo wrote > Anyone has an idea of where in Dosemu sources I can find the section=20 > concerning files lock scheme?=20 >=20 > I?ve got a trouble with files lock scheme in Dosemu. I have a Clipper= =20 > database served by a Slackware NFS server. When I access this databas= e from=20 > two different remote clients running a Clipper application under Free= Dos=20 > with Dosemu, a certain record inserted in the database by one client = is=20 > overwritten by another record inserted by the other one.=20 > I figured out by means of a friend advice that this is a problem of t= he file=20 > lock scheme, namely: the Dosemu file lock process is based upon an He= uristic=20 > method so that one Clipper Application client running under an instan= ce of=20 > Dosemu does not detects that another Dosemu is already locking a file= via=20 > LAN for recording some data.=20 > Which NFS-version do you use? You need at least nfsV3 for locking. Reinhard - To unsubscribe from this list: send the line "unsubscribe linux-msdos" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html