From owner-freebsd-hackers Wed May 10 16:23: 6 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from feral.com (feral.com [192.67.166.1]) by hub.freebsd.org (Postfix) with ESMTP id 6FC5037BA2E for ; Wed, 10 May 2000 16:23:01 -0700 (PDT) (envelope-from mjacob@feral.com) Received: from semuta.feral.com (semuta [192.67.166.70]) by feral.com (8.9.3/8.9.3) with ESMTP id QAA00856; Wed, 10 May 2000 16:21:36 -0700 Date: Wed, 10 May 2000 16:22:06 -0700 (PDT) From: Matthew Jacob Reply-To: mjacob@feral.com To: Alfred Perlstein Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: [ Global Filesystem ] a thought to mull over ... In-Reply-To: <20000510165139.Q28180@fw.wintelcom.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > Re-reading it I was wrong it does seem to be some sort of network > filesystem, the way they phrase: > > > What is GFS? > > The Global File System (GFS) allows multiple Linux machine to > share storage devices over a network. Each machine sees the > network disks as local, and GFS itself appears as a local file > system. Writes to a file by one Linux machine are seen by another > machine that later reads that file. > > Looked like a vn device over NFS except using some special protocol > instead of NFS, basically only one client can see a filesystem at > a time. No, it's a shared simultaneous access filesystem. That's the whole point of DLOCKs (which can be in hardware, or via a DLM). To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message