From owner-freebsd-hackers Mon Jul 27 14:41:29 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA16080 for freebsd-hackers-outgoing; Mon, 27 Jul 1998 14:41:29 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from smtp03.primenet.com (root@smtp03.primenet.com [206.165.6.133]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id OAA15943 for ; Mon, 27 Jul 1998 14:40:41 -0700 (PDT) (envelope-from tlambert@usr02.primenet.com) Received: (from daemon@localhost) by smtp03.primenet.com (8.8.8/8.8.8) id OAA12564; Mon, 27 Jul 1998 14:32:41 -0700 (MST) Received: from usr02.primenet.com(206.165.6.202) via SMTP by smtp03.primenet.com, id smtpde10903; Mon Jul 27 14:32:18 1998 Received: (from tlambert@localhost) by usr02.primenet.com (8.8.5/8.8.5) id MAA23379; Mon, 27 Jul 1998 12:01:52 -0700 (MST) From: Terry Lambert Message-Id: <199807271901.MAA23379@usr02.primenet.com> Subject: Re: Odd problem we're seeing here To: karl@mcs.net (Karl Denninger) Date: Mon, 27 Jul 1998 19:01:52 +0000 (GMT) Cc: mike@smith.net.au, tlambert@primenet.com, hackers@FreeBSD.ORG In-Reply-To: <19980727095806.05337@mcs.net> from "Karl Denninger" at Jul 27, 98 09:58:06 am X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > > > I'm seeing an interesting problem here. > > > > > > No you're not. You are seeng a problem I already knew about, > > > and provided a patch for, but the patch was not checked in by > > > anyone (no, not the NFS locking patch; that should be checked > > > in, too, though). > > > > Was this issue ever resolved to your satisfaction? > > Not really. I turned off NVSV3 on the affected machines; that "fixed" it, > but its a hack, not a real fix. I didn't realize you had sent this to the list, Mike, or I would have specifically addressed the previous response. Karl's correct; this is the "workaround" I suggested for the problem, and it's somewhat less than satisfying. It gets around the problem with opportunity locking by simply disabling it. This is less than satisfying because opportunity locking (leases) result in a *serious* performance increase. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message