From owner-freebsd-emulation Mon Dec 20 7:31:56 1999 Delivered-To: freebsd-emulation@freebsd.org Received: from overcee.netplex.com.au (overcee.netplex.com.au [202.12.86.7]) by hub.freebsd.org (Postfix) with ESMTP id C7F4314C98; Mon, 20 Dec 1999 07:31:52 -0800 (PST) (envelope-from peter@netplex.com.au) Received: from netplex.com.au (localhost [127.0.0.1]) by overcee.netplex.com.au (Postfix) with ESMTP id AD13C1CCE; Mon, 20 Dec 1999 23:31:49 +0800 (WST) (envelope-from peter@netplex.com.au) X-Mailer: exmh version 2.1.1 10/15/1999 To: Hidetoshi Shimokawa Cc: vsilyaev@mindspring.com, guido@gvr.org, dillon@freebsd.org, freebsd-emulation@FreeBSD.ORG, dbutter@wireless.net Subject: Re: VMware: Questions... In-Reply-To: Message from Hidetoshi Shimokawa of "Mon, 20 Dec 1999 12:43:23 +0900." Date: Mon, 20 Dec 1999 23:31:49 +0800 From: Peter Wemm Message-Id: <19991220153149.AD13C1CCE@overcee.netplex.com.au> Sender: owner-freebsd-emulation@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Hidetoshi Shimokawa wrote: > > At Sun, 19 Dec 1999 12:20:17 -0500, > Vladimir N. Silyaev wrote: > > > I am seeing the same freezes. I am running NT4 on a virtual drive. > > > From time to time, the NT in vmware freezes. The IDE light on the vmware > > > screen is off, yet there is a tremendous amount of disk activity > > > going on (as seen from iostat or systat -vmstat). I am seeing > > > 100 transaction per second. > > I fill such freezes with linux as guest, but I never seen any disk activity > > in that time. I don't have access to vmware sources or to any other source > > of information, so I don't have any thinks about this freezes. > > This is because mmaped file is written every 30 second by sync daemon. > The file is usually named /var/tmp/ram0 but it's unlinked right after > opened so you cannot see it by 'ls' although it exits. It would be nice if the VFS/VM system detected this automatically and switched on NOSYNC for files that got unlinked... I wouldn't be suprised if this is what Linux does. Matt, is this possible? Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-emulation" in the body of the message