From owner-freebsd-stable Tue Apr 20 7:19:21 1999 Delivered-To: freebsd-stable@freebsd.org Received: from mx.nsu.ru (mx.nsu.ru [193.124.215.71]) by hub.freebsd.org (Postfix) with ESMTP id 43B0F1573C for ; Tue, 20 Apr 1999 07:19:05 -0700 (PDT) (envelope-from semen@iclub.nsu.ru) Received: from iclub.nsu.ru (semen@iclub.nsu.ru [193.124.222.66]) by mx.nsu.ru (8.9.1/8.9.0) with ESMTP id VAA24880; Tue, 20 Apr 1999 21:13:18 +0700 (NOVST) Received: from localhost (semen@localhost) by iclub.nsu.ru (8.9.2/8.8.5) with ESMTP id VAA17977; Tue, 20 Apr 1999 21:13:18 +0700 (NSS) Date: Tue, 20 Apr 1999 21:13:18 +0700 (NSS) From: Ustimenko Semen To: Joao Carlos Mendes Luis Cc: dkelly@hiwaay.net, freebsd-stable@FreeBSD.org Subject: Re: NTFS In-Reply-To: <199904192100.SAA03289@roma.coe.ufrj.br> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 19 Apr 1999, Joao Carlos Mendes Luis wrote: > #define quoting(Ustimenko Semen) > // > NTFS under FreeBSD is still read-only, right? > // > > // > // It is possible to write, if we doesn't change size, name and etc. > // And if file doesn't have any 'holes', and is not compressed. > // > // Writing assume that you will use it like swap file, that's all. > > How would you evaluate performance and stability in doing so ? > > I've tried using swap files (vnode) over msdos partition, but the > performance made it unusable. > You can test the speed by following: # dd if=/dev/zero of=/ntfs/swap0 bs=4096 count=32k conv=notrunc ... Performance depends a lot on cluster size. i.e 512 bytes per cluster will slow it to a ... As for relaibility, i'll commit today a new version, much more stable, i hope. From my expirience, i can say: i've managed to make kernel on 32Mb with 32Mb of swap on ntfs partition with make -j 16, swap was used at 5Mb max. Not much, but... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message