From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dipl.-Ing. Michael Niederle" Subject: Re: users Digest, Vol 38, Issue 14 Date: Fri, 15 May 2009 10:37:24 +0200 Message-ID: <20090515103724.5dd3285b@simplux> References: Reply-To: NILFS Users mailing list Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: users-bounces-JrjvKiOkagjYtjvyW6yDsg@public.gmane.org Errors-To: users-bounces-JrjvKiOkagjYtjvyW6yDsg@public.gmane.org To: users-JrjvKiOkagjYtjvyW6yDsg@public.gmane.org Hi, Ryusuke! > BTW, could you try switching IO scheduler to "noop" ? I'm already using the NOOP-scheduler. The nilfs is the root file system of my life-system. The two crashes occured before I converted a checkpoint to a snapshot. At the time the data losses occured there existed only checkpoints. I don't know whether this could matter or not. > What is your pendrive product? I have several pen drives for testing (from Corsair, OCZ, SanDisk). I'm currently testing nilfs on a "SanDisk Curzer Contour (16GB)". Initially I used kernel 2.6.30rc4, but switched to rc5 recently. The new kernel was build under nilfs - quickly and without any problems. The problem of a pen based Linux system is, that it is more likely to be just disconnected instead of beeing shutdown cleanly than a desktop system. Loosing current data will be no problem. Loosing the whole filesystem is a big problem ... Greetings, Michael