From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: Filesystem Corruption Problems Date: Wed, 07 May 2003 21:40:22 +0400 Message-ID: <3EB94506.8020106@namesys.com> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Bill Rees Cc: reiserfs-list , Vitaly Fertman , vs@namesys.com Bill Rees wrote: >Hello, > >I have an application that uses multiple drives formatted with reiserfs to >store many thousands of JPEG images for later retrieval. These images are >coming from one or more cameras in the form of a streaming MJPEG. My >application essentially writes images to one or more drives as fast as it >can. When a set number of hours of storage is reached for a particular >camera, the program begins deleting old images. Depending on the framerate >of image capture, the contents of the disk could be rewritten entirely in >the process of just a few days. > >When this application is left running for an extended period of time, severe >disk corruption usually crops up. Usually, there are media errors in the >kernel log from the reiser file system indicating something very bad is >occuring. I have tried recovering from this with reiserfsck but the only >solution is usually a reformat. Sometimes the corruption does not allow the >deletion of any files from the drive and sometimes it causes a kernel panic >whenever the disk is accessed. I am using version 2.4.19 of the kernel >without any patches. The application is written in Java and runs under JDK >v1.4.1. > >Is this a known issue? I realize that the creation and deletion of thousands >of files per day creates problems that might not be seen on the typical file >server. Any info would be appreciated. > >Bill > > > > > This is not a known issue. Vladimir and Vitaly will work with you on trying to debug and reproduce it. -- Hans