From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 26 May 2002 15:32:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 26 May 2002 15:32:35 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:528 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id ; Sun, 26 May 2002 15:32:35 -0400 Message-ID: <3CF13911.D5C0EA3E@zip.com.au> Date: Sun, 26 May 2002 12:35:45 -0700 From: Andrew Morton X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.19-pre8 i686) X-Accept-Language: en MIME-Version: 1.0 To: zlatko.calusic@iskon.hr CC: linux-kernel@vger.kernel.org, cr@sap.com Subject: Re: 2.5.18 / ext3 / oracle trouble In-Reply-To: <877klr2ank.fsf@atlas.iskon.hr> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Zlatko Calusic wrote: > > Hi! > > After lots of testing, I can say that 2.5.18 works great in all three > modes of ext3 for all but one purpose. Oracle database still gets > corrupted during insert load. More precisely, online redo log gets > corrupted, database panics and restore is in order. > > This leads me to thinking that there's something wrong with sysv > shared memory in 2.5.x. Although the problem could also be in fsync() > or swap_out() & co. paths, it's yet to be discovered. > > It could also be that journaled mode helps the trouble, and it could > be that some swapping makes it more certain, but none of these two > facts are proved for sure. Take it as an observation. > > Christoph, I don't know if you're still taking care of shmem in 2.5.x, > so take my apologies if you didn't want to see this email. > Are you able to try it on ext2? Thanks. -