From: "J. Bruce Fields" Subject: Re: 2.6.28.9: EXT3/NFS inodes corruption Date: Thu, 6 Aug 2009 13:05:43 -0400 Message-ID: <20090806170543.GA32511@fieldses.org> References: <20090716172749.GC3740@atrey.karlin.mff.cuni.cz> <20090725151751.GA6419@gradator.net> <20090727154253.GB8332@duck.suse.cz> <20090728112715.GA8442@gradator.net> <20090728135226.GA21682@duck.suse.cz> <20090728164142.GA13662@gradator.net> <20090803222901.GB23162@duck.suse.cz> <20090804111505.GA6433@gradator.net> <20090804225619.GB11097@duck.suse.cz> <20090806131555.GA23359@gradator.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jan Kara , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Al Viro To: Sylvain Rochet Return-path: Content-Disposition: inline In-Reply-To: <20090806131555.GA23359-XWGZPxRNpGHk1uMJSBkQmQ@public.gmane.org> Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-ext4.vger.kernel.org On Thu, Aug 06, 2009 at 03:15:56PM +0200, Sylvain Rochet wrote: > Hi, > > > On Wed, Aug 05, 2009 at 12:56:19AM +0200, Jan Kara wrote: > > > > Thanks for testing. So you seem to be really stressting the path where > > creation of new files / directories fails (probably due to group quota). > > Yes, there are 29 groups over quota on a total of 4499. Those are mainly > spammed websites and therefore quite stressed due to the amount of tries > to add new "data". > > > > I have one idea what could cause your filesystem corruption, although > > it's a wild guess... Please try attached oneliner. > > Running since yesterday. > > > > Also your corruption reminded me that Al Viro has been fixing problems > > where we could cache one inode twice when a filesystem was mounted over NFS > > and that could also lead to a filesystem corruption. So I'm adding him to > > CC just in case he has some idea. BTW Al, what do you think about the > > problem I describe in the attached patch? I'm not sure if it can cause some > > real problems but in theory it could... > > Should we upgrade NFS clients as well ? (now running 2.6.28.9) The client version shouldn't matter. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html