From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [PATCH v1 0/5] ext4: Shut down block groups when damage is detected Date: Wed, 31 Jul 2013 17:28:13 -0400 Message-ID: <20130731212813.GB8622@thunk.org> References: <20130719235532.24017.31896.stgit@blackbox.djwong.org> <20130721143226.GA13473@gmail.com> <20130730003109.GE3648@gmail.com> <20130731185243.GB28018@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Zheng Liu , Jeff Moyer , "Darrick J. Wong" , linux-ext4@vger.kernel.org To: Jan Kara Return-path: Received: from imap.thunk.org ([74.207.234.97]:37575 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757533Ab3GaV2U (ORCPT ); Wed, 31 Jul 2013 17:28:20 -0400 Content-Disposition: inline In-Reply-To: <20130731185243.GB28018@quack.suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Jul 31, 2013 at 08:52:43PM +0200, Jan Kara wrote: > Well, before spending too much time with this, try finding some study > (I've read some from Google I think, just I don't have the url at hand) on > what is the estimated lifetime of a disk after bad sectors start appearing. Also worth considering is that error rate profile for flash devices might be quite different from HDD's. - Ted