From mboxrd@z Thu Jan 1 00:00:00 1970 From: jin zhencheng Subject: why md/raid5 dont have bad block remap Date: Mon, 28 Dec 2009 19:03:28 +0800 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org, zhenchengjin@163.com List-Id: linux-raid.ids hi , I think it isn't complicated for raid5 to add bad block remap. "bad block remap" is means that if a bio is written error, we not fauty the disk, and try to write this bio to other place which alloced for bad block remap. i dont know why MD/raid5 add this function ? THS