From mboxrd@z Thu Jan 1 00:00:00 1970 From: Larry Fenske Subject: sector mapping Date: Tue, 11 Feb 2014 12:50:20 -0700 Message-ID: <52FA7EFC.8080001@SGI.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: "linux-raid@vger.kernel.org" List-Id: linux-raid.ids Is there any easy way for me to determine the mapping between sector numbers in a RAID set and the locations of the underlying data and syndromes? For example, if I find that a particular sector of a particular disk is marginal, how can I determine the affected sector number(s) in the RAID set? Is there a tool to compute this mapping, or do I need to write it? Thanks, SGI signature - Larry Fenske