From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Adamski Subject: raid upgrade form 1.5T to 3T drives with 0.90 superblock Date: Thu, 23 Jun 2011 14:43:15 -0400 Message-ID: <1308854595.23175.65.camel@oxygen.netxsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Hi All, I have a raid6 array made out of 8 1.5T drives and I wanted to change to use 3T drives. The array is 0.90. After reading the wiki I see that 0.90 superblock will not work with any device larger then 2T. What are my options for a live upgrade (backup/restore is not possible)? Thanks in advance. K