From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Dawson Subject: Can't mount Old RHEL 6 Raid with new install of CentOS 7, now can't mount with original RHEL 6 Date: Thu, 11 Aug 2016 06:19:06 -0600 Message-ID: <42cee2e2d85a5b0e39efc34117e597a2@celticblues.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids I have a machine which had a drive with RHEL 6.X installed with a raid device setup on separate disk(s). Installed a new hard disk in machine and installed CentOS 7. CentOS 7 wouldn't mount the raid. Put the old drive back in and now RHEL 6.X won't mount the raid. Is the raid permanently hosed? Can I get the data on it back? How? Thx. JD