From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Ryczkowski Subject: Re: What parameters to mdadm, to re-create md device with payload starting at 0x22000 position on backing storage? Date: Tue, 18 Sep 2012 08:53:25 +0200 Message-ID: <50581A65.5050201@statystyka.net> References: <5056CA7E.5040303@statystyka.net> <20120917174952.GA6559@cthulhu.home.robinhill.me.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120917174952.GA6559@cthulhu.home.robinhill.me.uk> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 2012-09-17 19:49, Robin Hill wrote: > Your data offset is 272 sectors, which means you'll need to use an older > mdadm version to re-create the array. Newer versions use 2048 sectors, > but it looks like version 3.0 uses 272, so grab a copy of that if > possible. Does it mean, that with the current raid setup I need to stick to the mdadm 3.0, or is there way to convert the arrays to the new layout so I can use a recent mdadm? Re-creating the arrays from scratch would be a very long and complex enterprise. Adam