From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: How to determine drive order in RAID-1 Date: Tue, 16 Oct 2007 10:23:41 +1000 Message-ID: <18196.1165.638769.133714@notabene.brown> References: <4713FB47.1010507@charter.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: message from Jeffrey B. Layton on Monday October 15 Sender: linux-raid-owner@vger.kernel.org To: laytonjb@charter.net Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Monday October 15, laytonjb@charter.net wrote: > Good evening, > > I hate to be a noob, but my system is dying (I think it's a bad > motherboard) so I wanted to get this email out before the system > died again. > > I've got 2 different RAID-1 devices (md0 and md1). md0 uses > the on-board IDE controller and md1 has two SATA drives > each is attached to a Promise SATA300 TX2 controller > (one drive to one controller). Is there anyway to determine > which drive is the first drive in the md device and which is > the second. There is no "first" or "second". There are just two drives. > > The reason I want to determine this is that I will be moving > the drives to a new system. Or does it matter in which order > they are moved? (the OS drive is moving over as well). No, it does not matter. NeilBrown