From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: How does md(adm) work with fake-raid ? Date: Sun, 21 Jul 2013 19:10:23 +0200 Message-ID: <51EC15FF.1070809@arcor.de> References: <51E86613.9050505@arcor.de> <51E98AEF.5060206@arcor.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Francis Moreau , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 07/21/2013 03:41 PM, Francis Moreau wrote: > On Fri, Jul 19, 2013 at 8:52 PM, Martin Wilck wrote: >>> Yes, but my question is about how md cooperate with the BIOS in this case ? >> >> Not sure what you mean. When Linux runs, with or without MD, no BIOS >> code is ever executed. > > Ok I think I'm missing something more fundamental here. > > For exemple when writing to the disk, each write goes into the 2 disks > in case of RAID1. When Linux runs, is it either DM or MD (and > necessarily one of them) that does this work ? Yes. > For windows case, does it relies on a driver that is provided by the > RAID manufacturer ? Exactly. Regards Martin