From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann Ormanns Subject: Re: RAID6 simply does not start as /dev/md8 Date: Mon, 11 Apr 2011 10:19:17 +0200 Message-ID: <4DA2B985.2010905@web.de> References: <0E.11.05159.1B082AD4@cdptpa-omtalb.mail.rr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <0E.11.05159.1B082AD4@cdptpa-omtalb.mail.rr.com> Sender: linux-raid-owner@vger.kernel.org To: lrhorer@satx.rr.com Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids First of all: I finally solved the problem by creating an initrd, which assembles all arrays, so I could deactivate CONFIG_MD_AUTODETECT in the kernel. I also do not need /etc/mdadm.conf anymore - and it works like a charm. Thanks to everybody who attended to this problem! The summary can be found here: https://forums.gentoo.org/viewtopic-t-868017-highlight-.html Subject: RE: RAID6 simply does not start as /dev/md8 From: Leslie Rhorer To: Yann Ormanns Date: 2011-04-11 10:06 (-0500) > From your description, it sounds to me like md8 is built using > the whole disk on all 6 drives. If so, there's really no need to partition > the drives. > That is correct. I simply wanted to eliminate possible mistakes - after 6 or 7 "useless" syncs of the array I tried _everything_, just to get this thing work. >> Unfortunately, I have to keep "CONFIG_MD_AUTODETECT" enabled, because / >> and the whole system runs on a RAID1. But why does the kernel start the >> array, although the used partition type of the disks in my RAID6 is NOT >> "linux raid autodetect"? > > Mdadm builds any arrays local to the system at boot. Why do you > have grief with the kernel starting the array? > The problem was, that - although I did not use the filesystem type "linux raid autodetect" for my RAID6 - the kernel still seemed to assemble it. Now, without its autodetection, it works fine. Best regards, Yann