From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bryan Christ Subject: Re: Raid array is not automatically detected. Date: Fri, 17 Oct 2008 13:40:49 -0500 Message-ID: <1224268849.17503.72.camel@tuxdev64> References: <48F8AA24.7050607@itamservices.de> Reply-To: bryan.christ@hp.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <48F8AA24.7050607@itamservices.de> Sender: linux-raid-owner@vger.kernel.org To: Daniel Reichelt Cc: "linux-raid@vger.kernel.org" List-Id: linux-raid.ids thanks for the tip! On Fri, 2008-10-17 at 15:07 +0000, Daniel Reichelt wrote: > Hi Bryan, > I was just having the same problem and the mdadm man page clearly states: > ---------------------------- > --homehost= > This will override any HOMEHOST setting in the config file and provides the > identity of the host which should be considered the home for any arrays. > > When creating an array, the homehost will be recorded in the superblock. > For version-1 superblocks, it will be prefixed to the array name. For > version-0.90 superblocks, part of the SHA1 hash of the hostname will be stored > in the later half of the UUID. > > When reporting information about an array, any array which is tagged for > the given homehost will be reported as such. > > **** > When using Auto-Assemble, only arrays tagged for the given homehost will be > assembled. > **** > ---------------------------- > > So just once stop your array and manually assemble it like > mdadm -A --homehost= --update=homehost > and from the next reboot on, that array, too, will automatically be assembled > by the linux kernel. > HTH > Daniel