From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Pittman Subject: Re: fd filesystem and RAID1 Date: Mon, 05 Apr 2004 10:58:54 +1000 Sender: linux-raid-owner@vger.kernel.org Message-ID: <87oeq7me9d.fsf@enki.rimspace.net> References: <1080948756.999.10.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 03 Apr 2004, Ninti Systems wrote: > I've been able to do everything involved in setting up a simple RAID1 > with 2 IDE disks on Slackware 9.1 except get it to actually keep > working on reboot. > > I installed on one disk, built 'degraded' RAID1 devices on the second > disk, copied data, etc. I can hot add devices from the original disk > to the RAID arrays. RAID devices in /etc/fstab come up (in degraded > mode) on boot. > > The problem is that hot-added devices never stick, the RAID arrays are > always degraded again on reboot. > > mdadm complains of missing superblocks. I have read the man page but > can't see how to manage superblocks (create/delete) if this is even > possible. > > I'm wondering if have to make the original install partitions type > 'fd' as well as those on the second disk? The kernel auto-discovery will only probe a partition that has type 'fd', so if you want both parts of the mirror to work, both need to be type 'fd'. Daniel -- Democracy is ever eager for rapid progress, and the only progress which can be rapid is progress made down hill. -- Sir James Jeans