From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: RAID-1 does not rebuild after hot-add Date: Wed, 6 Aug 2003 11:01:23 +1000 Sender: linux-raid-owner@vger.kernel.org Message-ID: <16176.21347.273135.576341@gargle.gargle.HOWL> References: <3F2D1FAC.9030905@shaolinmicro.com> <16173.43804.617586.906225@gargle.gargle.HOWL> <3F2E8CAE.7090208@shaolinmicro.com> <16175.4992.765886.291774@gargle.gargle.HOWL> <3F2F4F7F.6010801@shaolinmicro.com> <16175.21583.621336.653083@gargle.gargle.HOWL> <3F2F9BEF.7080104@shaolinmicro.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: message from David Chow on Tuesday August 5 To: David Chow Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Tuesday August 5, davidchow@shaolinmicro.com wrote: > The point is my root is on md2 . I can never reassemble the RAID > devices. This is just the same of using a --force with mkraid of mdadm > with reassemble . There seems no other way to update buggy superblocks > online or even do something with reboot? Can I just modify the field and > reset the machine after a "sync"? You could try, but I wouldn't recommend it. You could upgrade to 2.6 which it probably get it right, but as it is still -testing, you might not want to. Best solution is to boot a rescue disk and do it from there. Sorry I cannot be more helpful. NeilBrown