From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Soltys Subject: Re: Re-assembling a software RAID in which device names have changed. Date: Tue, 08 Apr 2008 22:19:43 +0200 Message-ID: <47FBD35F.1010205@ziu.info> References: <47FBAA76.20008@msgid.tls.msk.ru> <47FBBB6E.8040307@msgid.tls.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: "Sean H." Cc: linux-raid List-Id: linux-raid.ids Sean H. wrote: > > Now, today, I wanted to determine which disk was failing, so I > unmounted my array and unplugged drives - Specifically, three. The > third was the culprit, and I plugged the drives back in and rebooted. > Just to be sure - did you do that on live array ? (it kinda looks like you did) > > Below the first command, and separated by ten hyphens is --detail > /dev/md0 which shows that the remaining device is marked "removed" and > not "failed". > > I thank you for your help thusfar - You've allowed me to mount the > array and access my data. However, I would very much like to get my > RAID 5 back to non-degraded status ASAP. > You can add the drive/partition with --add option to the existing array. It will start rebuilding then, and it can take a while.