From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sharif Islam Subject: Re: recreate superblock? (was Re: mdadm: failed to RUN_ARRAY) Date: Mon, 11 Oct 2004 14:09:46 -0500 Sender: linux-raid-owner@vger.kernel.org Message-ID: <416ADA7A.5060802@uiuc.edu> References: <4168064D.3050903@uiuc.edu> <4168140A.6070300@uiuc.edu> <416AB1E1.1070605@uiuc.edu> <1097502158.5815.62.camel@langvan2.homenetwork> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1097502158.5815.62.camel@langvan2.homenetwork> To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Mike Tran wrote: >Hi Sharif, > >>>From the kernel log, I believe that the raid5 array now has 4 working >disks out of 6 raid disks. My suggestion is to recreate the array. > >Before recreating the MD array, I would suggest that you run mdadm >--examine /dev/hdxx (i.e. hde1, hdf1 or hdg1) and write down the >information of the original array setup. > >Some of the important Raid5 info are : Raid Devices, Total Devices, >Preferred Minor (/dev/mdx), Spare Devices, Layout, Chunk Size, order of >devices. > >When you **decide** to use mdadm -C to recreate array, mdadm will ask >you to confirm on overwriting existing md superblock. > > Thanks for your response. Will it delete the existing the data on the RAID? -Sharif