From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pim Zandbergen Subject: Re: freshly grown array shrinks after first reboot - major data loss Date: Thu, 01 Sep 2011 18:12:35 +0200 Message-ID: <4E5FAEF3.60501@macroscoop.nl> References: <4E5FA4B5.6010407@macroscoop.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4E5FA4B5.6010407@macroscoop.nl> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 09/01/2011 05:28 PM, Pim Zandbergen wrote: > > > What should I do to find the cause? Additional information: Both the original 2TB drives as well as the new 3TB drives were GPT formatted with partition type FD00 This is information about the currently shrunk array: # mdadm --detail /dev/md0 /dev/md0: Version : 0.90 Creation Time : Wed Feb 8 23:22:15 2006 Raid Level : raid5 Array Size : 4696690944 (4479.11 GiB 4809.41 GB) Used Dev Size : 782781824 (746.52 GiB 801.57 GB) Raid Devices : 7 Total Devices : 7 Preferred Minor : 0 Persistence : Superblock is persistent Update Time : Tue Aug 30 21:50:50 2011 State : clean Active Devices : 7 Working Devices : 7 Failed Devices : 0 Spare Devices : 0 Layout : left-symmetric Chunk Size : 64K UUID : 1bf1b0e2:82d487c5:f6f36a45:766001d1 Events : 0.3157574 Number Major Minor RaidDevice State 0 8 161 0 active sync /dev/sdk1 1 8 177 1 active sync /dev/sdl1 2 8 193 2 active sync /dev/sdm1 3 8 145 3 active sync /dev/sdj1 4 8 209 4 active sync /dev/sdn1 5 8 225 5 active sync /dev/sdo1 6 8 129 6 active sync /dev/sdi1