From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Krainz Subject: Building new RAID5 results in removed and failed devices Date: Thu, 24 Jun 2010 22:26:33 +0200 Message-ID: <4C23BF79.2070009@gmx.at> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids 1. I delete my old array md0 2. Then I create a new one as md1 3. The new md1 is not ok and shows removed, faulty and spare devices. 5. I tried this serveral times now, but i always get the same issue. I am at my wits end and would very much appreciate your advice. Thank you in advance. This is what I did: /dev/ mdadm --stop md0 mdadm: stopped md0 /dev/ mdadm --remove md0 /dev/ mdadm --detail md0 mdadm: md device md0 does not appear to be active. /dev/ mdadm --zero-superblock /dev/sdd1 /dev/ mdadm --zero-superblock /dev/sdc1 mdadm: Unrecognised md component device - /dev/sdc1 /dev/ mdadm --zero-superblock /dev/sdb1 /dev/ mdadm --create --verbose /dev/md1 --chunk=64 --level=5 --raid-devices=2 /dev/sdd1 /dev/sdb1 mdadm: layout defaults to left-symmetric mdadm: size set to 1953511936K mdadm: array /dev/md1 started. /dev/ mdadm --detail md1 md1: Version : 00.90 Creation Time : Thu Jun 24 15:17:51 2010 Raid Level : raid5 Array Size : 1953511936 (1863.01 GiB 2000.40 GB) Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Thu Jun 24 17:23:46 2010 State : clean, degraded, recovering Active Devices : 1 Working Devices : 2 Failed Devices : 0 Spare Devices : 1 Layout : left-symmetric Chunk Size : 64K Rebuild Status : 36% complete UUID : d83aec6d:a71a2345:4cbed0ec:a797be60 (local to host d-serv) Events : 0.12 Number Major Minor RaidDevice State 0 8 49 0 active sync /dev/sdd1 2 8 17 1 spare rebuilding /dev/sdb1 /dev/ mdadm --detail md1 md1: Version : 00.90 Creation Time : Thu Jun 24 15:17:51 2010 Raid Level : raid5 Array Size : 1953511936 (1863.01 GiB 2000.40 GB) Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Thu Jun 24 18:04:28 2010 State : clean, degraded Active Devices : 0 Working Devices : 1 Failed Devices : 1 Spare Devices : 1 Layout : left-symmetric Chunk Size : 64K Number Major Minor RaidDevice State 0 0 0 0 removed 1 0 0 1 removed 2 8 17 - spare /dev/sdb1 3 8 49 - faulty spare /dev/sdd1