From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: Server =?UTF-8?B?ZG93bi1mYWls4oCLZWQ=?= RAID5-asking for some assistance Date: Sun, 24 Apr 2011 12:58:48 +1000 Message-ID: <20110424125848.6730999e@notabene.brown> References: <20110422125734.1a68a736@notabene.brown> <20110423074411.78fef94f@notabene.brown> <20110423184824.55ee7893@notabene.brown> <20110424075101.6763309f@notabene.brown> <4DB370E1.5030602@anonymous.org.uk> <4DB38726.2090805@anonymous.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: John Valarti Cc: John Robinson , linux-raid@vger.kernel.org List-Id: linux-raid.ids On Sat, 23 Apr 2011 20:28:34 -0600 John Valarti wrote: > On Sat, Apr 23, 2011 at 8:12 PM, John Robinson > wrote: > .. > > That was the letter v twice, not the letter w - and I didn't mean you to > > specify any devices, just `mdadm -Esvv` on its own. > > Oops! sorry. > Here you go (sdd is my USB thumb drive): > > mdadm: No md superblock detected on /dev/sdd1. > mdadm: No md superblock detected on /dev/sdd. > mdadm: No md superblock detected on /dev/sdc. > mdadm: No md superblock detected on /dev/sdb. > /dev/sdc2: > Magic : a92b4efc > Version : 0.90.00 > UUID : ddf4d448:36afa319:f0917855:03f8bbe8 > Creation Time : Mon May 15 16:38:05 2006 > Raid Level : raid5 > Used Dev Size : 244975104 (233.63 GiB 250.85 GB) > Array Size : 734925312 (700.88 GiB 752.56 GB) > Raid Devices : 4 > Total Devices : 3 > Preferred Minor : 1 > > Update Time : Mon Apr 18 07:48:54 2011 > State : clean > Active Devices : 3 > Working Devices : 3 > Failed Devices : 1 > Spare Devices : 0 > Checksum : 5674ce4e - correct > Events : 28580020 > > Layout : left-symmetric > Chunk Size : 256K > > Number Major Minor RaidDevice State > this 0 8 2 0 active sync /dev/sda2 > > 0 0 8 2 0 active sync /dev/sda2 > 1 1 8 18 1 active sync /dev/sdb2 > 2 2 8 34 2 active sync /dev/sdc2 > 3 3 0 0 3 faulty removed > /dev/sdc1: > Magic : a92b4efc > Version : 0.90.00 > UUID : 79435baa:74a2b2c3:68d7e34f:d95ad478 > Creation Time : Mon May 15 16:38:08 2006 > Raid Level : raid1 > Used Dev Size : 136448 (133.27 MiB 139.72 MB) > Array Size : 136448 (133.27 MiB 139.72 MB) > Raid Devices : 4 > Total Devices : 4 > Preferred Minor : 0 > > Update Time : Mon Apr 18 07:36:56 2011 > State : clean > Active Devices : 4 > Working Devices : 4 > Failed Devices : 0 > Spare Devices : 0 > Checksum : 6b5ae9fa - correct > Events : 4878 > > > Number Major Minor RaidDevice State > this 0 8 1 0 active sync /dev/sda1 > > 0 0 8 1 0 active sync /dev/sda1 > 1 1 8 17 1 active sync /dev/sdb1 > 2 2 8 33 2 active sync /dev/sdc1 > 3 3 8 49 3 active sync /dev/sdd1 > /dev/sdb2: > Magic : a92b4efc > Version : 0.90.00 > UUID : ddf4d448:36afa319:f0917855:03f8bbe8 > Creation Time : Mon May 15 16:38:05 2006 > Raid Level : raid5 > Used Dev Size : 244975104 (233.63 GiB 250.85 GB) > Array Size : 734925312 (700.88 GiB 752.56 GB) > Raid Devices : 4 > Total Devices : 3 > Preferred Minor : 1 > > Update Time : Mon Apr 18 07:48:51 2011 > State : clean > Active Devices : 3 > Working Devices : 3 > Failed Devices : 1 > Spare Devices : 0 > Checksum : 5674ce6b - correct > Events : 28580018 > > Layout : left-symmetric > Chunk Size : 256K > > Number Major Minor RaidDevice State > this 2 8 34 2 active sync /dev/sdc2 > > 0 0 8 2 0 active sync /dev/sda2 > 1 1 8 18 1 active sync /dev/sdb2 > 2 2 8 34 2 active sync /dev/sdc2 > 3 3 0 0 3 faulty removed > /dev/sdb1: > Magic : a92b4efc > Version : 0.90.00 > UUID : 79435baa:74a2b2c3:68d7e34f:d95ad478 > Creation Time : Mon May 15 16:38:08 2006 > Raid Level : raid1 > Used Dev Size : 136448 (133.27 MiB 139.72 MB) > Array Size : 136448 (133.27 MiB 139.72 MB) > Raid Devices : 4 > Total Devices : 4 > Preferred Minor : 0 > > Update Time : Mon Apr 18 07:36:56 2011 > State : clean > Active Devices : 4 > Working Devices : 4 > Failed Devices : 0 > Spare Devices : 0 > Checksum : 6b5aea1e - correct > Events : 4878 > > > Number Major Minor RaidDevice State > this 2 8 33 2 active sync /dev/sdc1 > > 0 0 8 1 0 active sync /dev/sda1 > 1 1 8 17 1 active sync /dev/sdb1 > 2 2 8 33 2 active sync /dev/sdc1 > 3 3 8 49 3 active sync /dev/sdd1 > /dev/sda2: > Magic : a92b4efc > Version : 0.90.00 > UUID : ddf4d448:36afa319:f0917855:03f8bbe8 > Creation Time : Mon May 15 16:38:05 2006 > Raid Level : raid5 > Used Dev Size : 244975104 (233.63 GiB 250.85 GB) > Array Size : 73492531mdadm: No md superblock detected on /dev/sda. > mdadm: No md superblock detected on /dev/loop0. > 2 (700.88 GiB 752.56 GB) > Raid Devices : 4 > Total Devices : 3 > Preferred Minor : 1 > > Update Time : Mon Apr 18 07:48:54 2011 > State : clean > Active Devices : 3 > Working Devices : 3 > Failed Devices : 1 > Spare Devices : 0 > Checksum : 5674ce60 - correct > Events : 28580020 > > Layout : left-symmetric > Chunk Size : 256K > > Number Major Minor RaidDevice State > this 1 8 18 1 active sync /dev/sdb2 > > 0 0 8 2 0 active sync /dev/sda2 > 1 1 8 18 1 active sync /dev/sdb2 > 2 2 8 34 2 active sync /dev/sdc2 > 3 3 0 0 3 faulty removed > /dev/sda1: > Magic : a92b4efc > Version : 0.90.00 > UUID : 79435baa:74a2b2c3:68d7e34f:d95ad478 > Creation Time : Mon May 15 16:38:08 2006 > Raid Level : raid1 > Used Dev Size : 136448 (133.27 MiB 139.72 MB) > Array Size : 136448 (133.27 MiB 139.72 MB) > Raid Devices : 4 > Total Devices : 4 > Preferred Minor : 0 > > Update Time : Mon Apr 18 07:36:56 2011 > State : clean > Active Devices : 4 > Working Devices : 4 > Failed Devices : 0 > Spare Devices : 0 > Checksum : 6b5aea0c - correct > Events : 4878 > > > Number Major Minor RaidDevice State > this 1 8 17 1 active sync /dev/sdb1 > > 0 0 8 1 0 active sync /dev/sda1 > 1 1 8 17 1 active sync /dev/sdb1 > 2 2 8 33 2 active sync /dev/sdc1 > 3 3 8 49 3 active sync /dev/sdd1 > > > >>> Please also try `mdadm --assemble --scan --verbose` and post the result. > mdadm: No arrays found in config file > I should have also asked for "mdadm --version". However given that above, you want to: mdadm --assemble --verbose --force /dev/md1 /dev/sda2 /dev/sdb2 /dev/sdc2 NeilBrown