From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stone Subject: Re: Brocken Raid & LUKS Date: Fri, 22 Feb 2013 23:42:39 +0100 Message-ID: <5127F45F.5020608@heisl.org> References: <5123A1CC.2000003@heisl.org> <51262CE0.3000809@heisl.org> <51263785.2010001@turmel.org> <51263D9D.1080002@heisl.org> <51263F7E.7040207@turmel.org> <5126421E.3040702@turmel.org> <51264C18.8000201@heisl.org> <51264E26.9050100@turmel.org> <51264EBF.9090000@heisl.org> <51264F7F.3020508@turmel.org> <512650A1.7070103@heisl.org> <51265132.7070706@turmel.org> <512656B5.4090505@heisl.org> <51265824.4030407@heisl.org> <51265B0B.9020108@turmel.org> <51265DA7.2030209@heisl.org> <512660B9.8090609@turmel.org> <5126629A.1090002@heisl.org> <51266360.9030402@turmel.org> <5126678D.9030101@heisl.org> <51266D73.5020700@turmel.org> <51267192.6090205@heisl.org> <51267467.9040603@turmel.org> <512675A6.1000801@heisl.org> <5126797C.8090105@heisl.org> <51269DE0.5070905@heisl.org> <512748FA.2000709@heisl .org> <51277876.30008@turmel.org> <51278793.80904@heisl.org> <512790AE.2080102@turmel.org> <5127B64A.3000808@heisl.org> <5127D857.9090204@heisl.org> <5127F2B8.4050601@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5127F2B8.4050601@turmel.org> Sender: linux-raid-owner@vger.kernel.org To: Phil Turmel Cc: linux-raid List-Id: linux-raid.ids Am 22.02.2013 23:35, schrieb Phil Turmel: > On 02/22/2013 03:43 PM, Stone wrote: >> so hello again. >> the script was running and i looked at my logs. >> >> this results i have >> with chunk-size 8,16,32,64,128 i have always the same error: Enter >> passphrase for /dev/md2: No key available with this passphrase. >> >> the first time to open it is possible with chunk 256 >> >> i send you some logs from 256 and 512 >> >> at 512 i get the first results with checksum errors. >> i think the right size is 512?! but the filesystem is brocken?! > Damage near the beginning of your filesystem is expected, remember? > Lots of damage further in is not expected, once we have the right settings. > > Very interesting. Especially this with sdb-sdc-missing-sde: > >> The filesystem size (according to the superblock) is 1465134336 blocks >> The physical size of the device is 1465133568 blocks >> Either the superblock or the partition table is likely to be corrupt! >> Abort? no > > I think this is the right device order, and the right chunk size. It > also best matches what we know of your original setup. But the total > size of the array device is 768 blocks smaller than it should be. This > should be solved. > > Please recreate the array with this combination, then show: > > mdadm -D /dev/md2 > mdadm -E /dev/sd[bce]1 > cat /proc/partitions > for x in /dev/sd[bce] ; do fdisk -l $x ; done > > Phil i dont know what chunk do you what but i think you mean 512k mdadm --create /dev/md2 --assume-clean --chunk=512 --verbose --level=5 --raid-devices=4 /dev/sdb1 /dev/sdc1 missing /dev/sde1 mdadm: layout defaults to left-symmetric mdadm: layout defaults to left-symmetric mdadm: layout defaults to left-symmetric mdadm: /dev/sdb1 appears to be part of a raid array: level=raid5 devices=4 ctime=Fri Feb 22 21:30:55 2013 mdadm: layout defaults to left-symmetric mdadm: /dev/sdc1 appears to be part of a raid array: level=raid5 devices=4 ctime=Fri Feb 22 21:30:55 2013 mdadm: layout defaults to left-symmetric mdadm: /dev/sde1 appears to be part of a raid array: level=raid5 devices=4 ctime=Fri Feb 22 21:30:55 2013 mdadm: size set to 1953511936K Continue creating array? y mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md2 started mdadm -E /dev/sd[bce]1 /dev/sdb1: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 63da1137:ee45cd1f:72935645:398569ae Name : ubuntu:2 (local to host ubuntu) Creation Time : Fri Feb 22 23:40:12 2013 Raid Level : raid5 Raid Devices : 4 Avail Dev Size : 3907027037 (1863.02 GiB 2000.40 GB) Array Size : 11721071616 (5589.04 GiB 6001.19 GB) Used Dev Size : 3907023872 (1863.01 GiB 2000.40 GB) Data Offset : 2048 sectors Super Offset : 8 sectors State : clean Device UUID : 76d36328:32020f15:893f4962:f1cf0e7a Update Time : Fri Feb 22 23:40:12 2013 Checksum : 225b2e91 - correct Events : 0 Layout : left-symmetric Chunk Size : 512K Device Role : Active device 0 Array State : AA.A ('A' == active, '.' == missing) /dev/sdc1: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 63da1137:ee45cd1f:72935645:398569ae Name : ubuntu:2 (local to host ubuntu) Creation Time : Fri Feb 22 23:40:12 2013 Raid Level : raid5 Raid Devices : 4 Avail Dev Size : 3907024896 (1863.01 GiB 2000.40 GB) Array Size : 11721071616 (5589.04 GiB 6001.19 GB) Used Dev Size : 3907023872 (1863.01 GiB 2000.40 GB) Data Offset : 2048 sectors Super Offset : 8 sectors State : clean Device UUID : 5bb7b565:81820027:695dad8b:e3d97352 Update Time : Fri Feb 22 23:40:12 2013 Checksum : 7367b23b - correct Events : 0 Layout : left-symmetric Chunk Size : 512K Device Role : Active device 1 Array State : AA.A ('A' == active, '.' == missing) /dev/sde1: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 63da1137:ee45cd1f:72935645:398569ae Name : ubuntu:2 (local to host ubuntu) Creation Time : Fri Feb 22 23:40:12 2013 Raid Level : raid5 Raid Devices : 4 Avail Dev Size : 3907027037 (1863.02 GiB 2000.40 GB) Array Size : 11721071616 (5589.04 GiB 6001.19 GB) Used Dev Size : 3907023872 (1863.01 GiB 2000.40 GB) Data Offset : 2048 sectors Super Offset : 8 sectors State : clean Device UUID : e016452e:6e86b9fa:27b46b87:08484e32 Update Time : Fri Feb 22 23:40:12 2013 Checksum : eb48e2ef - correct Events : 0 Layout : left-symmetric Chunk Size : 512K Device Role : Active device 3 Array State : AA.A ('A' == active, '.' == missing) /proc/partitions major minor #blocks name 8 0 244198584 sda 8 1 248832 sda1 8 2 1 sda2 8 5 243947520 sda5 252 0 235589632 dm-0 252 1 8351744 dm-1 8 16 1953514584 sdb 8 17 1953514542 sdb1 8 32 1953514584 sdc 8 33 1953513472 sdc1 8 48 1953514584 sdd 8 49 1953514542 sdd1 8 64 1953514584 sde 8 65 1953514542 sde1 9 2 5860535808 md2 for x in /dev/sd[bce] ; do fdisk -l $x ; done WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdb1 1 3907029167 1953514583+ ee GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sdc1 1 3907029167 1953514583+ ee GPT WARNING: GPT (GUID Partition Table) detected on '/dev/sde'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sde: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sde1 1 3907029167 1953514583+ ee GPT