Thanks a lot Neil! I didn't know that it requires you to register to download. My bad. Here's the output of examine: /dev/sda1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 13:28:39 2009 State : clean Active Devices : 6 Working Devices : 6 Failed Devices : 1 Spare Devices : 0 Checksum : 5b5a1163 - correct Events : 949214 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 4 8 1 4 active sync /dev/sda1 0 0 0 0 0 removed 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sdb1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 13:28:39 2009 State : clean Active Devices : 6 Working Devices : 6 Failed Devices : 1 Spare Devices : 0 Checksum : 5b5a1177 - correct Events : 949214 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 6 8 17 6 active sync /dev/sdb1 0 0 0 0 0 removed 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sdc1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 13:28:39 2009 State : clean Active Devices : 6 Working Devices : 6 Failed Devices : 1 Spare Devices : 0 Checksum : 5b5a117f - correct Events : 949214 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 2 8 33 2 active sync /dev/sdc1 0 0 0 0 0 removed 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sdd1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 13:28:39 2009 State : clean Active Devices : 6 Working Devices : 6 Failed Devices : 1 Spare Devices : 0 Checksum : 5b5a1199 - correct Events : 949214 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 7 8 49 7 active sync /dev/sdd1 0 0 0 0 0 removed 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sde1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 13:28:39 2009 State : clean Active Devices : 6 Working Devices : 6 Failed Devices : 1 Spare Devices : 0 Checksum : 5b5a119d - correct Events : 949214 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 1 8 65 1 active sync /dev/sde1 0 0 0 0 0 removed 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sdf1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 06:40:04 2009 State : clean Active Devices : 7 Working Devices : 7 Failed Devices : 1 Spare Devices : 0 Checksum : 5b59b1c1 - correct Events : 949204 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 0 8 81 0 active sync /dev/sdf1 0 0 8 81 0 active sync /dev/sdf1 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sdg1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 2554257664 (2435.93 GiB 2615.56 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 00:10:39 2009 State : clean Active Devices : 8 Working Devices : 8 Failed Devices : 0 Spare Devices : 0 Checksum : fba3471a - correct Events : 874530 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 3 8 97 3 active sync /dev/sdg1 0 0 8 81 0 active sync /dev/sdf1 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 8 97 3 active sync /dev/sdg1 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 /dev/sdh1: Magic : a92b4efc Version : 00.91.00 UUID : ed1a2670:03308d80:95a69c9f:ccf9605f Creation Time : Sat May 23 00:22:49 2009 Raid Level : raid5 Used Dev Size : 976759808 (931.51 GiB 1000.20 GB) Array Size : 6837318656 (6520.58 GiB 7001.41 GB) Raid Devices : 8 Total Devices : 8 Preferred Minor : 0 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) Delta Devices : 1 (7->8) Update Time : Wed Sep 2 13:28:39 2009 State : clean Active Devices : 6 Working Devices : 6 Failed Devices : 1 Spare Devices : 0 Checksum : 5b5a11d5 - correct Events : 949214 Layout : left-symmetric Chunk Size : 256K Number Major Minor RaidDevice State this 5 8 113 5 active sync /dev/sdh1 0 0 0 0 0 removed 1 1 8 65 1 active sync /dev/sde1 2 2 8 33 2 active sync /dev/sdc1 3 3 0 0 3 faulty removed 4 4 8 1 4 active sync /dev/sda1 5 5 8 113 5 active sync /dev/sdh1 6 6 8 17 6 active sync /dev/sdb1 7 7 8 49 7 active sync /dev/sdd1 I have already downloaded and compiled mdadm 3.0, but didn't install it, awaiting further instructions from you. I'll install it now and run -Af and report back what happens. Thank you again! On Mon, Sep 7, 2009 at 2:52 AM, Neil Brown<neilb@xxxxxxx> wrote: > On Sunday September 6, majedb@xxxxxxxxx wrote: >> I forgot to mention that I'm running mdadm 2.6.7.1 (latest in Ubuntu >> Server repositories). > > You will need at least 2.6.8 to be able to assemble arrays which are > in the middle of a reshape. I would suggest 2.6.9 or 3.0. > >> >> I tried forcing the assembly, but as mentioned, I just got an error: >> root@Adam:/var/www# mdadm -Af /dev/md0 >> mdadm: superblock on /dev/sdh1 doesn't match others - assembly aborted > > This incorrect message is fixed in 2.6.8 an later. > >> >> I know I could've pasted whatever I wrote here, but it seemed >> redundant. I'll keep your hint in mind for the next time, if any >> (hopefully not). > > Redundant? How is that relevant? > If you want help, your goal should be to make it as easy as possible > for people to help you. Having all information in one email message > is easy. Having to use a browser to get some of it makes it hard. > Having to register on the website to down load an attachment makes it > nearly impossible. > >> >> This may be of an interest to you: >> root@Adam:/var/www# mdadm -E /dev/sd[a-h]1 | grep Reshap >> sda1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) >> sdb1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) >> sdc1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) >> sdd1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) >> sde1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) >> sdf1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) >> sdg1 Reshape pos'n : 2554257664 (2435.93 GiB 2615.56 GB) >> sdh1 Reshape pos'n : 3357066496 (3201.55 GiB 3437.64 GB) > > If you can post that again but without the "grep" I might be able to > be more helpful. (i.e. the complete output of "mdadm -E /dev/sd[a-h]1"). > > NeilBrown > > > >> >> Note that sdd1 was the spare. >> >> The UUIDs are all the same and the superblock is all similar except >> for the reshaping position of sdg1. >> >> I didn't try to recreate the array as I've never faced this issue >> before, so I don't know what kind of repercussions it may have. >> >> What I do know, that at the worst case scenario, I can recreate the >> array out of 7 disks (all but sdg1), but lose about 2.3TB worth of >> data :( >> >> On Sun, Sep 6, 2009 at 12:32 AM, NeilBrown<neilb@xxxxxxx> wrote: >> > On Sun, September 6, 2009 6:22 am, Majed B. wrote: >> >> Hello all, >> >> >> >> I have posted my problem already here: >> >> http://ubuntuforums.org/showthread.php?p=7900571#post7900571 >> >> It also has file attachments of the output of mdadm -E /dev/sd[a-h]1 >> > >> > It seems that you need to log in to read the attachements... so I haven't. >> > >> >> >> >> I appreciate any help on this. >> > >> > Hopefully you just need to add "--force" to the assemble command >> > and it would all just work. However I haven't tested that on an array >> > that is in the process of a reshape so I cannot promise. >> > I might try to reproduce your situation and with some scratch drives >> > and check that mdadm -Af does the right thing, but it won't be a day >> > or so, and as I cannot see the --examine output I might get the >> > situation a bit wrong ... (hint hint: it is always best to post >> > full information rather than pointers to it, unless said information is >> > really really big). >> > >> > NeilBrown >> >> -- >> Majed B. >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html