C is the pen-drive I am booting from currently and F is the 2TB disk I was using to backup to. mint dev # cat /proc/partitions major minor #blocks name 7 0 939820 loop0 8 0 976762584 sda 8 1 976760832 sda1 8 16 976762584 sdb 8 17 976237568 sdb1 8 32 1985024 sdc 8 33 1984960 sdc1 8 48 976762584 sdd 8 49 976760832 sdd1 8 64 976762584 sde 8 65 976237568 sde1 11 0 1048575 sr0 8 80 1953514584 sdf 8 81 1953512448 sdf1 mint dev # blkid /dev/loop0: TYPE="squashfs" /dev/sda1: UUID="db9e3115-556a-49db-27c4-2d3002657472" UUID_SUB="933ec5c0-d681-9e33-adb0-e6c890e337bd" LABEL="mint:0" TYPE="linux_raid_member" /dev/sdb1: UUID="db9e3115-556a-49db-27c4-2d3002657472" UUID_SUB="9d6df7c7-ce40-1405-4ea1-8763a528ecc5" LABEL="mint:0" TYPE="linux_raid_member" /dev/sdc1: UUID="5860-2FA0" TYPE="vfat" /dev/sdd1: UUID="db9e3115-556a-49db-27c4-2d3002657472" UUID_SUB="fa1a1b82-989e-933a-95e4-d2495cee901d" LABEL="mint:0" TYPE="linux_raid_member" /dev/sde1: UUID="db9e3115-556a-49db-27c4-2d3002657472" UUID_SUB="594ed481-471e-f11a-027f-1c246f9d057d" LABEL="mint:0" TYPE="linux_raid_member" /dev/sdf1: UUID="1C3C2B104A8445ED" TYPE="ntfs" On Sat, Nov 17, 2012 at 11:48 PM, Phil Turmel <philip@xxxxxxxxxx> wrote: > Hi Drew, > > On 11/17/2012 01:06 PM, Drew Reusser wrote: >> I hate to be a newbie on this list, and ask a question but I am really at a >> loss. I have a raid 10 that I have had working and was throwing no errors, >> and I rebooted and now I cannot get it to come back. I am running a live >> CD and trying to get it to mount, and I am getting errors about bad >> superblocks, invalid bitmaps, and invalid partition tables. I have been >> scouring the interwebs for the last few days and ran across the archive on >> http://www.spinics.net but cannot find anything that has worked there for >> me so I figured I would join and at least hope. Last chance for me to take >> it to a data retrieval office which I really don't want to do. >> >> Here is my setup. 4x1tb disks in raid 10. I can get the array to mount - >> but it tells me the file system is invalid. I have the following from >> commands I have seen people ask below. The devices are currently sitting >> unmounted and not in an array until I can go forward with some confidence I >> am not going to loose my data. >> >> >> >> >> mint dev # mdadm --examine /dev/sd[abde] >> /dev/sda: >> MBR Magic : aa55 >> Partition[0] : 1953521664 sectors at 2048 (type 83) >> /dev/sdb: >> Magic : a92b4efc >> Version : 1.2 >> Feature Map : 0x0 >> Array UUID : 5a2570f4:0bbaf2d4:8a3cc761: >> 69b655ba >> Name : mint:0 (local to host mint) >> Creation Time : Wed Nov 14 20:55:09 2012 >> Raid Level : raid10 >> Raid Devices : 4 >> >> Avail Dev Size : 1953263024 (931.39 GiB 1000.07 GB) >> Array Size : 1953262592 (1862.78 GiB 2000.14 GB) >> Used Dev Size : 1953262592 (931.39 GiB 1000.07 GB) >> Data Offset : 262144 sectors >> Super Offset : 8 sectors >> State : clean >> Device UUID : e955cd6f:96e08ba2:c40bddae:ac633f0d >> >> Update Time : Wed Nov 14 21:15:27 2012 >> Checksum : 5b7c4f1e - correct >> Events : 9 >> >> Layout : near=2 >> Chunk Size : 512K >> >> Device Role : Active device 1 >> Array State : .A.A ('A' == active, '.' == missing) >> /dev/sdd: >> Magic : a92b4efc >> Version : 1.2 > > This isn't a complete report for four devices. Please show the output > of "blkid" and "cat /proc/partitions" so we can help you report the > details needed. > > Phil > > -- 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