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
