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Wrong Fs Type, Bad Option, Bad Superblock On /dev/md0

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mdadm: no RAID superblock on /dev/sda mdadm: /dev/sda has wrong uuid. LinuxQuestions.org > Forums > Linux Forums > Linux - Software mdadm: cannot open /dev/md/0: No such file or directory User Name Remember Me? Post your question in this forum. All devices were clean, as they are freshly created EBS volumes and I knew none of them were in use. this contact form

I assume that was what I was supposed to do - didn't see anything about superblocks options etc.I had the data on a different hard drive then created the array and Related 1Testing my raid array / is my mdadm raid working OK?1MDADM Raid 0 won't mount: one drive has bad superblock2Raid Issues Cannot Boot and Getting Superblock Errors3mdadm warning (system unbootable) What I would recommend is: Backup everything on that raid set Destroy the array and erase the md superblock from each device (man mdadm) Zero out those disks: dd if=/dev/zero of=/dev/sdX I don't know how the RAID for Windows works, but in that case it shouldn't be a problem on Linux side, at any rate. –Jonik Jan 28 '10 at 12:41

Wrong Fs Type, Bad Option, Bad Superblock On /dev/md0

Execute bash script from vim Hyper Derivative definition. asked 3 years ago viewed 11996 times active 2 years ago Linked 1 mdadm drive UUIDs chanaged, can they be changed back? AS A LAST UPDATE TO THE COMMUNITY, I used resize2fs to get my superblocks back in order and my drives mounted again! (resize2fs /dev/md0 & resize2fs /dev/md1 got my back up!)

I assume /dev/sdl is defect. mdadm: no recogniseable superblock on /dev/sda2 mdadm: /dev/sda2 has wrong uuid. When I do a mdadm --examine /dev/sdd everything looks fine. Mount Mdadm Array What commands can be used to control GUI buttons?

Adverb for "syntax" What is the total sum of the cardinalities of all subsets of a set? Mount /dev/md0 Can't Read Superblock The superblock is in the last 64kB-aligned 64kB of the device, so depending on the device size it may be anywhere from 64kB to 128kB before the end of the device. mdadm --assemble --scan -v: mdadm: looking for devices for /dev/md0 mdadm: no RAID superblock on /dev/sde mdadm: /dev/sde has wrong uuid. http://www.linuxquestions.org/questions/linux-software-2/mdadm-cannot-open-dev-md-0-no-such-file-or-directory-4175444956/ Offline #12 2011-10-30 21:59:09 maz Member Registered: 2006-05-05 Posts: 38 Re: [SOLVED] mdadm, raid6 and superblock missing I have identified the 6 drives now.

However, I wonder since if I previously had RAID on this disk if there is existing room for the superblock at the front of the device. Mdadm: Cannot Open /dev/md/0: No Such File Or Directory X-ray confirms Iam spineless! more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Even bytes get lonely for a little bit!

Mount /dev/md0 Can't Read Superblock

mdadm -A /dev/md0 mdadm: superblock on /dev/sdl doesn't match others - assembly aborted cat /proc/sys now doesn't show any drives?? That you were able to recreate the RAID set at all is extremely lucky, but that doesn't change the fundamental flaws in your deployment. Wrong Fs Type, Bad Option, Bad Superblock On /dev/md0 Reboot to a live CD. Mount Md0 Do you think this is stale info as well?

Is there any known limit for how many dice RPG players are comfortable adding up? weblink For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. I also walked through a guide that created a partition and marked them fd, but that also yielded the same result. How safe is 48V DC? Mdadm: Md Device /dev/md0 Does Not Appear To Be Active.

A different way to handle Microsoft Exchange emails mona is not in the sudoers file. Another thing I was considering trying is making a new file system but forcing it to write the superblock only. However, the first command spit out mdadm: no raid-devices specified. navigate here First glance, I thought it was an example and all commented out.

If the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck How To Mount /dev/md0 more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed I think I could do that with e2fsck -b 23887872 /dev/md[01] do you recommend giving this a shot?

For the time being I will have another level of redundancy (daily backup script to another hard drive) until I can feel confident that I will not have this problem again.

Take my RAID for example: [email protected]:/tmp/etc/udev# fdisk -l /dev/sda Disk /dev/sda: 640.1 GB, 640135028736 bytes 255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors Units = sectors of 1 * 512 asked 2 years ago viewed 27974 times active 1 year ago Related 4Unable to mount raid on my NAS, trying to rescue the data, how should I proceed?4mdadm - RAID5 array Do Morpheus and his crew kill potential Ones? Mdadm Mount Existing Array Cannot open '/dev/pg0'.

Using fdisk both sda and sdb still look correct though. mdadm: added /dev/sdb1 to /dev/md/0 as 1 mdadm: added /dev/sdc1 to /dev/md/0 as 2 mdadm: added /dev/sdd1 to /dev/md/0 as 3 mdadm: added /dev/sde1 to /dev/md/0 as 4 mdadm: added /dev/sdg1 but if I try to mount either of the arrays, I still get: [email protected]:~# mount /dev/md1 /mnt/data mount: wrong fs type, bad option, bad superblock on /dev/md1, missing codepage or helper http://scriptkeeper.net/cannot-open/cannot-open-mime-type-pdf.html I recall something about using e2fsck -b /dev/sdX and trying backup superblock sectors you could also take a look at TestDisk share|improve this answer answered Oct 19 '11 at 7:00

Sign of the times: Navajo blanket..made in ChinaHard work does not kill people but why risk it: Charlie MccarthyA man is not complete until he is married..then..he is finished.When ALL is Do you have any insight into why md0 is hanging around but not visible in proc/mdstat? When i run $ fsck -n /dev/md0 it says superblock invalid, please run $ e2fsck -b 8193 . mdadm: cannot open device /dev/sda: Device or resource busy mdadm: /dev/sda has wrong uuid.

Try dmsetup ls or dmsetup table to see what they are, maybe something LVM related? –frostschutz Aug 2 '14 at 18:25 @frostschutz I don't understand what you mean by Ubuntu Logo, Ubuntu and Canonical Canonical Ltd. Join Date May 2005 Location Bulgaria Beans 162 DistroUbuntu Development Release Re: mdadm: error opening /dev/md0 Ubuntu is user-friendly enough to newbies. Even bytes get lonely for a little bit!

Cheers, Peter Adv Reply January 26th, 2010 #4 Marzuk View Profile View Forum Posts Private Message First Cup of Ubuntu Join Date Jan 2010 Beans 2 DistroUbuntu 9.10 Karmic Koala Device Boot Start End Blocks Id System /dev/sda1 1 10 80293+ de Dell Utility /dev/sda2 * 11 106 768000 7 HPFS/NTFS Partition 2 does not end on cylinder boundary. /dev/sda3 106 If you can't mount a single drive from a raid 1 array it means something other then the raid array is wrong. You'll need to ensure that there is enough room for the superblock at the end of the device.

Ubuntu Ubuntu Insights Planet Ubuntu Activity Page Please read before SSO login Advanced Search Forum The Ubuntu Forum Community Ubuntu Specialised Support Ubuntu Servers, Cloud and Juju Server Platforms [ubuntu] mdadm: Does this mean that Im out of luck? Please visit this page to clear all LQ-related cookies. I'll try what the Wiki article suggests. –Jonik Jan 29 '10 at 8:17 add a comment| 3 Answers 3 active oldest votes up vote 5 down vote accepted Finally some progress!

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