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Mdadm Remove Cannot Get Array Info

mdadm --examine --scan ARRAY /dev/md/0 metadata=1.2 UUID=cbb5f346:fedb78ad:d8f6cdb7:18c42e5a name=raidserver:0 spares=29 ARRAY /dev/md/0 metadata=1.2 UUID=cbb5f346:fedb78ad:d8f6cdb7:18c42e5a name=raidserver:0 The drives seem to be all recognized by linux: lsscsi [0:0:0:0] disk ATA WDC WD1600AAJS-0 58.0 /dev/sda The util fdisk doesn't support GPT. Advanced Search

Forum English Get Technical Help Here Install/Boot/Login How do I delete a RAID volume that was created with mdadm? The command su -c '.... >> mdadm.conf' should work. –Mei Oct 8 '13 at 18:32 add a comment| up vote 7 down vote I have found that I have to add have a peek at this web-site

DEVICE partitions # auto-create devices with Debian standard permissions CREATE owner=root group=disk mode=0660 auto=yes # automatically tag new arrays as belonging to the local system HOMEHOST # instruct the monitoring If the wrong superblock version is chosen, wrong data offset (internal default value which has changed over time in mdadm), chunk size (also value that has changed over time), then the Same result. probably your raid array is gone –rhasti Dec 22 '12 at 2:27 This doesn't make any sense. http://unix.stackexchange.com/questions/78804/how-to-mount-a-disk-from-destroyed-raid-system

UNIX is a registered trademark of The Open Group. up vote 11 down vote favorite 3 I have a horrible situation where I have to restore data from damaged raid system in a rescue Debian Linux. [email protected] ~ # mdadm -S /dev/md2 [email protected] ~ # mdadm --assemble /dev/md2 /dev/sda3 mdadm: /dev/md2 assembled from 1 drive - not enough to start the array. Results 1 to 5 of 5 Thread: How do I delete a RAID volume that was created with mdadm?

If you can get the raid to successfully assemble and recover with the git version, then it's fine to use your old mdadm version again for normal system operation. Is it a good idea to just execute mdadm --manage /dev/md2 --remove /dev/sda3 (would it even work as md2 is not seen by fdisk)? I changed one method signature and now have over 25,000 errors. Also tried "md=1,/dev/sda2,missing".

It's better to send an email to the linux-raid mailing list with detailed information (mdadm --examine from all component drives plus log entries from when the failure happened, including mdadm and xparse processor with multiple arguments 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 / This is temporary to let you execute commands and some applications without stopping your system. To remove a RAID device: Code: mdadm /dev/md? --fail detached --remove detached (Copied from the man page.) Reply With Quote « Previous Thread | Next Thread » Bookmarks Bookmarks Digg del.icio.us

Not sure why its saying 2 of the same drive. –Stephen F Aug 13 '14 at 2:26 if this raid is just for storage and not for the OS, Meaning is this a machine you can power down? Maybe you'll want to create a new configuration: sudo su -c "/usr/share/mdadm/mkconf > /etc/mdadm/mdadm.conf". Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the

After running a few commands a I found on google for mdadm, I am thoroughly confused...it seems my Array just disappeared? Make sure to read both before attempting anything. No spare drives. How to decline a postdoc interview if there is some possible future collaboration?

On Thu 22 Aug 2013 07:16:02 PM CDT, JibsMan wrote: I created a RAID volume with mdadm on a debian system with this command: Code: mdadm --create --verbose /dev/md0 --level-raid6 --raid-devices=4 Someone peeled an American flag sticker off of my truck. Alternating Fibonacci Wrong way on a bike lane? Other things I've tried: Code: # mdadm --query /dev/sdb /dev/sdb: is not an md array /dev/sdb: device 0 in 4 device unknown raid6 array.

Are you running these from an live cd / dvd running or from openSUSE or another running OS? one ARRAY-line for each md-device. Please consider posting a self-answer with the solution that ended up working for you (or accepting the existing answer if that helped) if you did, for the benefit of future visitors. http://usableflash.com/mdadm-remove/mdadm-cannot-find-dev-sda1-no-such-file-or-directory.php Browse other questions tagged linux ubuntu raid software-raid mdadm or ask your own question.

There are many other usages of mdadm particular for each type of RAID level, and I would recommend to use the manual page (man mdadm) or the help (mdadm —help) if Edit: My /etc/mdadm/mdadm.conf looks like this. My command in /etc/fstab for automatically mounting is: /dev/md0 /home/shared/BigDrive ext3 defaults,nobootwait,nofail 0 0 The important thing here is that you have "nobootwait" and "nofail".

Instead, I got the regular /dev/md127 (which is not active).

How to prove that authentication system works, and that customer uses the wrong password? In my case the new arrays were missing in this file, but if you have them listed this is probably not a fix to your problem. # definitions of existing MD Build me a brick wall! Then use grub-mkdevicemap -n to generate a new device map for Grub2 and then grub-install /dev/sdb.

Browse other questions tagged debian raid rescue data or ask your own question. Posting in the Forums implies acceptance of the Terms and Conditions. The solution seems to be to find an earlier version of mdadm to run with the creation command above (in this author's case, mdadm from Debian "squeeze" worked while mdadm from Still wasn't active on startup.

As with the removing you have to do this for EVERY partition. The file should also still be there five minutes later when we start messing with mdadm --create, which is the point. If this is your first visit, be sure to check out the FAQ. This cheat sheet will show the most common usages of mdadm to manage software raid arrays; it assumes you have a good understanding of software RAID and Linux in general, and

Browse other questions tagged partitioning hard-drive raid mdadm or ask your own question. Found this backup snapshot from yesterday.. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Please make sure you've preserved that mdadm --examine output before you give that confirmation, just in case you screw up.

So if you somehow screw up your array and can't remember how it was originally created, you can re-run the create command using various permutations until the data is readable. Nieuwer bericht Ouder bericht Startpagina Abonneren op: Reacties plaatsen (Atom) Subscribe to Global Blind Spot Berichten Atom Berichten Reacties Atom Reacties Volgers Labels 3dfsb (1) driver (1) humor (5) knowledge (6) How do I deal with my current employer not respecting my decision to leave? After running the above two commands (before the kernel parameters paragraph) to get the raid device going, "sudo mdadm -D /dev/md127" gives: /dev/md127: Version : 1.2 Creation Time : Wed Aug