also sprach Hal <selvone@ngi.it> [2006.12.26.2205 +0100]: > fsck.ext3 invalid argument while trying to open /dev/mdX The > superblock could not be read or does not describe a correct ext2 > filesystem > If the device is valid and it really contains an ext2 fs (and not swap or > ufs or something else), > then the superblock is corrupt, and you might try running e2fsck with an > alternate superblock: > e2fsck -b 8193 <device> > fsck failed.please repair it manually. > > I followed first suggestion (ctrl+D to go on) but the system could > just access to /boot mount point (/dev/md0)... It would help to see the contents of /proc/mdstat at this point, and also the output of mdadm -Es and mdadm -Asa yes Does it work if you put DEVICE partitions into your mdadm.conf file? > . mdrun (start the raid service) don't use mdrun, use /usr/share/mdadm/startall or mdadm directly. > ARRAY /dev/md1 level=raid1 num-devices=2 UUID=cb7c2f86:92c4fce4:65ba022f:e74122$ > devices=/dev/sda5,/dev/sdb5 > ARRAY /dev/md2 level=raid1 num-devices=2 UUID=4e0ccf9d:24a4558f:291b4a3a:dbfd6f$ > devices=/dev/sdb6 > ARRAY /dev/md3 level=raid1 num-devices=2 UUID=cd73e87c:0b15fe41:427f5dab:f6013a$ > devices=/dev/sda7,/dev/sdb7 > ARRAY /dev/md4 level=raid1 num-devices=2 UUID=6e716c4b:deb9c372:5404f35f:f9eb59$ > devices=/dev/sda8,/dev/sdb8 > ARRAY /dev/md0 level=raid1 num-devices=2 UUID=3a46ba90:59f0c3fc:7bbef7c8:bba4dc$ > devices=/dev/sda1,/dev/sdb1 > > the string ",/dev/sda6" misses in /dev/md2.... why ? o_O no idea, but it should not matter. in fact, you don't need devices=XYZ and i suggest you remove them; the UUID is all you need to identify array components. > # mdadm --misc --query /dev/md0 > /dev/md0: 1.86GiB raid1 2 devices, 0 spares. Use mdadm --detail for more detail > /dev/md0: No md super block found, not an md component. > Superblock ? How can I fix this ? [...] > # mdadm --misc --examine /dev/md0 > mdadm: No super block found on /dev/md0 (Expected magic a92b4efc, got 00000000) > Superblock error again.. --query and --examine are for components, like /dev/sda1, not the array. So there is no problem in the above, you're just asking the wrong question. > # mdadm --misc --query --detail /dev/md0 --detail is for the array. HTH, -- Please do not send copies of list mail to me; I read the list! .''`. martin f. krafft <madduck@debian.org> : :' : proud Debian developer, author, administrator, and user `. `'` http://people.debian.org/~madduck - http://debiansystem.info `- Debian - when you have better things to do than fixing systems save the plankton - eat a whale.
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