Sorry, could not find valid secondary superblock Exiting now. :'( any help? 2011/3/18 Roberto Spadim <roberto@xxxxxxxxxxxxx>: > now i have a broken filesystem right? i think old and new metadata was > not the same > i don't have partitions over /dev/md0, just xfs filesystem > > 2011/3/18 Roberto Spadim <roberto@xxxxxxxxxxxxx>: >> :( any other idea? what could i do? >> >> 2011/3/18 Roberto Spadim <roberto@xxxxxxxxxxxxx>: >>> # xfs_repair -n /dev/md0 >>> Phase 1 - find and verify superblock... >>> bad primary superblock - bad magic number !!! >>> >>> attempting to find secondary superblock... >>> ........................... >>> >>> 2011/3/18 Roberto Spadim <roberto@xxxxxxxxxxxxx>: >>>> i see some files contents with >>>> cat /dev/md0 | less >>>> >>>> 2011/3/18 Roberto Spadim <roberto@xxxxxxxxxxxxx>: >>>>> only one :( the other was broken :( >>>>> it's xfs filesystem >>>>> >>>>> mdadm --create /dev/md0 /dev/sdb >>>>> mkfs.xfs /dev/md0 >>>>> mount /dev/md0 /home/ >>>>> >>>>> but since i made mdadm --create twice, it can't mount :( >>>>> >>>>> # mount /dev/md0 /tmp2 -t xfs >>>>> mount: wrong fs type, bad option, bad superblock on /dev/md0, >>>>> missing codepage or helper program, or other error >>>>> In some cases useful info is found in syslog - try >>>>> dmesg | tail or so >>>>> >>>>> >>>>> >>>>> 2011/3/18 Mathias Burén <mathias.buren@xxxxxxxxx>: >>>>>> On 18 March 2011 13:43, Roberto Spadim <roberto@xxxxxxxxxxxxx> wrote: >>>>>>> hi guys i had a raid1 array, and i made shit, could i undo it? it have >>>>>>> filesystem with files :( >>>>>>> >>>>>>> # mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sdb missing >>>>>>> mdadm: /dev/sdb appears to be part of a raid array: >>>>>>> level=raid1 devices=2 ctime=Wed Mar 16 19:01:50 2011 >>>>>>> mdadm: Note: this array has metadata at the start and >>>>>>> may not be suitable as a boot device. If you plan to >>>>>>> store '/boot' on this device please ensure that >>>>>>> your boot-loader understands md/v1.x metadata, or use >>>>>>> --metadata=0.90 >>>>>>> Continue creating array? >>>>>>> Continue creating array? (y/n) y >>>>>>> mdadm: Defaulting to version 1.2 metadata >>>>>>> mdadm: array /dev/md0 started. >>>>>>> -- >>>>>>> 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 >>>>>>> >>>>>> >>>>>> You had a RAID1 array? Of which devices did it consists of? Looks like >>>>>> you only destroyed one. >>>>>> >>>>>> // M >>>>>> -- >>>>>> 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 >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Roberto Spadim >>>>> Spadim Technology / SPAEmpresarial >>>>> >>>> >>>> >>>> >>>> -- >>>> Roberto Spadim >>>> Spadim Technology / SPAEmpresarial >>>> >>> >>> >>> >>> -- >>> Roberto Spadim >>> Spadim Technology / SPAEmpresarial >>> >> >> >> >> -- >> Roberto Spadim >> Spadim Technology / SPAEmpresarial >> > > > > -- > Roberto Spadim > Spadim Technology / SPAEmpresarial > -- Roberto Spadim Spadim Technology / SPAEmpresarial -- 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