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 -- 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
