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-   -   Can't mount mirrored array -- bad geometry (https://www.linuxquestions.org/questions/linux-software-2/can%27t-mount-mirrored-array-bad-geometry-4175465350/)

jbruyet 06-09-2013 03:34 PM

Can't mount mirrored array -- bad geometry
 
Hey all, I'm trying to mount a 1TB mirrored array using MDADM and not having any luck. I can fdisk partitions on the drives (type fd -- Linux raid auto), I can build the array using MDADM and I can put a file system on the array but when I try to mount it I get the following error message:

Code:

root@srvBackup:/home/jobee# mount /dev/md0 /mnt/raid
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

Running dmesg | tail gives me this explanation:

Code:

[100342.913214] EXT4-fs (md0): bad geometry: block count 488380160 exceeds size of device (244190100 blocks)
root@srvBackup:/home/jobee#

I've tried removing the superblocks, I've tried re-running MDADM, I've even used fdisk to remove and recreate partitions on the drives but no joy. Any ideas?

Thanks,

Joe B

thedaver 06-10-2013 01:11 PM

Pls post output of

'mdadm --detail /dev/md0'

and

'mdadm --detail --scan'


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