I have the same problem. I grow a RAID-5 from 9 to 14 discs. Then I
wished to check up and expand a file system.
# fsck.ext4 /dev/md0
e2fsck 1.41.9 (22-Aug-2009)
Error determining size of the physical device: File too large
# resize2fs /dev/md0
resize2fs 1.41.9 (22-Aug-2009)
resize2fs: File too large while trying to determine filesystem size
The additional information:
Ubuntu Server 9.10
# uname -a
Linux server4 2.6.31-20-server #57-Ubuntu SMP Mon Feb 8 09:59:59 UTC 2010
x86_64 GNU/Linux
# cat /proc/mdstat
md0 : active raid5 sdn[13] sdc[10] sdk[6] sda[9] sdj[7] sdi[0] sdb[11] sdg[3]
sdd[8] sdh[1] sdm[12] sdf[4] sdl[5] sde[2]
19046800448 blocks level 5, 64k chunk, algorithm 2 [14/14]
[UUUUUUUUUUUUUU]
# blkid /dev/md0
/dev/md0: UUID="a90d6711-627e-4d01-8db7-3f2fa16de2f9" TYPE="ext4"
HELP ME!
After reboot, /dev/md0 cannot mount !
# mount -t ext4 /dev/md0 /mnt/md0/
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
# dmesg | tail
[ 1058.903277] EXT4-fs (md0): ext4_check_descriptors: Checksum for group 12173
failed (14802!=36012)
[ 1058.903295] EXT4-fs (md0): group descriptors corrupted!
# fsck.ext4 /dev/md0
e2fsck 1.41.9 (22-Aug-2009)
Error determining size of the physical device: File too largee: File too large
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fsck.ext4 - Error determining size of the physical device: File too large
https://bugs.launchpad.net/bugs/521648
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