First I add sdb sdc sde fdisk to sdb1 sdc1 sdd1 sde1
then
# mdadm --create --level=5 --raid-devices=4 /dev/sd{b,c,d,e}1
#mkdir /mnt/raid
#mkfs.ext4 /dev/md0
#vi /etc/fstab
add /dev/md0 /mnt/raid ext4 defaults 1 2
after reboot
fsck.ext4: Invalid argument while trying to open 0
/dev/md0:
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
filesystem (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
* Fsck could not correct all errors, manual repair needed
[ !! ]
Give root password for maintenance
(or type Control-D for normal startup):
I try e2fsck .however it dostn't work
How can i fix the problem ï
thank you
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