(Repair filesystem) 7cat /etc/raidtab
raiddev               /dev/md1
raid-level            1
nr-raid-disks               4
nr-spare-disks        0
persistent-superblock 1
chunk-size      64
device  /dev/hdk1
raid-disk       3
device  /dev/hde1
raid-disk       0
device  /dev/hdg1
raid-disk       1
device  /dev/hdi1
raid-disk       2

raiddev               /dev/md3
raid-level            1
nr-raid-disks               4
nr-spare-disks        0
persistent-superblock 1
chunk-size      64
device  /dev/hdk3
raid-disk       3
device  /dev/hde3
raid-disk       0
device  /dev/hdg3
raid-disk       1
device  /dev/hdi3
raid-disk       2

raiddev               /dev/md4
raid-level              5
nr-raid-disks               4
nr-spare-disks        0
persistent-superblock 1
chunk-size              64
parity-algorithm        left-symmetric
device  /dev/hdk4
raid-disk       3
device  /dev/hde4
raid-disk       0
device  /dev/hdg4
raid-disk       1
device  /dev/hdi4
raid-disk       2

raiddev               /dev/md6
raid-level            1
nr-raid-disks               4
nr-spare-disks        0
persistent-superblock 1
chunk-size      64
device  /dev/hdk6
raid-disk       3
device  /dev/hde6
raid-disk       0
device  /dev/hdg6
raid-disk       1
device  /dev/hdi6
raid-disk       2