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Conversion / partition from ext2 to ext3



Hi,
 
I have installed Red Hat Linux 7.3 with ext2 file system and I have multiple partition. I converted them to ext3 using following command.
 
tune2fs -j -i 0 /dev/hdaX
 
And I modified /etc/fstab as below.
 
LABEL=/                 /                       ext3    defaults        1 1
LABEL=/boot             /boot                   ext3    defaults        1 2
none                    /dev/pts                devpts  gid=5,mode=620  0 0
LABEL=/home             /home                   ext3    defaults        1 2
none                    /proc                   proc    defaults        0 0
none                    /dev/shm                tmpfs   defaults        0 0
LABEL=/var              /var                    ext3    defaults        1 2
/dev/hda5               swap                    swap    defaults        0 0
 
After I rebooted  the system, I found / partition still was mounted as ext2.
 
[root ProEIM root]# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext2 rw 0 0                      # not mounted as ext3
/proc /proc proc rw 0 0
usbdevfs /proc/bus/usb usbdevfs rw 0 0
/dev/hda1 /boot ext3 rw 0 0
none /dev/pts devpts rw 0 0
/dev/hda6 /home ext3 rw 0 0
none /dev/shm tmpfs rw 0 0
/dev/hda2 /var ext3 rw 0 0
[root ProEIM root]#
 
But it is ext3 when I use df -T.
 
[root ProEIM root]# df -T
Filesystem    Type   1k-blocks      Used Available Use% Mounted on
/dev/hda3     ext3     5036316    335784   4444700   8% /                   
/dev/hda1     ext3      101089      8724     87146  10% /boot
/dev/hda6     ext3    66263252    466552  62430684   1% /home
none         tmpfs      127416         0    127416   0% /dev/shm
/dev/hda2     ext3     5036316    101656   4678828   3% /var
[root ProEIM root]#
 
How can I convert / partition from ext2 to ext3? Please help me.
 
Regards,
Zhu
 

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