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Im trying to upgrade some Linux systems to RHEL 6 but i cannot mount the home directories. Im using EXT4 for the RHEL 6 system and EXT3 on the RHEL 5 server im mounting the directory from. I cant just use the mount command, i have to specify -t ext3 and when i do it says "Special device (server name and mount point) does not exist. It works just fine from all the RHEL 5 machines, just not from this new RHEL 6 machine.

I just rebuild the machine and used EXT3 as the FS type this time just to test, same results, it wont mount.

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You need to clarify if the file system is remote or not. If it's a directly attached device then you mount with ext3/ext4/reiserfs/whatever, if it's somewhere else on the network then you mount is using the type of network file system it's exported with, eg: smb, cifs, nfs. – James Yale Dec 9 '10 at 16:26
I tried -t NFS it says wrong FS type – Tom B Dec 10 '10 at 15:14
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you need to convert that ext3 to ext4

# umount /dev/sdbx

# tune2fs -O extents,uninit_bg,dir_index /dev/sdbx

# fsck -pf /dev/sdbx

# mount /dev/sdbx

#vi /etc/fstab

#reboot

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Are you serious? Everything i read says it is backward compatible en.wikipedia.org/wiki/Ext4 – Tom B Dec 10 '10 at 15:16
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It was a configuration error on my part why it wouldnt mount, but ext4 is backward compatible

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Can you tell us what the configuration error was please ? – Iain♦ Jun 19 '11 at 9:08
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