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Apologies if this seems like a very similar question to others already on the site. I have searched for a few hours now for solutions, but nothing seems to be quite the same.

I recently (2 days ago) bought a new 4TB external HDD for data storage and have been trying to format it for linux (specifically Red Hat 5.9 and Ubuntu 12.04). I used the disk utility to format it to free space and then gparted to create a single ext4 primary partition. It loads fine on the Ubuntu system which I used to format the drive, however when connected to the Red Hat system it errors:

Cannot mount volume.

Unable to mount the volume 'jdru4706'.

mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or other error In some cases useful info is found in syslog - try dmesg | tail or so

Running dmesg | tail gives the following:

sdb: assuming drive cache: write through
SCSI device sdb: 976754646 4096-byte hdwr sectors (4000787 MB)
sdb: Write Protect is off
sdb: Mode Sense: 2b 00 10 08
sdb: assuming drive cache: write through
 sdb: sdb1
sd 16:0:0:0: Attached scsi disk sdb
sd 16:0:0:0: Attached scsi generic sg2 type 0
usb-storage: device scan complete
EXT4-fs (sdb1): bad geometry: block count 976754176 exceeds size of device (439883264 blocks)

I don't currently have any data on the drive so I can reformat if I need to. I don't understand what is causing this problem however. The only reason I wish to connect to the Red Hat system is to copy data files across for access on my laptop (the Ubuntu system).

Any help would be much appreciated.

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1 Answer 1

Try this. Just press Ctrl+Alt+T on your keyboard to open Terminal. When it opens, run the command(s) below:

sudo mount -t ext4 /dev/sdb1 /<device_name>

If that doesn't help, and the drive has no data yet, delete the partition, and recreate it. Hope that helps.

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