[CentOS] 3TB usb drive won't mount

Mogens Kjaer mk at lemo.dk
Thu Mar 22 08:49:04 EDT 2012


On 03/22/2012 01:39 PM, Barry Brimer wrote:
> I wonder if it uses a GPT partition table or not.  I don't remember all
> the details, but for some reason I think you need a GPT partition table to
> handle partitions, filesystems, or something over 2 TB.

fdisk will tell him that.

With a GPT, fdisk will write something like:

# fdisk -l /dev/sda

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util 
fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sda: 6301.1 GB, 6301061767168 bytes
255 heads, 63 sectors/track, 766060 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

    Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1      267350  2147483647+  ee  GPT

So, parted should be used to look at the partitions.

Mogens

-- 
Mogens Kjaer, mk at lemo.dk
http://www.lemo.dk


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