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Article Reference

Article ID: 9558
Last update: 11-21-06
Issue:
Why is the fdisk utility not allowing me to create a partition that is greater than 2TB in size?
Resolution:

Release Found:Red Hat Enterprise Linux 3 and Red Hat Enterprise Linux 4

Symptom:
fdisk unable to create partition greater than 2 TB

Solution:

The fdisk utility can only create partitions that does not exceed 95,000 cylinders or 2TB size. To get around the limitation, the partition needs to be created using parted with GPT as its disklabel.

GUID Partition Table (GPT) was originally introduced for iA64 systems. Currently parted is the only partitioning tool under Linux that can handle > 2TB partition and GPT disklabel.

The example below demonstates how to create a 3TB partition:

  1. Run parted: 
    parted /dev/sdj
  2. Once at the "parted" prompt, change the disklabel to gpt: 
    mklabel gpt
  3. Create the 3 TB partition: 
    mkpart primary 0 3001G
  4. Save the changes and quit: 
    quit
  5. Afterwards, create the filesystem: 
    mkfs.ext3 /dev/sdj1


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