How to check disk size in sectors using parted / fdisk.

Solution Verified - Updated -


  • fdisk command shows different outputs in RHEL 6 and RHEL 7.
  • RHEL 6 shows Start as 1 in fdisk
  • RHEL 7 shows Start as 2048 in fdisk


  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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